Play and Play application

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- Previous
 - 1
 - Generic Union Type with Explicit Layout I am desperately trying to build a generic union type with explicit field layout. First, I will show you my attempt without generics. This is something like a tagged union in functional languages like F#. Thus let us first write an example using F#, which is rather short (assuming polymorphic types 'T stack and 'T queue already defined) --- type 'T ProcessingOrder = Stack of 'T stack | Queue of 'T queue;; --- This defines the generic type ProcessingOrder to be either a stack or a queue, with explicit tags Stack and Queue. 'T is the type parameter. As I have found out using IL DASM, F# circumvents my problem by using auto layout and thus does not create a real union type, wasting space. Let me define the same type using C#: --- [StructLayout(LayoutKind.Explicit)] struct ProcessingOrder<T> { [FieldOffset(0)] public readonly object _object; [FieldOffset(0)] public Stack<T> _stack; [FieldOffset(0)] public Queue<T> _queue; } --- Note that I use implicit tagging, as classes in .NET are already tagged. One may explore the actual type of the union by typeof(_object). Propably not the fastest way. Unfortunately, this does not work. Compiles without error messages but at execution a TypeLoadException is thrown, which tells me that explicit layout is not allowed for generic types. Au contraire, a specialized implementation works fine: --- [StructLayout(LayoutKind.Explicit)] struct ProcessingOrderInt { [FieldOffset(0)] public readonly object _object; [FieldOffset(0)] public Stack<int> _stack; [FieldOffset(0)] public Queue<int> _queue; } --- Has anyone an idea why explicit layout is forbidden for generic types? Has anyone an idea how to circumvent this without accouting space for every choice? TIA, Hagen Tag: Play and Play application Tag: 107537
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 - EventHandling problem : Java has solution but what about Microsoft??? This is a multi-part message in MIME format. ------=_NextPart_000_0021_01C5F52E.1C9DEDE0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi, I have added few of the events in some control, example code is: btnControl.GotFocus +=3Dnew EventHandler(EventHandlingMethod); btnControl.Click +=3Dnew EventHandler(EventHandlingMethod); lblControl.Click +=3Dnew EventHandler(EventHandlingMethod); private void EventHandlingMethod(object sender, EventArgs e) { ....... } btnControl =3D Button object, lblControl =3D Lable object Now the problem is: I am adding the same event handler method in all = events for btnControl and lblControl too. now in EventHandlingMethod method, i can find which control is using = sender but now if i want to put some switch cases in the method for = Event Name then I have no any such information in the eventargs or = anyother way.... Can someone help/guide me to get the event name? Is it possible? if yes then how? If no, then any work around? Thanks in Advance Regards, Mahesh Devjibhai Dhola ------=_NextPart_000_0021_01C5F52E.1C9DEDE0 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 6.00.2800.1522" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY> <DIV>Hi,</DIV> <DIV>I have added few of the events in some = control,=20 example code is:</DIV> <DIV> btnControl.GotFocus = +=3Dnew=20 EventHandler(EventHandlingMethod); btnControl.Click +=3Dnew=20 EventHandler(EventHandlingMethod); lblControl.Click +=3Dnew=20 EventHandler(EventHandlingMethod); private void=20 EventHandlingMethod(object sender, EventArgs = e) {    =20 ....... } btnControl =3D Button = object,=20 lblControl =3D Lable object Now = the problem=20 is: I am adding the same event handler method in all events for = btnControl and=20 lblControl too. now in EventHandlingMethod method, i can = find which=20 control is using sender but now if i want to put some switch cases in = the method=20 for Event Name then I have no any such information in the eventargs or = anyother=20 way.... Can someone help/guide me to get the = event=20 name? Is it possible? if yes then how? If = no, then any=20 work around? Thanks in Advance Regards, Mahesh Devjibhai=20 Dhola</DIV></BODY></HTML> ------=_NextPart_000_0021_01C5F52E.1C9DEDE0-- Tag: Play and Play application Tag: 107532
 - 3
 - What is the .NET equivalent of Java's MANIFEST.MF and co.? I'm trying to understand where the information in the META.INF directory including MANIFEST.MF etc is to be found for .NET assemblies. Also some projects such as Eclipse's OSGi kernel stores additional info in the MANIFEST.MF file. What would be the .NET equivalent where such info can be stored? Kunle -- Don't talk unless you can improve the silence. Tag: Play and Play application Tag: 107531
 - 4
 - Finding a DLL's public key value Hi all, I've been working on this problem for a few days and I'm about at my whit's end for searching, I appreciate any help I can get with this. I've got a DLL that was signed with a key (using VS 2005). I'm trying to find the public key value to put into an application's config file but I'm not having any luck. Can someone point me to how to determine the key value? Also, I have VC# 2005 Express, and I can't seem to find the fuslogvw application to view the errors I'm getting when assemblies trying to load. Is this something that's not included in the express editions, or something I have to download? Thanks for all help, Mike Tag: Play and Play application Tag: 107525
 - 5
 - Error using SmtpClient with local server Hi, I try to send a mail using System.Web.Mail.SmtpMail via the local (virtual) SMTP server like this: System.Net.Mail.SmtpClient smtpClient = new System.Net.Mail.SmtpClient("localhost"); smtpClient.Credentials = System.Net.CredentialCache.DefaultNetworkCredentials; smtpClient.Send("test@gmx.de", "test@gmx.de", "Test", "This is as test"); // Exception "test@gmx.de" is an existing E-Mail-Address. Send throws the error "Unable to relay for test@gmx.de"!??? Using the old style SmtpMail class the mail is sent without exception: System.Web.Mail.SmtpMail.SmtpServer = ""; System.Web.Mail.SmtpMail.Send("test@gmx.de", "test@gmx.de", "Test", "This is as test"); // OK Does anyone know the source of this error? Tag: Play and Play application Tag: 107524
