VS.NET & client script viewer?

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  - 1
    - FTP Dir List with .NET Framework 1.1 Does anyone have knowledge of code that will get the directory list off an FTP site? There doesn't seem to be support in .NET Framework 1.1. I found code at the MSDN Longhorn help site but that code didn't work. I think it was for a newer version of .NET not yet released. Any insight would be greatly appreciated. Thanx, Poe Tag: VS.NET & client script viewer? Tag: 91652
  - 2
    - FRMWK 2 BETA VERSION PROBLEM Hello, I have downloaded and installed the fmwk 2 beta version V2.0.40607 from the MS site. I try to install the SQL SERVER 2005 Express manager, but it needs the version 2.0.40903. Does someone have an idea where I can find that version ? Thanks -- Alain CAVROT DataBases on the Web & on the LAN Tag: VS.NET & client script viewer? Tag: 91650
  - 3
    - Microsoft .NET Framework 1.1 I am trying to install the Microsoft .NET Framework 1.1 and get a debug error... the long and short of it is this when I click cancel.... cordbg.exe..... error... what is up with this... From http://www.developmentnow.com/g/6_0_0_0_0_0/dotnet_framework.htm Posted via DevelopmentNow Groups www.developmentnow.com/g www.developmentnow.com Tag: VS.NET & client script viewer? Tag: 91646
  - 4
    - how to Drag & Drop Files? I have a picture box control with an image loaded. I would like to be able drag the image from the picture box into an email or the desktop. Does anyone know how to do this? Using the DoDragDrop with Outlook, i have been able to drag the filename into an email. Is there any way to drag the picture instead? Tag: VS.NET & client script viewer? Tag: 91645
  - 5
    - .net 2.0 beta 2 where is download for this version ? w/regards Pawel Tag: VS.NET & client script viewer? Tag: 91635
  - 6
    - native .NET equivalent of Microsoft Script Control ? Is there a native .NET equivalent of the Microsoft Script Control, particularly the Eval method? See here: http://www.devx.com/vb2themax/Tip/18773 It works great - it even compares string expressions. I just would prefer a native .NET version over COM if at all possible. Sample code: Dim scriptControl1 As New MSScriptControl.ScriptControl Dim sExp As String scriptControl1.Language = "VBScript" Textbox1.Text = "" sExp = "12 + 3 * 10" Textbox1.Text += sExp & " = " & scriptControl1.Eval(sExp) & vbCrLf sExp = "(`abba` < `bagel`)" sExp = Replace(sExp, "`", Chr(34)) Textbox1.Text += sExp & " = " & scriptControl1.Eval(sExp) & vbCrLf sExp = "(`red` < `bagel`)" sExp = Replace(sExp, "`", Chr(34)) Textbox1.Text += sExp & " = " & scriptControl1.Eval(sExp) & vbCrLf sExp = "((1*5)*5)" sExp = Replace(sExp, "`", Chr(34)) Textbox1.Text += sExp & " = " & scriptControl1.Eval(sExp) & vbCrLf sExp = "( (`abba` < `bagel`) and true) or ( ((1*5)*5) = 25 ) " sExp = Replace(sExp, "`", Chr(34)) Textbox1.Text += sExp & " = " & scriptControl1.Eval(sExp) & vbCrLf Tag: VS.NET & client script viewer? Tag: 91630
  - 7
    - Mysteries of a font in the PropertyGrid... I would like to know by what mechanism a font displayed in a PropertyGrid, shows children (like Bold) that correspond to Properties that only have a get, no set. Is there a special class in the framework that gives the PropertyGrid the list of rows to display for the font, and when a new value is entered by the user, the way to modify the underlying font (since a bold attribute is assigned to the font inside a FontStyle) ? Thank you for your help. Herve Tag: VS.NET & client script viewer? Tag: 91629
  - 8
    - "Com object with CLSID {...} is either not valid or not registered." Hello. I want to use CAPICOM in my application, but a System.Runtime.InteroptServices.COMException is thrown, with an error message as in the subject. How do i fix this? How do i register the dll (capicom.dll) so i can use it? Thanks, Ivan Zuzak Tag: VS.NET & client script viewer? Tag: 91627
  - 9
    - Want to deserialize a property to *one* XmlElement I have an object deserializing from an XML stream, and I want to use behavior similar to that you get by tagging a public class member with a [XmlAnyElement] attribute. But instead of deserializing any number of elements into XmlElement[], I want to deserialize into a *single* public member XmlElement. Somebody know how to do this? Simply making a member and mapping it via an attribute like below doesn't seem to be working. [XmlElement("tagname")] public XmlElement myMember; Or perhaps the above should work and I just have something else failing? TIA, -- kov Tag: VS.NET & client script viewer? Tag: 91626
  - 10
    - How to auto-convert types? Well, I'm programming in vb.net and I'm developing a custom class (named XmlEl) that inherits from the XmlElement class. It has a New routine that receives an xmlelement and constructs the XmlEl instance. But in certain occasions I need the machine to auto-convert an xmlelement to an xmlel, rather than having to type all the time New XmlEl(XmlElement). As I've noticed the CType function exists for that cause. For example, to convert an xmlnode to a xmlelement, one could use Ctype(XmlNode, XmlElement). That's how I want to use my class: CType(XmlElelement, XmlEl). So, how can I achieve it? I also noticed in the SDK the class TypeConverter but I just don't know how to use/apply it on my class. Any ideas or tips?? Tag: VS.NET & client script viewer? Tag: 91623
  - 11
    - How to auto-convert types? Well, I'm programming in vb.net and I'm developing a custom class (named XmlEl) that inherits from the XmlElement class. It has a New routine that receives an xmlelement and constructs the XmlEl instance. But in certain occasions I need the machine to auto-convert an xmlelement to an xmlel, rather than having to type all the time New XmlEl(XmlElement). As I've noticed the CType function exists for that cause. For example, to convert an xmlnode to a xmlelement, one could use Ctype(XmlNode, XmlElement). That's how I want to use my class: CType(XmlElelement, XmlEl). So, how can I achieve it? I also noticed in the SDK the class TypeConverter but I just don't know how to use/apply it on my class. Any ideas or tips?? Tag: VS.NET & client script viewer? Tag: 91622
  - 12
    - Instant Messaging - Chat Program Hi, I remember seeing a simple chat program created with .Net somewhere in www.microsoft.com about 2 years ago . Can someone point me in the right direction? Thanks alot. Tag: VS.NET & client script viewer? Tag: 91610
  - 13
