Description for function in a custom class

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  - 1
    - Generate hardware code Hi, in order to protect my software using web activation, I generate a computer hardware code. I'm using the motherboard serial and CPU serial, with ManagementObjectSearcher class. This relies on WMI. On Win9x, since it doesn't support WMI, I simply get the windows volume serial, although it's not as good. But now the problem is. The user needs to be admin in order to get those codes! If the software runs under a guess account, it crashes. Any good suggestion? Thanks, Etienne Charland Tag: Description for function in a custom class Tag: 103775
  - 2
    - Directx and Compact framework hi everyone, i'm developing a .net application in c# for a windows CE based platform (so i use the compact framework 1.0). is there a way to make some graphical stuff (e.g. print a rectangle or a string) with directx with compact framework 1.0 (without use of pinvoke)? do you have an example of it? tnx a lot Tag: Description for function in a custom class Tag: 103773
  - 3
    - Connecting remotely to Oracle database without OracleClient installed Hello, I am developing a .Net (version 1.1) application in C# for which I need to connect remotely to an Oracle database server. To accomplish this I am using the .NET Framework Data Provider for Oracle (System.Data.OracleClient.dll). However, this application will be distributed to multiple clients so I do not want to require that they install OracleClient itself. Currently the application is throwing the following exception when attempting to connect to the remote database: System.Data.OracleClient.OracleException: ORA-12154: TNS:could not resolve service name The data provider is apparently attempting to find the tnsnames.ora file to resolve the service details, however this file does not exist as OracleClient is not installed. The application works fine when OracleClient is installed, but as stated, I do not want this to be a requirement. How can I connect remotely to the Oracle database server in the .Net framework without installing the OracleClient? Thanks in advance for any help. John Fleming jflemingnj@gmail.com Tag: Description for function in a custom class Tag: 103762
  - 4
    - return and finally Hi, I I have in a code like this : public void A() { try { DoSomething(); return; } catch { return; } finally { Clean(); } } When does the Clean() method is called if I have a return instruction in the try block ? Thanks, Steve Tag: Description for function in a custom class Tag: 103759
  - 5
    - How to use VB.Net functions in C# project? Hi, How can I use a VB.Net function in a C# project. Is there a way to call it directly from code? thx juvi Tag: Description for function in a custom class Tag: 103749
  - 6
    - copying files in windows service hai, i created and started a service to remote machines using vb.net. but i cant copy a folder with files in windows service using vb.net(remote machines) where that folder is shared in local machine. if anyone knows plz help us.. we need urgently to complete our project.. plz repli soon. lingam. Tag: Description for function in a custom class Tag: 103745
  - 7
    - Dear Mr Gates, A suggestion to make the CLR Ubiquitous Check out the article titled : Dear Mr Gates, A suggestion to make the CLR Ubiquitous at http://dreams2text.blogspot.com/ Tag: Description for function in a custom class Tag: 103744
  - 8
    - Decimal.Parse(string, NumberStyles.AllowCurrencySymbol) fails Decimal.Parse(money_str, NumberStyles.AllowCurrencySymbol) fails when money_str = "$22,000.00" (or any currency type string expression created with: money_str = String.Format( "{0:C}", my_Decimal_variable ); A Format Exception is thrown and states that the argument was in an incorrect format. What is the problem? .NET 1.1 VS2003 C# Win2k SP4 Tag: Description for function in a custom class Tag: 103742
  - 9