 - 6
 - ClickOnce and updating client applications I'm trying to understand the limitations of ClickOnce deployment, and have a question regarding how automated client application updates can be. I have a server .NET application with a client application that connects and uses .NET remoting objects in the server app. I need to be able to deploy updates to the server and/or client, and I hope ClickOnce will suit my deployment strategy. My question is, if an update for the client application is available, can the client applications that are currently connected to the server application be automatically forced to update? I'm concerned that ClickOnce will only prompt users to update when the client application is restarted. Regards Boz Tag: Play and Play application Tag: 107521
 - 7
 - "Cannot find assembly..." when deserializing from memorystream I have a strange exception imo when I try to deserialize a memorystream to an object using the following code: public static object Clone(object sheep) { if (master == null) { throw new ArgumentNullException("sheep"); } using (MemoryStream stream = new MemoryStream(4096)) { object dolly = null; BinaryFormatter formatter = new BinaryFormatter(null, new StreamingContext(StreamingContextStates.Clone)); formatter.Serialize(stream, sheep); stream.Seek(0, SeekOrigin.Begin); dolly = formatter.Deserialize(stream); return dolly; } } The Exception is thrown by the formatter.Deserialize() method call: "cannot find assembly x.dll...". For some reason the Deserialize() is trying to look presumably in the GAC for the x.dll assembly. The object 'sheep' I am trying to clone is in the same assembly as the utility class with the Clone() method. Anyone has experience this before? I am using .NET Framework v1.1.4322... Gabriel Lozano-Morán Tag: Play and Play application Tag: 107519
 - 8
 - Network aware application 'a la MSN' I'm about to write a network aware application. Of course I intend to do UDP broadcasting to detect other app on my network. But I would like my application to be usable over the internet as well. Between to end user computer. Ideally if user could connect through MSN identity that would be perfect! Is there a way to do that? Some MSN server wrapper for .NET? Tag: Play and Play application Tag: 107512
 - 9
 - error message on shutdown Greetings. I am not sure if this is the group place to be asking this question. But will do so. I have recently started the asp.net and iis in the MyComputer/Manage/Services and Applications. Now, since starting asp.net I get the following error message when I go to shutdown or restart my computer. The message reads; "The instruction at 0x0074006e referred memory at 0x0074006e. The memory could not be "read."" In the title bar it has; asp.net_state exe Application error I redid the regiis to map asp and iis together thinking this was it but it still appears. It is during the "Shutting down Windows..." that it appears. I am puzzled why I am getting this. Anyone have any ideas? Thanks in advance to anyone responding. *** John Tag: Play and Play application Tag: 107506
 - 10
 - entering internationalized input I have implemented an international text editor based on uniscribe, GDI & GDI+. While it display internationalized text fine I realize user input are no good. So far what I do: I override Control.OnKeyPressed(char keyCode); I was expecting the appropriate char to be passed on. Now I test with (very simple) french accent. I was trying to type: 'ê' and I ended up with "[e" So, how do I get a char which is a combination of multiple key strokes? There must be an API for that, wouldn't it? Tag: Play and Play application Tag: 107501
 - 11
 - lock file access I'm using system.io.file How do I lock access to the file while appending? Other processes may try to open it while I want it. Thanks, Colin. Tag: Play and Play application Tag: 107498
 - 12
 - Access Addin Hello, I'm trying to develop an access addin and I'm relatively new to developing addins for Access. Basically, I need to log certain queries that are sent to the database. However, I can't find an event anywhere that will allow me to see the query string. Does anybody know how I can at least just see the query string every time there is a query? Thanks, -- John Tag: Play and Play application Tag: 107492
 - 13
 - Type switch? I am trying to do a switch on a Type. It's actually a DataType used to type a column in a DataTable. I have run through several blogs and am not sure what I'm missing or why it can't be done. My switch statement looks like this: int typeEnum = myObject.GetType().GetHashCode(); switch( typeEnum ) { case ( typeof(System.Int64).GetHashCode() ) : bool ThisIsABigInt = yes; break; That does not work. But this does: string typeEnum = myObject.GetType().ToString(); switch( typeEnum ) { case "System.Int64": bool ThisIsABigInt = yes; break; The method that does this switch gets called around a zillion times, and all of that ToString() seems like a problem. What is the best way to simply switch on an instance Type to perform an action? There are 30 Type tests and I don't think writing 30 if statements is the right way to do things. Is it? Thanks. Tag: Play and Play application Tag: 107485
 - 14
 - vs 2003 & framework 2.0 still have vs 2003 but like to use framework 2.0 with vs 2003 instead of 1.1. so is it possible and if it is how to register 2.0 to vs 2003? would there be any other problems using these two together? Tag: Play and Play application Tag: 107484
 - 15