    - Assembly resolver, side by side, versioning... I have read that you can specify only the major/minor numbers (plus token and culture) to reference a DLL installed in the GAC, and that the resolver will "upselect" to the dll with the latest build and revision number. Is this true? However, when I add references in the compilation section of the web.config of an ASP.NET app, it can not find the DLL in the GAC unless I give it the build and revision number. I would rather not do this and just reference the major and minor for configuration management reasons. What is up here? Is this becausee the compiler needs the fully qualified path? Thanks. -- Patrick Tag: VS.NET & client script viewer? Tag: 91601
  - 14
    - TcpClient close() method socket leak TcpClient close() method socket leak when i use TcpClient to open a connection, send data and close the TcpClient with myTcpClientInstance.Close(); it takes 60 seconds for the actual socket on the client machine to close per my network app the computer fills up w/ thousands of these [System Process]:0 TCP foobox:8888 localhost:2188 TIME_WAIT [System Process]:0 TCP foobox:8888 localhost:2189 TIME_WAIT [System Process]:0 TCP foobox:8888 localhost:2190 TIME_WAIT [System Process]:0 TCP foobox:8888 localhost:2191 TIME_WAIT [System Process]:0 TCP foobox:8888 localhost:2192 TIME_WAIT [System Process]:0 TCP foobox:8888 localhost:2193 TIME_WAIT until the "Only one usage of each socket address" error occures. How to work around this? I need to open connect, send data, and close it. i can not share connections in my case i have to open, send and close and have the close truely close. and i have to do more then 3k of these in 60 seconds. I know this is possible because I have a c version of the client that uses c sockets and it works fine and does not fill with thousands of: [System Process]:0 TCP foobox:8888 localhost:2188 TIME_WAIT Is this a limitation of TcpClient ? or is there a way to truely close a TcpClient imediatly? i tried setting linger option false, no delay true, timeout 0 etc. still no progress the client sockets all get used up w/ thousands of [System Process]:0 TCP foobox:8888 localhost:2188 TIME_WAIT [System Process]:0 TCP foobox:8888 localhost:2189 TIME_WAIT [System Process]:0 TCP foobox:8888 localhost:2190 TIME_WAIT until the "Only one usage of each socket address" error occures. here is what my client code looks like: TcpClient myclient; myclient = new TcpClient(); LingerOption lingerOption = new LingerOption (false, 0); myclient.LingerState = lingerOption; myclient.NoDelay = true; myclient.ReceiveTimeout = 0; myclient.Connect("foobox", 8888); NetworkStream networkStream ; networkStream = myclient.GetStream(); StreamWriter streamWriter ; streamWriter = new StreamWriter(networkStream); string strData = ""; strData += "helloworld\0"; streamWriter.WriteLine(strData); streamWriter.Flush(); streamWriter.Close() ; networkStream.Close(); myclient.Close(); something missing? should i do more then close? i tried shutdown too.. no progress here is the dummy server code if it matters: public static void Main() { TcpListener tcpListener = new TcpListener(8082); tcpListener.Start(); Console.WriteLine("Server Started") ; while(true) { Socket socketForClient = tcpListener.AcceptSocket(); try { if(socketForClient.Connected) { Console.WriteLine("Client connected"); NetworkStream networkStream = new NetworkStream(socketForClient); StreamReader streamReader = new StreamReader(networkStream); string line = streamReader.ReadLine(); streamReader.Close(); Console.WriteLine("Read:" +line); } socketForClient.Shutdown(System.Net.Sockets.SocketShutdown.Both); socketForClient.Close(); Console.WriteLine("Client disconnected"); GC.Collect(); Console.WriteLine("Garbage Collected"); } catch(Exception e) { Console.WriteLine(e.ToString()) ; } } } Tag: VS.NET & client script viewer? Tag: 91597
  - 15
    - some questions from a beginner Hi there, I have some varient questions, and sorry in advance for my novicity.. A- I once had a situation where I had to use an integer type as key in a hashtable. I knew that would involve boxing. The software engineer at my office adviced me to solve this by using (int.ToString()) caliming that would eliminate the boxing under the hood. Is that true? B- I read once about generics coming in the next .Net version. Are they going to be optimized for value-typed collections as well? C- If i have 2 applications referencing the same dll. How can I prevent the dll from being reloaded for each application? Can it be reusable from multiple applications? Can I control this usability behavior for each application? Please I need detailed explanations, if there are articles out there that would be great. I already read about domain neutral assemblies but can't get it understood. D- What about static variables, if I had the same assembly loaded for both applications? Can I control that behavior, too? I hope I made myself clear... Tag: VS.NET & client script viewer? Tag: 91594
  - 16
    - selectedindex changed event & oracledatareader problem Hi, I have a dropdown list (ddljurisdiction) that when the selectedindex changed event is fired fills a oracledatareader that fills other dropdowns.. this works fine on the first event.. however on the form if the user selects another value from ddljurisdiction, the dropdowns that are filled the results have doubled, another click and the results triple.. I was thinking I should try and databind the dropdowns but I dont really understand this current behaviour.. if anyone has ideas to fix here is my code: Private Sub ddljurisdiction_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ddljurisdiction.SelectedIndexChanged If Me.ddljurisdiction.SelectedItem.Text = "Provincial" Then Me.ddlProvinces.Visible = True Else Me.ddlProvinces.Visible = False Me.ddlrate_type.Visible = False End If Me.ddlVariations.Visible = True Me.ddlrate_type.Visible = True Me.btnAddRecord.Visible = True Dim Conn As New OracleConnection (ConfigurationSettings.AppSettings("connectionstring")) Conn.Open () ' Create Command Object Dim cmd As OracleCommand = New OracleCommand ("mwadmin_pkg.GetReadOnlyData",Conn) 'Stored Procedure cmd.CommandType = CommandType.StoredProcedure 'Create Parameter Objects cmd.Parameters.Add ("province_cursor", OracleDBType.RefCursor) cmd.Parameters.Add ("variation_cursor", OracleDBType.RefCursor) cmd.Parameters.Add ("rate_type_cursor", OracleDBType.RefCursor) cmd.Parameters.Add ("minimum_wage_cursor", OracleDBType.RefCursor) cmd.Parameters(0).Direction = ParameterDirection.Output cmd.Parameters(1).Direction = ParameterDirection.Output cmd.Parameters(2).Direction = ParameterDirection.Output cmd.Parameters(3).Direction = ParameterDirection.Output Dim int As Integer int = cmd.ExecuteNonQuery() Dim rdr1 As OracleDataReader Dim rdr2 As OracleDataReader Dim rdr3 As OracleDataReader Try ' use the 3 REF CURSORs at the same time rdr1 = (CType(cmd.Parameters(0).Value,OracleRefCursor)).GetDataReader() While rdr1.Read() Dim prov_list As ListItem = New ListItem prov_list.Text = rdr1("ENGLISH_NAME") prov_list.Value = rdr1("province_id").ToString ddlProvinces.Items.Add(prov_list) End While rdr1.Close () rdr1.Dispose () rdr2 = (CType(cmd.Parameters(1).Value,OracleRefCursor)).GetDataReader() While rdr2.Read() Dim var_list As ListItem = New ListItem var_list.Text = rdr2("ENGLISH_TEXT") var_list.Value = rdr2("MINIMUM_WAGE_VARIATION_ID").ToString ddlVariations.Items.Add(var_list) End While rdr2.Close() rdr2.Dispose() rdr3 = (CType(cmd.Parameters(2).Value,OracleRefCursor)).GetDataReader() While rdr3.Read() Dim rate_list As ListItem = New ListItem rate_list.Text = rdr3("ENGLISH_NAME") rate_list.Value = rdr3("RATE_TYPE_ID").ToString ddlrate_type.Items.Add(rate_list) End While Catch ex As Exception Response.Write (ex) Finally rdr1.Close() rdr2.Close() rdr3.Close() conn.Close () conn.Dispose() End Try End Sub tia Dave Tag: VS.NET & client script viewer? Tag: 91582