    - Active Directory Searching Error (0x80005000) Hi, when i try to call SearchResult res = srch.FindOne(); i get the following error: Exception Details: System.Runtime.InteropServices.COMException: Unknown error (0x80005000) I have tried changed the connection string LDAP:// but nothing seems to work. This code works fine from a windows based binary, with no problems at all. Only when placed in a aspx page does it suddenly not work. I've spend ages search google for anything, but there's not alot of solutions. Any ideas? Thanks!! <authentication mode="Windows"/> <identity impersonate="true"/> DirectoryEntry obEntry = new DirectoryEntry("LDAP://domain/"); DirectorySearcher srch = new DirectorySearcher(obEntry, "(sAMAccountName=Administrator)"); //srch.Filter = "(cn=Users)"; SearchResult res = srch.FindOne(); if (null != res) { Html += res.Properties["givenName"][0].ToString() + " " + res.Properties["sn"][0].ToString(); } Stack trace: [COMException (0x80005000): Unknown error (0x80005000)] System.DirectoryServices.DirectoryEntry.Bind(Boolean throwIfFail) +609 System.DirectoryServices.DirectoryEntry.Bind(Boolean throwIfFail) +0 System.DirectoryServices.DirectoryEntry.Bind() +36 System.DirectoryServices.DirectoryEntry.Bind() +0 System.DirectoryServices.DirectoryEntry.get_AdsObject() +31 System.DirectoryServices.DirectoryEntry.get_AdsObject() +0 System.DirectoryServices.DirectorySearcher.FindAll(Boolean findMoreThanOne) +73 System.DirectoryServices.DirectorySearcher.FindOne() +42 LoggedInUser.Page_Load(Object sender, EventArgs e) in g:\Projects\IceSky V2.0\Controls\User\LoggedInUser.ascx.cs:33 System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +15 System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +36 System.Web.UI.Control.OnLoad(EventArgs e) +102 System.Web.UI.Control.LoadRecursive() +47 System.Web.UI.Control.LoadRecursive() +131 System.Web.UI.Control.LoadRecursive() +131 System.Web.UI.Control.LoadRecursive() +131 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1064 Tag: Description for function in a custom class Tag: 103739
  - 10
    - Speedlimit with .NET sockets Does anyone knows if and how it is possible to limit the speed of a connection to some kBytes / s? Tag: Description for function in a custom class Tag: 103738
  - 11
    - How to install ASPNET 1.1 in Windows XP IIS Hi all... i have installed ASP NET 1.1 framework in my Windows XP PC that has IIS installed. when I try to create an application using Visual Studio 2003, it says that ASP NET 1.1 is not installed. How can I do it in order to enable ASP NET 1.1 in my PC? When I go to application configuration of IIS, it doesn't list ASPX extension Thanks Jaime Tag: Description for function in a custom class Tag: 103730
  - 12
    - EventLogPermissionAttribute PermissionAccess property setting acce The PermissionaAccess property is set using the EventLogPermissionAccess enumeration value Audit, Browse, Instrument, and None. The problem I have is the controlling powers want to only allow write access. The have a problem with users having read access to the application's log. I kmow this is silly, is there away to only have write access? -- Jim Tag: Description for function in a custom class Tag: 103726
  - 13
    - HowTo have list of keys for RegistryPermissionAttribute I am trying to define permission attributes for several keys in the Registry at the assembly level. The documentation for the Read, Write, and Create properties states that these property values are "A list of Keys and Values with paths for [read | write | create] access". The only syntax that builds is [assembly:RegistryPermissionAttribute(SecurityAction.RequestMinimum, Read="HKEY_LOCAL_MACHINE\\System\\CurrentControllerSet\\Services\\EventLog, HKEY_LOCAL_MACHINE\\System\\CurrentControllerSet\\Services\\EventLog\\MyLog")] Is this the correct method for lists of paths? The web service is terminating with "Server was unable to process request. --> Request failed." Now I believe the Windows Server 2003 registry setting are such that I don't have permissions for reading these keys, so is the Attribute correctly working or is the list bad. -- Thanks, Jim Tag: Description for function in a custom class Tag: 103724
  - 14