 - Extract text from EPS-file? Hi! Is it possible to extract text from an EPS-file using .Net? In this scenario, I need to process ads stored as EPS-files and extract all text (for fulltext-indexing purposes). I looked into OCR, but that is too expensive for this project (> 5000$). Any help and pointers would be greatly appreciated. Thanks in advance Klaus Jensen, Software Developer Agilator.dk Tag: Play and Play application Tag: 107483
 - 16
 - Hash ContainsValue? I have a very simple class (see CurrentUser below), that I am adding to a hash table. Public Class CurrentUser Private userName As String Private sessionId As String Private logindateTime As DateTime 'Properties left out End Class I add the values: myHash(somekey,CurrentUser) I am implementing ICollection and everything works fine, except the ContainsValue. Public Function ContainsValue(ByVal value As CurrentUser) As Boolean Return m_HashTable.ContainsValue(value) End Function I have also tried - Public Function ContainsValue(ByVal value As CurrentUser) As Boolean Return m_HashTable.ContainsValue(value.Name) End Function Questions: What do I need to do to get my ContainsValue to work properly? Tag: Play and Play application Tag: 107478
 - 17
 - Could not load type 'System.CodeDom.Compiler.GeneratedCodeAttribute'? I get this error when I try to run my Visual Studio Tools for Office 2005 application. Does anyone have any clue to what the problem could be? Olav Could not load type 'System.CodeDom.Compiler.GeneratedCodeAttribute' from assembly 'System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'. ************** Exception Text ************** System.TypeLoadException: Could not load type 'System.CodeDom.Compiler.GeneratedCodeAttribute' from assembly 'System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'. at System.ModuleHandle.ResolveType(Int32 typeToken, RuntimeTypeHandle* typeInstArgs, Int32 typeInstCount, RuntimeTypeHandle* methodInstArgs, Int32 methodInstCount) at System.ModuleHandle.ResolveTypeHandle(Int32 typeToken, RuntimeTypeHandle[] typeInstantiationContext, RuntimeTypeHandle[] methodInstantiationContext) at System.Reflection.Module.ResolveType(Int32 metadataToken, Type[] genericTypeArguments, Type[] genericMethodArguments) at System.Reflection.CustomAttribute.FilterCustomAttributeRecord(CustomAttributeRecord caRecord, MetadataImport scope, Assembly& lastAptcaOkAssembly, Module decoratedModule, MetadataToken decoratedToken, RuntimeType attributeFilterType, Boolean mustBeInheritable, Object[] attributes, IList derivedAttributes, RuntimeType& attributeType, RuntimeMethodHandle& ctor, Boolean& ctorHasParameters, Boolean& isVarArg) at System.Reflection.CustomAttribute.GetCustomAttributes(Module decoratedModule, Int32 decoratedMetadataToken, Int32 pcaCount, RuntimeType attributeFilterType, Boolean mustBeInheritable, IList derivedAttributes) at System.Reflection.CustomAttribute.GetCustomAttributes(RuntimeType type, RuntimeType caType, Boolean inherit) at System.RuntimeType.GetCustomAttributes(Type attributeType, Boolean inherit) at System.Web.Services.WebServiceBindingReflector.GetAttribute(Type type) at System.Web.Services.Protocols.SoapClientType..ctor(Type type) at System.Web.Services.Protocols.SoapHttpClientProtocol..ctor() at CatalogAdmin.CommerceAdminService.ProductCatalogService..ctor() at CatalogAdmin.UpdateCatalogControl.UpdateRelatedProductsButton_Click(Object sender, EventArgs e) at System.Windows.Forms.Control.OnClick(EventArgs e) at System.Windows.Forms.Button.OnClick(EventArgs e) at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent) at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ButtonBase.WndProc(Message& m) at System.Windows.Forms.Button.WndProc(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) ************** Loaded Assemblies ************** mscorlib Assembly Version: 2.0.0.0 Win32 Version: 2.0.50215.322 (beta2PLUS.050215-3200) CodeBase: file:///C:/WINDOWS/Microsoft.NET/Framework/v2.0.50215/mscorlib.dll ---------------------------------------- Microsoft.VisualStudio.Tools.Applications.Runtime Assembly Version: 8.0.0.0 Win32 Version: 8.0.50215.44 CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/Microsoft.VisualStudio.Tools.Applications.Runtime/8.0.0.0__b03f5f7f11d50a3a/Microsoft.VisualStudio.Tools.Applications.Runtime.dll ---------------------------------------- System Assembly Version: 2.0.0.0 Win32 Version: 2.0.50215.322 (beta2PLUS.050215-3200) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System/2.0.0.0__b77a5c561934e089/System.dll ---------------------------------------- System.Windows.Forms Assembly Version: 2.0.0.0 Win32 Version: 2.0.50215.322 (beta2PLUS.050215-3200) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Windows.Forms/2.0.0.0__b77a5c561934e089/System.Windows.Forms.dll ---------------------------------------- System.Xml Assembly Version: 2.0.0.0 Win32 Version: 2.0.50215.322 (beta2PLUS.050215-3200) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Xml/2.0.0.0__b77a5c561934e089/System.Xml.dll ---------------------------------------- CatalogAdmin Assembly Version: 1.0.2154.1200 Win32 Version: 1.0.2154.1200 CodeBase: file://lion/users/Baldrian/CatalogAdmin/CatalogAdmin.DLL ---------------------------------------- Microsoft.Office.Tools.Excel Assembly Version: 8.0.0.0 Win32 Version: 8.0.50215.44 CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/Microsoft.Office.Tools.Excel/8.0.0.0__b03f5f7f11d50a3a/Microsoft.Office.Tools.Excel.dll ---------------------------------------- Microsoft.Office.Interop.Excel Assembly Version: 11.0.0.0 Win32 Version: 11.0.5530 CodeBase: file:///C:/WINDOWS/assembly/GAC/Microsoft.Office.Interop.Excel/11.0.0.0__71e9bce111e9429c/Microsoft.Office.Interop.Excel.dll ---------------------------------------- Microsoft.Office.Tools.Common Assembly Version: 8.0.0.0 Win32 Version: 8.0.50215.44 CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/Microsoft.Office.Tools.Common/8.0.0.0__b03f5f7f11d50a3a/Microsoft.Office.Tools.Common.dll ---------------------------------------- System.Drawing Assembly Version: 2.0.0.0 Win32 Version: 2.0.50215.322 (beta2PLUS.050215-3200) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Drawing/2.0.0.0__b03f5f7f11d50a3a/System.Drawing.dll ---------------------------------------- System.Web.Services Assembly Version: 2.0.0.0 Win32 Version: 2.0.50215.322 (beta2PLUS.050215-3200) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Web.Services/2.0.0.0__b03f5f7f11d50a3a/System.Web.Services.dll ---------------------------------------- System.Configuration Assembly Version: 2.0.0.0 Win32 Version: 2.0.50215.322 (beta2PLUS.050215-3200) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Configuration/2.0.0.0__b03f5f7f11d50a3a/System.Configuration.dll ---------------------------------------- Tag: Play and Play application Tag: 107477