  - 17
    - MailMessage seems to break SMTP protocol Hi, I have a .net (1.1) app that uses the MailMessage class to send email. I have it connecting to the microsoft IIS SMTP Server on the local machine which then actually sends the mail. The problem is that when I send email to certain domains I get an error reported in the SMTP log "see http://pobox.com/~djb/docs/smtplf.html". this takes you to a web page talking about how you tried to send an email that breaks the SMTP protocol by having LF without CR. As you would expect, the documentation for the MailMessage class doesn't mention what comprises a valid email body. However, presumably it would either reject the text I have passed in or process it appropriately. Any ideas what else could be going wrong? TIA Andy Tag: VS.NET & client script viewer? Tag: 91581
  - 18
    - Export and Import certificates with private keys Hello. Sorry for crossposting, but i didn't have a better idea as to where to post the question. I'm using certificates to sign and encrypt SOAP messages, using WSE in .Net. I want to do the following: 1) Generate a certificate to the system store. 2) Export the certificate from 1) to a file with only the public key, and then import the file as a certificate into the system store, but on another computer. 3) Export the certificate from 1) to a file/files, with the public AND private key, and import the file/files as a certificate into the system store, but on another computer. I can do 1) with makecert, like this: makecert -pe -n "CN=myName" -ss my The certmgr utility (GUI) confirms that a certificate has been created, and that a private key exists and can be accessed for this certificate. Now, for 2) i do this: certmgr -put -c -n myName -s my myName.cer //export to file certmgr -add -c myName.cer -sm The certmgr utility (GUI) confirms that a certificate has been added to the system store, and that a private key does not exist for this certificate. But, i'm stuck with 3). I tried a few things, but nothing. ;(. Here are a few things i tried: a)Certmgr utility (GUI) allows me to export a certificate with a private key attached to a .pfx file, and then import it back into a store. But this can only be dont in the GUI mode of the certmgr utility. I need to automatize this proces, and make it transparent to the user. The user only has to enter the password for protecting the file which is being exported, and again when it is imported. This is what i wish to achieve. b)The makecert utility has options to generate a .pvk file with the private key. I'm very confused by this. When i generate a private key to a file, the private key is not associated with the certificate in the store. Why is that? How do i tell the WSE (or whatever is in charge for this) that a private key exists, so i can use it? And, when i try to generate a new certificate using an existing private key .pvk file - the same thing happens - the certificate "can't see" the private key. Any other solution to my problem is ok, so that i can move the certificate with the private key (or the key pair) from one computer to another (and rebuild the certificate). Any ideas? Also, why can't i add certificates to a X509CertificateStore object? I create a X509CertificateStore object, specifying the CurentUser:Personal store, get the X509CertificateCollection (using the .Certificates property) and then add a X509Certificate (loaded from a file) - but nothing happens. The X509CertificateCollection of the X509CertificateStore object is the same as before calling the Add() method. Also, when i load a certificate (created with the -pe opetion set, using the makecert utility) from the system store to a X509Certificate object, i cant access the private parameters of the .Key property of the X509Certificate object. An exception is thrown saying that exporting private parameters is not supported. The private key is there, but i cant access it. Thanks in advance, Ivan Zuzak Tag: VS.NET & client script viewer? Tag: 91579
  - 19
    - Remove an element while enumerating through a collection If I am enumerating through a collection, will removing the entry which is my current one destroy my ability to keep enumerating the remaining elements successfully. In my case the collection is a hybrid dictionary and while I am enumerating the elements I want to remove the current one depending on its value. Of course I know the technique of keeping a list of keys in a separate array, to remove the appropriate ones after my enumeration has finished, but I would like to know if this is necessary with .NET collections or if I can remove while I am enumerating instead.. Tag: VS.NET & client script viewer? Tag: 91575
  - 20
    - How to get the fully qualified machine name? Is there any way to get the fully qualified machine name? The System.Net.Dns.GetHostByAddress method used to find the machine name sometimes returns NetBIOS names and sometimes returns fully qualified names. This depends on the machine. In an attempt to always try to get a fully qualified machine name, I have passed a machine name obtained from either System.Net.Dns.GetHostByAddress or System.Environment.MachineName (which might be a NetBIOS name or might be a fully qualified name) and then pass that to System.Dns.Resolve(). This gives me a System.Net.IPHostEntry of which I can access its HostName property. If I start out with a NetBIOS name (which is all I have in some cases from the other calls), sometimes I can get a fully qualified name back from this, but sometimes I am still left with the NetBIOS name. So, the bottom line is that there does not seem to be a sure fire way to get the fully qualified name, does it? Klim Zavalo. Tag: VS.NET & client script viewer? Tag: 91561
  - 21