    - Can you please explain File Time Stamps to me? The code statements below are from the .NET framework using C#. However the question I'm asking is not specific to this environment. I'm asking for help in understanding file timestamps which are characteristic of the underlying filesystem. I'm getting all confused with the various types of filetimes; local and UTC if I understand that much correctly. FileInfo FI = new FileInfo(FileSpec); According to my understanding, I would expect FI.LastWriteTime.ToFileTimeUtc(); to be equal to FI.LastWriteTimeUtc.ToFileTime(); According to my (mistaken) understanding, the first gets the local LastWrite time and then converts it to a UTC FileTime. The second one gets the Last write time in UTC and then simply converts it to a FileTime. So why do these come out different? These two I understand: FI.LastWriteTime FI.LastWriteTimeUtc But these four, which use various combinations of local & UTC conversion are a mystery to me. Since LastWriteTime can be retrieved as either LastWriteTimeor UtcLastWriteTimeUtc Why do we need a ToFileTimeUtc at all? FI.LastWriteTime.ToFileTime FI.LastWriteTime.ToFileTimeUtc FI.LastWriteTimeUtc.ToFileTime FI.LastWriteTimeUtc.ToFileTimeUtc Are therse two simply invalid? FI.LastWriteTime.ToFileTimeUtc FI.LastWriteTimeUtc.ToFileTime Does it mean anything to pair local and Utc methods together in this manner, or is this simply illogical? Specifically, I need to compare the times for two files on separate servers. I'm pulling my information via Web Services and the two servers may be in different time zones. How can I get the last write timestamp from both files in a unified format so that I can see which file was written to more recently? Thanks for your help! - Joe Geretz - Tag: Description for function in a custom class Tag: 103722
  - 15
    - Can you please explain File Time Stamps to me? I'm getting all confused with the various types of filetimes; local and UTC if I understand that much correctly. FileInfo FI = new FileInfo(FileSpec); According to my understanding, I would expect FI.LastWriteTime.ToFileTimeUtc(); to be equal to FI.LastWriteTimeUtc.ToFileTime(); According to my (mistaken) understanding, the first gets the local LastWrite time and then converts it to a UTC FileTime. The second one gets the Last write time in UTC and then simply converts it to a FileTime. So why do these come out different? FI.LastWriteTime FI.LastWriteTimeUtc FI.LastWriteTime.ToFileTime FI.LastWriteTime.ToFileTimeUtc FI.LastWriteTimeUtc.ToFileTime FI.LastWriteTimeUtc.ToFileTimeUtc Specifically, I need to compare the times for two files on separate servers. I'm pulling my information via Web Services and the two servers may be in different time zones. How can I get the last write timestamp from both files in a unified format so that I can see which file was written to more recently? Thanks for your help! - Joe Geretz - Tag: Description for function in a custom class Tag: 103721
  - 16
    - list of months and days for each month is there a way in .net to pull a list of months, and then pull a list of days in the month. instead of retyping a control that lists the number of days for each month i was hoping it was already in .net. thank you Tag: Description for function in a custom class Tag: 103712
  - 17
    - caching in WinForm and ASP.NET I need to adding caching capability to our application and we "get" data from our business layer code ; so initially I wanted to use something in .Net framework that provided caching and found that the "caching" mechanism was implemented in System.Web ; initially I didn't want to add System.Web reference to our business object because it was used from our web applications as well as WinForm, console applications ; so I thought I would handle the "checking" to see if the business object was running in the HttpContext and then use System.Web.HttpRunTime.Cache (if in ASP.NET) or EntLib Caching (other) ; I wanted to test something, so I created a console application and a classlibrary ; in the classlibrary, I referenced system.web and added the following shared method: Public Shared Function GetData() As String Dim strCachedInfo As String = CType(System.Web.HttpRuntime.Cache("CACHEDINFO"), String) If strCachedInfo Is Nothing Then strCachedInfo = "Hello world..." System.Web.HttpRuntime.Cache.Insert("CACHEDINFO", strCachedInfo, Nothing, DateTime.Now.AddSeconds(15), TimeSpan.Zero) End If Return (strCachedInfo) End Function and in the console application, i referenced the classlibrary and called the GetData method... Console.WriteLine(ClassLibrary1.Class1.GetData()) to my confusion, it worked?? ; I don't understand why if the classlibrary was running in the "context" of the console process did i not get an exception when calling System.Web.HttpRuntime.Cache? I read that http context was implemented using System.Runtime.Remoting.Messaging.CallContext...does this have something with why this worked? am I not understanding the caching mechanism correctly? thanks for light you can shed on this!! Sunish Abraham Tag: Description for function in a custom class Tag: 103709