 - 18
 - attachments with MAPISendMail hi guys, if i call send MAPISendMail(..) in the Send routione of Mapi.Send the attachments are convertet in text that is attached in the text part of the mail. it is not attached as files to the mail. how can i change it that the attachments are attached as files and not as text. here more or less the code that i use: Mapi ma = new Mapi(); ma.Reset(); for (..){ ma.Attach(m_strAttach[i]); //m_strAttach[i] includes the complete path+filename of the attachment } ma.Send(m_strSubject,m_strText); ma.Logoff(); thanks a lot, elmar Tag: Play and Play application Tag: 107474
 - 19
 - VS2005 Sync Solution Explorer w/ Active File in Text Editor Is there a way to sync the solution explorer with the currently active file in the text editor in VS 2005? (happened by default in 2002/3) Thnx Tag: Play and Play application Tag: 107472
 - 20
 - Unable to install .Net Framework 1.1 SP1 Whenever I attempt to install it it says it cannot find a .msi file in another directory. I attempted to repair the installation but that gives me the same type of error, cannot find specified .msi file. How do I repair this properly? Tag: Play and Play application Tag: 107471
 - 21
 - How to Open a File in Text-mode? It is that in Traditional C++ ,the Class "file" has a Open Method which can specify opening a file in Text-Mode. The Text-Mode can automaticaly Convert "\r\n" to "\n" (\13 \10 to \10). But,I can not find a way to do this in Extention Managed C++.Net ? Any new Solution? Tag: Play and Play application Tag: 107470
 - 22
 - Asynchronous WebClient I'm trying to automate a process of logging in to a website and posting and downloading some stuff. I am using asynchronous WebClient methods so the user can cancel the operation at any time and it's working fine, but I have a question about the structure of my program. Right now I've got something like this: Main() { WebClient LoginClient = new ... // set the relevant properties and eventhandlers LoginClient.UploadValuesAsync(...); } LoginClient_UploadValuesCompleted(...) { if(!Cancelled && !Error) { WebClient Page1Client = new ... // set the relevant properties and eventhandlers Page1Client.DownloadDataAsync(...); } } Page1Client_DownloadDataCompleted(...) { if(!Cancelled && !Error) { WebClient Page2Client = new ... // set the relevant properties and eventhandlers Page2Client.DownloadDataAsync(...); } } etc. I've got about 5 or 6 pages I need to get and I have to get them in order, so in each request's completed event handler I start the next request. Is this the right way to do things? There seems to be a fair amount of repeated code and it just feels a little strange, but it works fine. Also, whenever I start the program and start the first request for the first time it blocks for about a second even though it's started asynchronously. No other requests block, even if I cancel and restart the request sequence. If I restart the program, the first request blocks again. Is this just because some initialization occurs in the background or something? Is there any way to avoid this? Tag: Play and Play application Tag: 107466
 - 23
 - FtpWebRequest in 2.0 Framework Has anyone tried to download a mainframe file with FtpWebRequest. It doesn't seem to translate from EBCDIC to ASCII. The old inet control in VB6 has the same problem. Command line FTP has no problem to translate from EBCDIC to ASCII, but I prefer a .Net assembly. Tag: Play and Play application Tag: 107463
 - 24
 - Wellknown-Singleton object is being created 2 times Hi, I have a singleton class which I want to "create" (call it's GetInstance() for the first time) in server process, and after some time I want to use it in client process, through .Net Remoting. I define the singleton as MarshalByRefObject. My server process looks like this: 1.Register singelton type as being wellknown singleton (not singlecall). 2. Singleton.GetInstance() 3. Console.Write("Singleton constructor called"); 4. do some logic inside the singleton 5. Wait for clients to connect Client process looks like this: 1. Register singleton type. 2. Singleton.GetInstance() After this call, "Singleton constructor called" is being printed AGAIN on the screen, which means that the singleton object is being created again, and thats not what I want. I want to receive proxy to the same singelton, already created in server process. I don't understand what I do wrong. Please help, Mike. Tag: Play and Play application Tag: 107457
 - 25