    - Error while debugging: "Cannot find port". Hi everyone! I got a strange problem on a machine yesterday. Well all of my colleagues and me (there are 5 of us) got the problem at the same time. The exact error message is: Microsoft Development Environment Error while trying to run project. Unable to start debugging. Cannot find port. Check the remote machine name. It occurs when trying to debug a project. To repeat the problem simply create a new C# project and hit F5. Then BAM! The error message pops up. We get the same error when trying to debug a Pocket PC device as well. The VS.Net version we use is 7.1.3800 I haven't found any clues on Google groups so far. Please help us. Sincerely Johan Dahlin johan_dahlin@hotmail.com Tag: VS.NET & client script viewer? Tag: 91558
  - 22
    - Custom Attributes on Controls This is a multi-part message in MIME format. ------=_NextPart_000_000A_01C51012.902F4580 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi, Is it possible to use custom attributes on controls? For example, If I have the following attribute defined <AttributeUsage(AttributeTargets.All)> Public Class MyAttribute : = Inherits Attribute Public Message As String =20 Sub New(ByVal msg As String) Message =3D msg End Sub End Class I can "tag" a class with it: <MyAttribute("Hello")> Public Class MyPage = : Inherits BasePage And then in the debugger at run time I can see it using = Instance.GetType().GetCustomAttributes(true). Howevr I can not see the = attribute if i "tag" a control with it, such as; <MyAttribute("hello")> = Protected WithEvents SectionHeader As = XYZ.SalesApp.Controls.WebControls.TitleBar, I can not see the attribute. Is there a reason for this, or a way to work around it? Thanks ------=_NextPart_000_000A_01C51012.902F4580 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=3DContent-Type content=3D"text/html; = charset=3Diso-8859-1"> <META content=3D"MSHTML 6.00.2900.2523" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=3D#ffffff background=3D""> <DIV><FONT face=3DArial size=3D2>Hi,<BR><BR>Is it possible to use custom = attributes=20 on controls?  For example,<BR><BR>If I have the following attribute = defined<BR><BR><AttributeUsage(AttributeTargets.All)> Public Class = MyAttribute : Inherits Attribute<BR>    Public Message As = String<BR>    </FONT></DIV> <DIV><FONT face=3DArial size=3D2>    Sub New(ByVal msg As = String)<BR>        Message =3D=20 msg<BR>    End Sub<BR>End Class</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>I can "tag" a class with it: =20 <MyAttribute("Hello")> Public Class MyPage : Inherits=20 BasePage</FONT></DIV> <DIV><FONT face=3DArial size=3D2>And then in the debugger at run time I = can see it=20 using Instance.GetType().GetCustomAttributes(true).  Howevr I can = not see=20 the attribute if i "tag" a control with it, such as; =20 <MyAttribute("hello")> Protected WithEvents SectionHeader As=20 XYZ.SalesApp.Controls.WebControls.TitleBar, I can not see the=20 attribute.</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>Is there a reason for this, or a way to = work around=20 it?</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>Thanks</FONT></DIV></BODY></HTML> ------=_NextPart_000_000A_01C51012.902F4580-- Tag: VS.NET & client script viewer? Tag: 91556
  - 23
    - Puzzled about the versions and service packs Hello, I am somewhat puzzled now about the .NET framework installation stuff: There apparently are two minor versions of the framework: ver 1.0, and ver 1.1. There is a version 2.0 in beta stage. Ig I am setting up the .NET framework on a new computer, should I install both ver 1.0 and ver 1.1? Do they co-exist without comflicts, of in other words, are they sort of two technically independent frameworks. Or, should I better install only ver 1.1 (it's kind of "newer and better" version of the framework?), and install the version 1.0 *only* if some .NET software I need to run is designed to run only in ver 1.0? Then, there are the service packs. They claim to be cumulative. So, if the two framework versions are technically two different softwares, it makes sense to think that if I have only version 1.1 installed, I need to look only for service packs designed for version 1.1, and care not for those of version 1.0? As a developer, should I prefer the version 1.1 and compile my code with SDK 1.1? Why / why not? Sorry, if these questions appear to be basic, but the MS home page fails to crea this mess up. I am sort of surprised that on the official .NET framework homepage www.microsoft.com/net , in the section "What is .NET?", it makes you feel that it's a technology for designing web services. Am I the only person who assumes that the .NET framework is excellent for writing console applications, windows applications, web applications, etc. ? Why does the official homepage performs such a disservice and misinformation about the framework? Regards, Pavils Tag: VS.NET & client script viewer? Tag: 91553
  - 24
    - Wrong uri encoding Hello, I have a simple but strange problem. I'm creating an Uri with the following code: Uri myUri =3D new Uri(url); the url string is: http://www.dummy.com/test/Bestelll=F6sung.exe_2_1_502_911.update" and the Uri object encodes this to: http://www.dummy.com/test/Bestelll%C3%B6sung.exe_2_1_502_911.update instead of http://www.dummy.com/test/Bestelll%F6sung.exe_2_1_502_911.update so the request fails with 404 Error. Please help. I'm using .net 1.1 with the newest updates. TIA, Thomas Tag: VS.NET & client script viewer? Tag: 91548
  - 25
    - PerformanceCounter (CPU load) freezes after 2 minutes I use PerformanceCounter.NextValue to measure CPU load (percentage). It runs fine for 2 minutes, then at the 120 second boundary it freezes for 20 seconds. After this the calls to PerformanceCounter.NextValue again return quickly. The following console app demonstrates the problem: using System; using System.Diagnostics; using System.Threading; namespace PerformanceCounter_Freeze { class Program { static void Main(string[] args) { PerformanceCounter pc = new PerformanceCounter("Processor", "% Processor Time", "_Total"); pc.NextValue(); DateTime now = DateTime.Now; for (int i = 0; i < 240; ++i) { // freezes for 20 seconds at i == 119 int start = Environment.TickCount; decimal load = decimal.Round((decimal) pc.NextValue(), 0); int end = Environment.TickCount; Console.WriteLine("Period: {0}, Load: {1}, Delta: {2}ms", DateTime.Now - now, load, end - start); Thread.Sleep(1000); } } } } This code displays the time it takes in milliseconds for each call to PerformanceCounter.NextValue to measure CPU load as a percentage. It typically takes 0ms for the first 119 calls. Then at 01:59 it takes 20 seconds, after which it again returns quickly. Here's a sample of the output: Period: 00:00:00, Load: 0, Delta: 0ms Period: 00:00:01, Load: 9, Delta: 0ms Period: 00:00:02, Load: 1, Delta: 0ms Period: 00:00:03, Load: 1, Delta: 0ms ... Period: 00:01:57, Load: 0, Delta: 0ms Period: 00:01:58, Load: 0, Delta: 0ms Period: 00:01:59, Load: 0, Delta: 0ms // the delay starts here Period: 00:02:20, Load: 0, Delta: 20063ms // what's happening here? Period: 00:02:21, Load: 95, Delta: 0ms // look at the CPU load Period: 00:02:22, Load: 0, Delta: 0ms Period: 00:02:23, Load: 0, Delta: 0ms ... I'm seeing this on three different systems (XP Home, XP Pro, Server 2003), using .NET 1.1 and .NET 2.0 Beta2, for both debug and release builds. It happens consistently on all my machines and all machines of my fellow developers. It only seems to happen at the 2 minute boundary, after that it doesn't (seem to) happen again. Does anybody have a workaround for this? Thanks for any help. Tag: VS.NET & client script viewer? Tag: 91546