  - 18
    - client-side maximum string length enforcement When I was working with ASP/ADO, I would get the maximum string length by querying the system tables inside the mssql database. It wasn't the wisest thing to do, but it did let me determine the max string length for each of my textboxes, which kept me from writing updates that couldn't be successfully submitted because of strings that are too long. Now I have an ASP.NET client talking to a Web Service which gets it's data out of a MS SQL Server database. I don't really have the luxury of having the client ask the database how long it's strings are. So what's the proper way to get the string maximum length from the DB out to the client? Tag: Description for function in a custom class Tag: 103708
  - 19
    - Executing 2 Threads Hello Everyone, Iâ??m having a bit of difficulty with a threading scenario. Basically Iâ??m creating 2 threads and trying to execute them one after the other. The problem is that the second thread never fires. My environment is a bit complex, and Iâ??m wondering of thatâ??s what is working against me. At the top level I have s series of windows services running which all operate independent of each other. Each of these services operates on a timer and with each tick event will try to create an instance of a new â??Engineâ?? class. The â??Engineâ?? classes that are being created further instantiate â??Helperâ?? classes. Each â??Helperâ?? supports a â??Start_Moduleâ?? method which takes no parameters. When the â??Start_Moduleâ?? method is called the â??Helperâ?? class will perform various tasks such as updating records in SQL Server and or formatting data. Each of my â??Engineâ?? classes also support a method called â??Start_Engineâ?? which is responsible for instantiating my â??Helperâ?? classes. To further complicate things, each â??Engineâ?? class also supports â??Can_Stopâ?? Boolean method which will look at of each of itâ??s child threads to see if the Engine can be unloaded from memory by the controlling Windows service. So my main problem is that once I create and start the â??Engineâ?? class it will successfully create the 1st thread, but never get around to starting the 2nd thread. I appreciate any help or advice that you can give me on this matter. Thanks, Johnathan Rossitter Here is an example of the code Iâ??m trying to make work: using System; using System.Threading; namespace Utility { public class Engine1: Engine { Thread[] MyThreads = new Thread[2]; private Helper1 H1; private Helper2 H2 public Engine1() { } private void Checker() { H1 = new H1(); H1.Start_Helper(); } private void Cleaner() { H2 = new H2(); H2.Start_Helper(); } public override bool Start_Engine() { MyThreads[0] = new Thread(new ThreadStart(Checker)); MyThreads[1] = new Thread(new ThreadStart(Cleaner)); MyThreads[0].Start(); MyThreads[1].Start(); return true; } public override bool Can_Stop() { bool RetVal = true; for(int i = 0; i < MyThreads.Length; i++) { if(MyThreads[i].IsAlive == true) { RetVal = false; } } return RetVal; } } public class Helper1:Helper { public override bool Start_Module() { //Do SQL Stuff //Do Formatting Stuff return false; } public Helper1() { } } public class Helper2:Helper { public override bool Start_Module() { //Do SQL Stuff //Do Formatting Stuff return false; } public Helper2() { } } } Tag: Description for function in a custom class Tag: 103707
  - 20
    - When to use P/Invoke vs. Interop Hi, I was trying to learn more about when to use P/Invoke vs. Interop. The book I am reading says use P/Invoke when I am calling unmanaged Windows API function. Is P/Invoke only used with unmanaged API functions, or could I use Interop instead? To my understanding I could use Interop all the time but the advantage of P/Invoke is for performance reasons since it does not do type checks, etc. Am I correct? Thanks Ross Tag: Description for function in a custom class Tag: 103695
  - 21
    - Backup MS SQL server database to sql script I'm searching a tool to make backup of MS SQL SERver 2000 Database to sql script (with inserts). Do yoy know any tool to it ? Tag: Description for function in a custom class Tag: 103694