 - ANN: OleDBProNet for .NET version 2 is released at www.udaparts.com Hi, All: OleDBProNet is a .NET class library which is a complete, feature-rich, and extremely powerful data access solution for .NET programmers through MS OLEDB technology. It offers the following key benefits over ADO.NET: 1. Extremely simple: OleDBProNet hides all of complexities of raw OLEDB programming. It is written with the classical ADO data accessing model. You will never meet BLOBs and other complicate data types conversion to bother you for all types of SQL statements. OleDBProNet comes with fifteen real and advanced C# and VB.NET samples to assist your developments no matter what programming background you have. If you have somewhat background in old ADO (Active Data Objects), you will feel OleDBProNet is extremely simple and intuitive to use. 2. Many features available: OleDBProNet supports all types of client and server cursors as shown in the attached samples. It supports all of advanced rowset navigation features (bookmark, record searching, index, bi-directional scrolling and jumping etc) directly on server side. OleDBProNet offers much more features than ADO.NET. 3. Super performance: OleDBProNet is written from Visual C++ 2005 C++/CLI with direct use of raw OLEDB interfaces, which almost eliminates data marshaling across layers between native and managed codes completely. Also, OleDBPro uses batching mode (20 records per batch) to retrieve and update records by default. Generally, OleDBProNet is about five times as fast as ADO in .NET environment. Also, OleDBProNet is about 15% faster than MS OleDB.NET provider. OleDBProNet can manage huge data records using server cursors, but ADO.NET can't. Therefore, OleDBProNet is significantly faster and simpler than ADO.NET for accessing a large number of data records. 4. Complete solution to all types of your databases: OleDBProNet is a complete solution to all of types of databases, SQL server, Oracle, Access, MySQL, DB2, ....... As long as you have an OLEDB provider, or ODBC driver, or ISAM driver available, it will work for you with one copy of code. -- Yuancai (Charlie) Ye Fast accessing all of remote data sources anywhere with SocketPro using batch/queue, non-blocking and parallel computation See 30 well-tested and real OLEDB examples at http://www.udaparts.com Tag: Play and Play application Tag: 107456
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 - Access file on another computer with specific username / password I need to access files on computers around our network, some are on the same domain as myself, and some are on others. I have an account for each domain with rights to read files on each system, but I can't figure out how to specify a username/password when using the System.IO namespace to read files. Is this possible and if so, how might I accomplish the task? Chris Tag: Play and Play application Tag: 107455
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 - Email Sed Error Hi, I use the following code snippet in VS 2005 Dim message As New MailMessage("timpowell@controlequipment.co.uk", "timpowell@controlequipment.co.uk", "Subject", "Message Text") Dim emailClient As New SmtpClient("10.34.45.135") emailClient.Send(message) When I execute the code I get the below error. System.Net.Mail.SmtpException was unhandled Message="Failure sending mail." Source="System" StackTrace: at System.Net.Mail.SmtpClient.Send(MailMessage message) at WindowsApplication1.Form1.Form1_Load(Object sender, EventArgs e) in C:\Documents and Settings\TPowell.CEL\Local Settings\Application Data\Temporary Projects\WindowsApplication1\Form1.vb:line 7 at System.EventHandler.Invoke(Object sender, EventArgs e) at System.Windows.Forms.Form.OnLoad(EventArgs e) at System.Windows.Forms.Form.OnCreateControl() at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible) at System.Windows.Forms.Control.CreateControl() at System.Windows.Forms.Control.WmShowWindow(Message& m) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ScrollableControl.WndProc(Message& m) at System.Windows.Forms.ContainerControl.WndProc(Message& m) at System.Windows.Forms.Form.WmShowWindow(Message& m) at System.Windows.Forms.Form.WndProc(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) at System.Windows.Forms.SafeNativeMethods.ShowWindow(HandleRef hWnd, Int32 nCmdShow) at System.Windows.Forms.Control.SetVisibleCore(Boolean value) at System.Windows.Forms.Form.SetVisibleCore(Boolean value) at System.Windows.Forms.Control.set_Visible(Boolean value) at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context) at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context) at System.Windows.Forms.Application.Run(ApplicationContext context) at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.OnRun() at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.DoApplicationModel() at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.Run(String[] commandLine) at WindowsApplication1.My.MyApplication.Main(String[] Args) in 17d14f5c-a337-4978-8281-53493378c1071.vb:line 81 at System.AppDomain.nExecuteAssembly(Assembly assembly, String[] args) at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args) at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly() at System.Threading.ThreadHelper.ThreadStart_Context(Object state) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Threading.ThreadHelper.ThreadStart() Any help would be much appreciated. Tag: Play and Play application Tag: 107454
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 - Convert MS Word Document in HTML I want to convert MS Word Document in HTML file. I would like to do it, without having MS Word installed on server. Is this possible? Tag: Play and Play application Tag: 107453
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 - IDisposable and Finalization I believe that I fully understand the concepts behind IDisposable and finalization (at least I hope I do) and I would like to get feedback from the experts so that I can forward them on to others. There are people who think that if a class implements IDisposable then it should include a finalizer. What I told them was that you should only include a finalizer if you have unmanaged resources you need to ensure are cleaned up. Otherwise you should not include a finalizer whether or not you implement IDisposable. As an example of this case, the one where you might want to implement IDisposable but do not need a finalizer, I said assume you have a class that internally makes use of a FileStream object. It might open the object up at some point during its lifetime and keep it open from then on. In this case you might want to implement IDisposable to provide an explicit mechanism for the caller to indicate they are done with your class. The implementation in your class would simply call the FileStream's IDisposable.Dispose() method. I argue that this class does not need a finalizer and in fact if this class did include a finalizer it would be of no use. By the time the finalizer was called you could not do anything with your FileStream instance as it may have already been disposed (assuming you don't expose the instance outside your class). Is my statement/explanations valid? -- Thanks, Nick Tag: Play and Play application Tag: 107452