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    - .Selected property for listbox does not work Hi I have written a code for showing the list boxes as selected using a Listitem and the selected property of the items. Now I have 2 list boxes in my page. But it shows only the selected values of the last list box in both the list boxes. If i reverse the calls to the filllistbox methods it shows the value selected for the 1st list box in both the listboxes. I have the code for my method below. Is there a way I can solve this problem? The method calls are as follows :- this.FillListBox(myModel.CustomerLBUserList, myModel.SelectedPRList, this.lstProofreaders); this.FillListBox(myModel.CustomerLBUserList, myModel.SelectedRevList, this.lstReviewers); Thanks in advance Vipin Kedia vipinkedia@hotmail.com ------------------------------------------------- /// <summary> /// This is overloaded method. /// This method fills the data as well as preselects item. /// Note: This method will throw exception if selection mode is single and selection arraylist contains multiple items for selection /// </summary> /// <param name="alData">The ArrayList of ListItem with which ListBox needs to be populated</param> /// <param name="alSelectionIds">The ArrayList of Ids which needs to be selected</param> /// <param name="lstFill">The ListBox</param> public void FillListBox(ArrayList alData, ArrayList alSelectionIds, ListBox lstFill) { ListItem liAdd = null; try { lstFill.ClearSelection(); lstFill.Items.Clear(); for (int i=0; i<alData.Count; i++) { liAdd = (ListItem) alData[i]; lstFill.Items.Add(liAdd); lstFill.Items[i].Selected = false; if (alSelectionIds.Contains(liAdd.Value)) { lstFill.Items[i].Selected = true; } } } catch (Exception ex) { throw ex; } finally { liAdd = null; } } ------------------------------------------------- Tag: VS.NET & client script viewer? Tag: 91538
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    - multi threading programming Dear sir, I am writing an application to process log file. Log files of many of our site are often huge every day. I need the application to process them very quick. That is why I am thinking to use multi thread. I am not very familiar with this, does some one has a tutorial for this. I need something like.. Sub Main() ' process text file, catch something SubMultiThread(strSomething) End sub Sub SubMultiThread(ByVal strInput as string) ' do some task using multi thread. It can open new thread. If all threads are in use, it will wait. End sub Thanks in advanced. Tag: VS.NET & client script viewer? Tag: 91528
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    - after opening socket, sending data then closing socket 3000 times i get "Only one usage of each socket address" after opening socket, sending data then closing socket 3000 times i get "Only one usage of each socket address" what am i doing wrong? is there some thing else i need to do to free up the socket after i send data into it? I simply want to open socket, send data, close socket and have the server just handle one client thread to recieve connection, recieve data, and close socket here is my client: for(int i=0;i<10000;i++) { TcpClient myclient; myclient = new TcpClient("localhost",8888); NetworkStream networkStream ; networkStream = myclient.GetStream(); StreamWriter streamWriter ; streamWriter = new StreamWriter(networkStream); string strData = ""; strData += "0\0"; streamWriter.WriteLine(strData); streamWriter.Flush(); streamWriter.Close() ; networkStream.Close(); myclient.Close(); int i23 = 23+ 23; } here is my server: using System; using System.Net.Sockets; using System.IO ; public class Echoserver { public static void Main() { TcpListener tcpListener = new TcpListener(8888); tcpListener.Start(); Console.WriteLine("Server Started") ; while(true) { Socket socketForClient = tcpListener.AcceptSocket(); try { if(socketForClient.Connected) { Console.WriteLine("Client connected"); NetworkStream networkStream = new NetworkStream(socketForClient); StreamReader streamReader = new StreamReader(networkStream); string line = streamReader.ReadLine(); Console.WriteLine("Read:" +line); } socketForClient.Close(); Console.WriteLine("Client disconnected"); } catch(Exception e) { Console.WriteLine(e.ToString()) ; } } } } Tag: VS.NET & client script viewer? Tag: 91527
  - 4
    - How to create/edit tasks on an Exchange 2003 Server Hi, I want to build a website which allows me to create new tasks on an Exchange 2003 Server for any users. I also want to be able to request the status of the taks and display it on the website. Does anybody know how this can be done or has some code sinipplets for me? The website (ASP.NET) would be running on a Windows 2003 Server and would be in the same AD as the Exchange 2003 Server. Thank you a lot in advance! Daniel Tag: VS.NET & client script viewer? Tag: 91526
  - 5
    - Trickey problem with editing enum based properties Hi all, I have a problem that I havent really come accross before. I need to be able to allow the user to set a dropdown control to a particular colour value. The permissable values come from the Color enumeration and unfortunately I can't change this implementation detail. My question is, how can I load the values into the dropdown using the enumeration, and more importantly, when a user selects an entry in the dropdown, how do I reconcile the selected value back into a Color from the enumeration? The only solution that I could really think of was quite a messy approach using lots of conditional statements and I'm thinking there must be a more elegant way. Quite why it was implemented using the Color enum I don't know. I would have chosen a string personally. Many thanks to anybody who could offer advice on how to approach this Kindest Regards thechaosengine Tag: VS.NET & client script viewer? Tag: 91523