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 - deserialising system.object using xmlserialiser Hi, I want to deserialize the following class which has a object type of member using xmlserialiser.The NamedValue.value can be any type of user defined class/predefined types or single/two dimensional array. public class NamedValue { /// <remarks/> public string name; /// <remarks/> /// public object value; } I am using XmlSerialiser to deserialise the xml. Although the class gets deserialised but the representation of NamedValue.value is in the form of XmlElement instead of long[] when the xml contains the array of long xml fragement ========== <name xsi:type="xsd:string">Missing information</name> <value soapenc:arrayType="xsd:long[1]" xsi:type="soapenc:Array"> <value xsi:type="xsd:long">27148</value> </value> Is it possible to have a proper representation of NamedValue.value instead of XmlElement. --gaurav Tag: Play and Play application Tag: 107451
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 - Process.HasExited property does not work as expected I've created a windows service to ensure another service is running. First of all, I look for the process relative to the service I'm monitoring. The code is: Process[] processes = Process.GetProcesses(); foreach(Process process in processes) if(!process.HasExited && process.Id > 0 && process.ProcessName.ToLower() != "system" && process.MainModule.FileName.ToLower() == serviceDetail.ExecutablePath.ToLower()) ... The problem is with the MainModule property, called at the end of the if statement. Internally, the MainModule property gets all modules for the process and looks for the main one. So, if the process has exited, the search for the process modules fails and we get an exception. In order to solve this issue, I test the HasExited property at first place. However, I still get an exception: "Cannot process request because the process (3248) has exited." Why this exception occurs if I have tested the HasExited property? Am I doing somethig wrong or missing something? Another exception is thrown too. Sometimes I get an "Access is denied" exception from this code piece. Does anyone have any idea that could help me? Thanks in advance. Ricardo Tag: Play and Play application Tag: 107450
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 - Checking that a file is not in the process of being copied How can I check that a file is not in the process of being copied ? I want to copy a file from a source path to a destination path, but if the file is in the process of being copied to the source path, then my code will fail. If it is in the process of being copied then my code needs to wait for the copying to finish. The code below is what I tried, but file.length returns the full file length, even when the whole file hasn't finished copying. Any ideas ? Craig Private Shared Sub CheckFileCopyComplete(ByVal filePath As String) Const MAX_TIME_IN_SEC As Integer = 60 * 5 '5 mins Const PAUSE_IN_MILLISEC As Integer = 500 '0.5 sec Dim file As New IO.FileInfo(filePath) Dim fileLength As Long = 0 Dim startTime As DateTime = System.DateTime.Now Do Until file.Length = fileLength fileLength = file.Length System.Threading.Thread.Sleep(PAUSE_IN_MILLISEC) If System.DateTime.Now.Subtract(startTime).Seconds > MAX_TIME_IN_SEC Then Throw New ApplicationException("Timeout waiting for file to copy") End If Loop 'file finished copying: move on End Sub Tag: Play and Play application Tag: 107445
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 - CodeDom - parses sourcecode into a tree? Hi, I've encountered the following problem: My input is a .cs file. The output I need is a parsed tree. I'd like to use CodeParser.Parse which Compiles the specified text stream into a CodeCompileUnit. ( http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfsystemcodedomcompilercodeparserclassparsetopic.asp ). However, it seems like there is no implementation of this function in the .NET framework. Is that true? is there no way to create a codecompileunit object from a sourcecode? If so, which parsers would you recommend? I checked a few, including goldparser and programmar. Is this the right solution, or am I missing something in the CodeDom solution? Thanks in advance, Engel Tag: Play and Play application Tag: 107443
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 - badPwdCount and old user passwords Hello, trying to authenticate my users against active directory in an webservice. Webservice is on an Win2K3 Domaincontroller for testing purposes. Therefore I have checked two methods: 1. I use the system.directoryservice method, with "LDAP" search path, username, userpass. 2. I use the LogonUser function in lib advapi32.dll. My domain policy says, that the useraccount will be locked after three wrong passwords. Also I set, that the users password may not repeated in 24 password cycles. With both methods i can check username and password. Both Methods working well for me. Supplying a wrong password will increase badPwdCount property in active directory and after the third wrong password the account is locked. But, I tested this behavior also with old, previous used user passwords. If I send an old user password the counter badPwdCount will not increased and so, the user will never be locked. Is this by design or a bug? I'am asking, because I expected if a user takes a wrong password, he will take one of his old passwords and not an totally different, wrong password. BTW: It seemed, that the badPwdCounter is readonly. I can't set it manually. Thanks ahead, Carsten Tag: Play and Play application Tag: 107435
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 - Can I write MFC application and without .net Framework with Visual C++ 2005 Express? Hello, I would like to learn MFC programming. However, Visual Studio is expensive. Can I write MFC programs with the VC++ 2005 Express but without bothering the .net framework? -- Best Regards, W. Jordan Tag: Play and Play application Tag: 107434
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 - UserInterfaceProcess AB and CompositeUI AB Hi, (I do not know which is the exact newsgroup for this post) I am doing application based on SOA. My client app is winforms and we are targeting it as smart client. I know about MVC in general. And I am puzzled how to go with MVC in my this Smart Client User Interface (winform based) app. First I see UIP AB and then CompositeUI AB. UIP AB looks additional complicated for smart client app considering Model part and interaction of model with other in MVC. While I like WindowsFormControlView because we do not have interfaces like series of Form instead one Form. Note I want to work striclty on Dot Net 1.1. Desc: I have an MDI app client side ui, which is a smart client that it only talks to server thru Web Svc (the most fundamental part of smart client apart from rest). SOA is already there. I want my Client UI MVC driven. 1) Dot Net + MVC = UIP AB (app block) 2) Dot Net + Smart Client + WinForms = CompositeUI AB (CAB) For 1) I can have separate controller for separate view (winform or user control) or one for all or ... Model is Web Svc. Or like on smart client there is only view and controller and model thing is web svc which is on server. Fro 2) I can have my UI as (user controls plus winforms) as smart widgets and achieve my objective through CAB. Now what you ppl suggest? Please advice. (Plus If I cannot use CAB can I make it source work on dot net 1.1 or at least can i see its Class Diagram Design?) Thanks --- hB Tag: Play and Play application Tag: 107430
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 - 2.0 Beta has no XML namespace Hi, I download and install VB.bet 2005 Express and also dotnet frame 2.0 Beta on my pc. I want to try XML functions, but there is no XML namespace under system!! Where is could I find it. P.S When I try to install dotnet frame 2.0, it indicates that I should uninstall 2.0 Beta first. After I unstall 2.0 Beta and install dotnet frame 2.0, VB.NET 2005 express cannot work anymore. thanks Tag: Play and Play application Tag: 107427
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 - 2.0 Beta has no XML namespace Hi, I download and install VB.bet 2005 Express and also dotnet frame 2.0 Beta on my pc. I want to try XML functions, but there is no XML namespace under system!! Where is could I find it. Tag: Play and Play application Tag: 107426
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 - Modem dial causes terminal services to disconnect hi, we are experiencing an issue on WS2003 where when a modem conneciton is dialed the terminal services connection is dropped, is there a workaround for this? Thanks David Tag: Play and Play application Tag: 107423
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 - Visual design tools and DAL in VS 2005 / .NET 2.0 Hi I wrote quite a few apps with .NET 1.0 and 1.1, which made use of a Data Access Layer, and also used the Microsoft Application Blocks for Data Access (v2). In VS 2005, there is a huge improvement in 'visually' designing the data access, and binding it to the controls on the form. I have 'played around' with the SqlDataSource component, which allows very quick, easy and simple access to a SQL DB. However, I have a couple of considerations, which I would like to get opinions on.... 1). If I want to use a common ConnectionString (ie. just have it coded in one place), how can I bind each of my controls to this connection?? (ie. I don't want to change 100's of controls if my connection string changes). 2). I want to keep in mind the 'Enterprise' way of doing things, via a DAL or Business Layer. Does anyone have any good source (C#), which shows the implementation of a Front end, DAL, and the component bindings. This can be using SQL commands, or Stored procedures, but I would appreciate details of Updates / Inserts etc, as well as simple selects (so that I can see the impact on Table Adapters etc). Thanks in advance Paul Tag: Play and Play application Tag: 107420
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 - HttpWebRequest / Response disconnect question Hi all, I'm trying to figure something out and not quite sure if I'm doing it the right way. First, the quick overview and I'll post more info if it's needed. On my web site, I've got an HTTP Module that serves binaries. It basically just reads them from disk and streams the bytes to the client. This works fine -- every 10k I check if the client is connected, and if so, read another 10k, etc. I have another process that pings a few URLs using an HttpWebRequest and HttpWebResponse. If the content type isn't plain text or HTML, I don't try to read the site content and instantly try to close the connection. I was hoping this would prevent the files from being downloaded (some are quite big), but that's not the case. If I debug both the web app and the pinging utility, I see the request made, and the first bit of of data is pushed to the app. The app sees the content type, and attempts to close the connection. The thing is, the close() call doesn't return until the module is done streaming. Each check to see if the client is connected is still returning true (which it is, since the client hasn't disconnected yet). When the module is done streaming the content, the close call in my app returns. Any Ideas? Happy to post more code. Ideally I want the close call to instantly sever the connection... Thanks! Tom Tag: Play and Play application Tag: 107418