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    - typed DataSet not firing RowDeleted Hello, I have a typed dataset and I have the following loop. foreach (DataTable myTable in DataStore.Tables) { myTable.RowChanged += new DataRowChangeEventHandler( Row_Changed ); myTable.RowDeleted += new DataRowChangeEventHandler( Row_Changed ); } The Odd thing about this is that the program will fire the RowChanged event perfectly but it NEVER calls the RowDeleted. I have tried it with the RowDeleting and it does call the RowDeleting event but this is not what i need since I cannot tell when in a child table that is activated via a cascade to determine if the parent record was the cause of the cascade or if the individual child record was being deleted by itself. If there is just a way to determine if a child record's deletion is not caused by a cascade then this would greatly help. And if it is possible to use it in the RowDeleting since this seems to be the only RowDelet* event that I can get working. -Thanks Tag: VS.NET & client script viewer? Tag: 91521
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    - System.Net.Socket.SocketOptionName and SocketOptionLevel The documentation for the various SocketOptionNames does not specify to what SocketOptionLevel each of the names refer. Is this documented anywhere ? I received an exception when trying to retrieve the MaxConnections value from GetSocketOption using Socket as the level. I can guess at a different level for MaxConnections ( probably Tcp ) but I would like to really know for sure. Tag: VS.NET & client script viewer? Tag: 91518
  - 8
    - video file duration?? in windows xp, if you right click a file and chooses properties then the summary tab. you can find a duration property that determines the duration of the video file. how to access this property from the .Net framework?? Tag: VS.NET & client script viewer? Tag: 91517
  - 9
    - Enterprise Library We are a company whose IT development will be standardized on VS .Net C#. We are reviewing tools that could help with development/standardization and have seen Enterprise Library. Can anyone offer some insight and experiences in using this tool? Thanks Brent Tag: VS.NET & client script viewer? Tag: 91515
  - 10
    - Any Threading Gurus out there? How can I handle threading in a scenario like the following? The tasks have to execute simultaneously. I need a way of identifying which thread is busy running and its status and also be able to abort or cause one thread to sleep. foreach(DataRow row in TaskTable.Rows) { CompData compData = new CompData(row["TASK_ID"].ToString(), row["TASK_PERC"]); Thread taskThread = new Thread(new ThreadStart(compData.PerformTask)); taskThread.Name = row["TASK_NAME"].ToString(); taskThread.Start(); } TIA Tag: VS.NET & client script viewer? Tag: 91513
  - 11
    - MemoryStream?? Hello, I am working on an updater that Retrieves a file from a web page. GetRequest.Method = "POST" SW = New StreamWriter(TheRequest.GetRequestStream) SW.WriteLine(TransferName) SW.Close() TheResponse = TheRequest.GetResponse() ms = New MemoryStream() CopyData(TheResponse.GetResponseStream(), ms) ms.Seek(0, SeekOrigin.Begin) System.IO.Directory.CreateDirectory(TransferFolder) Dim st As FileStream = New FileStream(CompleteName, FileMode.Create) ms.WriteTo(st) st.Close() ms.Close() The application works good about 90% of the time I have noticed that when the file is really big like 25 Megs, it stops sending at about 16 Megs. Is this because the computer does not have enough memory to store the complete file? or could it be something with the web page that is responding to the request? or could it be something else. Any suggestions will be greatly appreciated and even modifications to my code above. I am not sure how to make the memory stream write to the file every Meg to test the theory. Thanks, Chuck Tag: VS.NET & client script viewer? Tag: 91502
  - 12
    - Nested GroupBoxes I am having a Tab Page where I need to place nested GroupBoxes. Based on an XML file, I get the information about the size, loocation and Name for the GroupBoxes. I create a GroupBoxes and make one as Child of another. I am able to see the Parent GroupBox on the Tabpage but cannot see the child GroupBox. What can be the problem? Thanks in advance. Jag Tag: VS.NET & client script viewer? Tag: 91499
  - 13
    - Embedded curly brackets in a call to String.Format Hi, I am encountering a serious problem with using String.Format(string format, params object[] args). If I try to format a string that happens to include curly brackets that are not intended to be format specifiers, then I get this exception thrown: System.FormatException: Input string was not in a correct format. at System.Text.StringBuilder.FormatError() at System.Text.StringBuilder.AppendFormat(IFormatProvider provider, String format, Object[] args) at System.String.Format(IFormatProvider provider, String format, Object[] args) Basically, what I am doing is writing a Logger class that handles log files. I have two main methods in this class that I route all of my output through: public void Write(string format, params object[] args); public void WriteLine(string format, params object[] args); But I am hitting a problem when the format variable happens to contain curly brackets that are not used as format specifiers (i.e., I mean an embedded string like "{one two}" as opposed to {0}, {1}, etc.) I guess I could quit using these types of functions and just concatenate strings together, but that is a lot of extra memory allocation, and I really like the compact format of the method with the parameter array. Here's a Short But Complete Program(tm): using System; namespace ConsoleApplication1 { class Class1 { [STAThread] static void Main(string[] args) { string s = String.Format("This is fine: {0}, but this is not: {some text}.", 1); } } } Thanks, Chuck Tag: VS.NET & client script viewer? Tag: 91496
  - 14
    - Visual Studio DataAdapter Wizard I am exploring the possibility of creating a data transforation program that uses an Access Database with some fairly large table schemas. Although Access has no problem with tables containing a large number of fields the Data Adapter in Visual Studio 2003 does. If I try to use the Wizard to configure the adapter I get an error. If I select the fields progressively in sets of say 5 the Wizard completes its task until some unknown limit is reached. Could it be simply that the generated SQL Select, Update, Delete string statements are too long, or do we have a bug? How can I work around this problem? The table schemas are from another third party product. -- Dennis Arthur Johnson Tag: VS.NET & client script viewer? Tag: 91491
  - 15