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 - Q: how to do stable sort in ArrayList? Hello, Here is my problem: I have an ArrayList with duplicate keys. I 'd like to preserve the original order when sorting the list by using ArrayList.sort(comparer* c). However when the comparer returns 0 (meaning the two objects are equal), the order of the two objects are random or not preserved. I understand it's not a stable sort. I also tried to return just -1 in my compare class when they are equal. But this created a deadloop inside ArrayList.sort() for unknown reasons. Does anyone know to how get around this? Thanks. David Tag: Play and Play application Tag: 107409
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 - How to login remotly I 'd like to login into a remote computer that has a share . How can i do this using dotnet ? Tag: Play and Play application Tag: 107408
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 - Exporting Report About Crystal Report, i need to export it into Word File, in case i need to modify anything in the report LayOut as it is required by the user,becuse the kind of information raised from this report is not in the form of tables,and the user need to highlight or add any comment to the report before printing. Tag: Play and Play application Tag: 107407
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 - Process id=0x1c8(456), Thread id=0xb00(2816) I have a small home network one of them win2000pro server and one XP Pro won't let Automatic Update install the Microsoft .Net Framework 1.1 install all other update install fine on the win2000pro server after trying install it comes up st.20.tmp-Common Language Runtime Debugging Services Process id=0x1c8(456), Thread id=0xb00(2816) if I click on cancel no debugger found Registered JIT debugger is not available. An attempt to launch a JIT debugger with the following command resulted in an error code of 0x2(2).Please check computer settings ?(I don't know what setting) cordbg.exe !a 0x1c8 bin searching on the Microsoft help search came up to change the registry.......for .NET Frameworks I have the newest Norton system works and firewall and Antivirus scan all network drive's but came up with no problem there the same problem I'm getting on my xp pro now need some help for my school work. thanx Tag: Play and Play application Tag: 107404
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 - How to start ASP.Net application from console application? Hi, I have the following problem: I have a singleton class that I want to access from asp.net application. The trick is, that I want to create it (Singleton.GetInstance() for the first time) in console application. In other words, I want the following to happen: 1. start console application 2. create object 3. start asp.net and pass the object reference 4. after some time, user surfs to asp.net page, and sees some properties assosiated to that object. Can I accomplish that without using 2 processes (console and asp.net) and .Net remoting between them? Thanx alot, Mike Tag: Play and Play application Tag: 107397
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 - How to specify the filename when exporting from a servlet an XLS? Hi, I have a servlet that generates a report and exports it as XLS. When I open it in Internet Explorer I get the XLS report but the problem is that instead of the name I have set to the report I get the name of the servlet. For setting the name I use: response.setHeader("Content-Disposition", "inline; report.xls"); When I want to save the file, the file name is not report.xls as expected, but ReportGenerator.xls(the name of the servlet that generates the report) Even more if I use: response.setHeader("Content-Disposition", "attachment; report.xls"); everything works as expected. Anyone any clues? Thank you, Florin Tag: Play and Play application Tag: 107396
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 - Internet Explorer CLR Integration Are there plans to integrate the CLR with Internet Explorer? Could that happen in IE7, or will .NET only be distributed by Microsoft with future Windows (Vista) and previous versions' service packs? Also, does anyone foresee client-side scripting being handled by the CLR in the future... and would they even consider exposing framework libraries to an IE CLR scripting host. Or is this just garbage because windows forms controls can already be hosted in IE? -Andrew Tag: Play and Play application Tag: 107393
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 - dll in .NET and eVC application We have an application that is written in eVC 4.0. We are planning on writing a .NET dll in C# that can take advantage of regular expressions to do some address validation. The idea is that the eVC application would call the dll do the address validation. The question is: is this even possible? Can a non .NET application (in this case one that is written in eVC) interact with a .NET dll? Thanks in advance. Tag: Play and Play application Tag: 107391
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 - .NET dll and embedded Visual C++ Hi everyone, We have an application that runs on CE platform that is written in embedded Visual C++. Presently, we are thinking of writing a .NET dll (to take advantage of regular expressions in .NET) and having the application call this dll to do some address validation. The big question is: is it possible for an application written in embedded Visual C++ to call a dll written in .NET (using C#)? Thanks in advance. Tag: Play and Play application Tag: 107390

Hello Everyone:

I have and existing client/ server application that is written in .Net. I
recently got a requirement that we need to design a all future modules is
such a way that the user can choose to install a module of the application.
I wanted to know if there are patterns that can help me accheive this.

Thanks
PRaveen

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