    - All U Want To Know About C# Hey Frndz, Please visit the below link http://msdn.microsoft.com/vcsharp/team/language/default.aspx . You will find all three links on this pages for C# Specifications for all the version 1.0, 1.2 [Current] and 2.0 [Whidbey]. The Specs are very good and cover things in brief and to the point. Download them and read [the files are not large in size.] There is also a seperate 14 page document [pdf document] on Nullable types [a link below on the same page] http://download.microsoft.com/download/8/1/6/81682478-4018-48fe-9e5e-f87a44af3db9/NullableTypesProposal.pdf Please do read them . I hope they are helpful to you. -- Please post your queries and comments for my articles in the user group for the benefit of all. I hope this step from my end is helpful to all of us. You can find all articles written by me at my personal blog http://spaces.msn.com/members/nasha. Regards, Namratha (Nasha) Tag: VS.NET & client script viewer? Tag: 91490
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    - Why can't I get a meaningful exception with Activator.CreateInstan I have a class where I throw an exception in the constructor like this class Foo { Foo constructor { throw new Exception("custom exception") } } I create an instance of this class with Activator.CreateInstance in a try catch block try { Activator.CreateInstance(typeofFoo) } catch (e) { } When I inspect this exception, it is a reflection exception, not my custom exception that I threw from inside the class constructor. Is there something I can do to get access to my exception, instead of the reflection exception created by the framework. Inspecting the stack trace shows the origin of the error to be Activator.CreateInstance, where it should be in the Foo constructor. Tag: VS.NET & client script viewer? Tag: 91486
  - 17
    - Print Queue Permission Hello, Does anyone know how to set the permissions on a PRINTER QUEUE located on a Windows 2000 Server, using VB.NET code. I have no idead on where to start, been reading alot of articles, and they all point to the "SECURITY_DESCRIPTOR", but I have no idea on how to implemen it, using VB.NET Any help would be appreciated. Thank you Frank Tag: VS.NET & client script viewer? Tag: 91485
  - 18
    - Asociate dinamically an event in VB.NET Hello: I'm creating some radiobuttons and i want to asociate their events dinamically with a function. How can I do it? In c# there is no trouble, because it can handle with it: radiobutton1.click += new System.eventhandler(this.myfunction); but when i use VB.NET I need to do in this way: public sub myfunction() handles radiobutton1.click Thanks Juan Tag: VS.NET & client script viewer? Tag: 91483
  - 19
    - Can I remove Framework v.1.0? I have v. 1.1 and (English) 1.0.3705 on my system. Since the latest version of the Framework did not overwrite the old one, is it safe to remove the older version? Thanks in advance, WayneM Tag: VS.NET & client script viewer? Tag: 91477
  - 20
    - Handling exceptions in a Windows .Net Service Has anybody successfully added a â??Catch Allâ?? Exception Handler to a Windows Service? Iâ??ve tried adding a handler to the AppDomainâ??s UnhandledException event. This works Ok in Windows.Net Forms applications, but although this compiles happily in my Windows Service, it doesnâ??t do any good. Has anyone got any better suggestions? Tag: VS.NET & client script viewer? Tag: 91475
  - 21
    - .Net 1.1 Sp 1 install failure I get the following error when trying to install service pack 1 for .Net 1.1 framework. I have un-installed .Net 1.1 and reinstalled it with no problem but continue to get the same error message when trying to update. I also have .Net 1.0 and tried to install Service Pack 3 for that framework and got the same error message during install. I have seen some messages from others who got the same error message but have not found a solution. Does ANYBODY know the solution to this problem. XP Pro SP 2 .Net 1.0 .Net 1.1 "An unhandled exception of type 'System.Reflection.TargetInvocationException' occurred in mscorlib.dll" -- David Farrell-Garcia Whidbey Island Software LLC Posted with XanaNews 1.17.2.4 Tag: VS.NET & client script viewer? Tag: 91474
  - 22
    - GetXml Globalization Hello, with a SqlDataAdapter, I fill a DataSet with one table. The query returned from the SQL2000 server, some fixed type fields and two sql_variant field. When I call the the GetXml method of the DataSet object, the returned string depends on the CurrentCulture.NumberFormat. All double values contained within the sql_variant fields are exported using the CurrentCulture settings (and so I receive commas instead of dots as a decimal separator for german systems). As far as I understood, the GetXml returned string should be culture independend. The only work around I found so far, is to change the CurrentCulture of the current thread but I really don't like this solution. Could you help me with this problem? Is this a bug? Are there any other work arounds? Thanks in advance, Thomas -- Thomas Hotz Software Engineer OMICRON electronics Tag: VS.NET & client script viewer? Tag: 91473
  - 23
    - How to extract selective bits from BitArray Hi, I have a BitArray that contains a value --> 1011001 (89) I want to extract four bits (bits 0-3) of the BitArray --> 1011 (11) Is there an easy way to do this that I'm missing? Or would I have to create another BitArray and iterate through the 4 bits of the original BitArray that I want and copy them one by one? Thanks, skicow Tag: VS.NET & client script viewer? Tag: 91467
  - 24
    - IList implementation problems (typed collections) This is the first time I am implementing strongly typed collections. And in order to do this I overloaded the IList functions to implement them ( an explicit interface implementation of IList). All is fine till the point where i want to strongly type the Item property. This is the error it gives me: C:DataObject\dUserTypeCollection.vb(81): 'Public Default Property Item(index As Integer) As Object' and 'Public Default Property Item(index As Integer) As dUserType' cannot overload each other because they differ only by return types. In my usertypecollection class i am implementing the following: System.ComponentModel.IListSource, IList, IEnumerable Tag: VS.NET & client script viewer? Tag: 91464
  - 25
    - Rounding Issue I ran into a problem with rounding and was wondering if anyone knows of a work around with out manually rounding numbers. Math.Round doesn't seem to use the standard in rounding (at least what I have always been taught). For example math.round would round .925 as .92 however, I have always rounded and been taught that .925 should be rounded as .93. Are all my years of math classes wrong or is Microsoft using a new way to round numbers because I just found out that using math.round to calculate taxes can now be a penny off from are main non .net application which does our reporting. Tag: VS.NET & client script viewer? Tag: 91462

Dear All,

How can I access the client side scripts (javascript) for ASP.Net page.
Through the IDE of Visual studio .Net
AS We were did with Visual Interdive 6.
There was ability to see server and client side script, and overall object,...

I miss VID 6 !!

Any help ?
--
MCSD not .Net yet :(

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RE: VS.NET & client script viewer? by Gold

Gold
Mon Feb 14 10:01:04 CST 2005

Switch to HTML view

//Thangam

"Shaker" wrote:

> Dear All,
>
> How can I access the client side scripts (javascript) for ASP.Net page.
> Through the IDE of Visual studio .Net
> AS We were did with Visual Interdive 6.
> There was ability to see server and client side script, and overall object,...
>
> I miss VID 6 !!
>
> Any help ?
> --
> MCSD not .Net yet :(

Top

RE: VS.NET & client script viewer? by Shaker

Shaker
Tue Feb 15 00:33:02 CST 2005

May ba I wasn't clear enough:

What I need is to access the client side script for a server side control.
I need to to some client validation process on client side.

This is not achevable throgh the document outline provided throgh the HTML
viewr.

"Gold" wrote:

> Switch to HTML view
>
> //Thangam
>
> "Shaker" wrote:
>
> > Dear All,
> >
> > How can I access the client side scripts (javascript) for ASP.Net page.
> > Through the IDE of Visual studio .Net
> > AS We were did with Visual Interdive 6.
> > There was ability to see server and client side script, and overall object,...
> >
> > I miss VID 6 !!
> >
> > Any help ?
> > --
> > MCSD not .Net yet :(

Top