  - 22
    - strong name and versions i have an vb.net - enterprise serviced component that is using strong name and fixed version. a third party vendor is referencing my strong named DLL, and moves the resulting app (his exe/dll and my dll) to a production environment. when i make update to my DLL, i surely want to change the build number in the version if not more than that. but if i did not brake any interface/method i should deploy my DLL to the production/test environment directly. but then the third-party DLL that referencing my DLL wiill brake at run time. is there some guide-line/practice how to aviod such a third-party compilation? TIA for any info on the subject. Tag: Description for function in a custom class Tag: 103689
  - 23
    - Performance on .NET versus VC++ Version 6 Is there a performance difference if I build an application using one of the .NET languages versus building it using VC++ version 6? Is there a performance hit because we need to load the CLR? Another question are all the WIN32 Api's available under .NET? Is code written in .NET compiled or interpreted? Thanks in advance... Tag: Description for function in a custom class Tag: 103688
  - 24
    - Securing the desktop We have designed a Tablet PC application running on .Net 2.0. The Tablet PC is dedicated to the application, only that application is aloud on the tablet PC. Here is what we think: If we disable the windows taskbar and if there is only a shortcut to the application on the deskop, then, the only option remain to the user is to start the application. How can we disable the windows taks bar on the desktop? -- Dany Couillard, ing. Tag: Description for function in a custom class Tag: 103685
  - 25
    - Writing an Internet Explorer plugin (similar to the Google toolbar) Hi, does anyone know very roughly how to write a plugin for Internet Explorer like the Google toolbar plugin? I would like to know what programs I need to write the plugin (Visual Studio .NET???) and also if there are any decent books out there on this subject. I have trawled the web trying to find information on writing IE plugins but I can't find anything particularly useful, not even on MSDN! I've also trawled Amazon for books on this, but most seem to be not very good or just out of date. Is COM or DOM something to do with all this? Thanks, Amy. Tag: Description for function in a custom class Tag: 103678
- Next
  - 1
    - Oscommerce for .net Is there any free eqivalent for oscommerce .net Tag: Description for function in a custom class Tag: 103677
  - 2
    - getting error at time of XmlSerialization Hi Friends, My work is stuck up because of this unresolvable and unbelievable Error. I'm trying to Serialize my Class object using XmlSerialization. And at below line, I m getting "error File or assembly name xxxxxxx.dll, or one of its dependencies, was not found.." ///I got error at this point XmlSerializer xmlSerializer = new XmlSerializer(typeof(myObject)); Error: {"File or assembly name xxxxxxx.dll, or one of its dependencies, was not found." } As this is an IO error and I'm not using any external file. I am not understand why this is happen with my code. Thanks in advance.....waiting for your response. Thanks & Regards, Rushikesh Integreon. Tag: Description for function in a custom class Tag: 103675
  - 3
    - log4net performance Rolling my application from UAT to production. Want to know how much of a performance overhead would it be for the log4net's logging statement (log.info, log.debug) for an ASP.NET app running on IIS6/Windows server 2003? Tag: Description for function in a custom class Tag: 103673
  - 4
    - Async processing? Hello, I am sort of new to this aspect of .NET so please forgive me if that's a = FAQ. I have a Windows Form that has to perform a lengthy operation when the = user clicks a button. While the operation is in process, the user will not be able to do = anything else from the UI but I still want the UI to pump messages (so = it can be moved, etc.) What is the best way to implement it in C#? Thank you. Best wishes, Alex. --=20 Address email to user "response" at domain "alexoren" with suffix "com" Tag: Description for function in a custom class Tag: 103667
  - 5
    - Will .NET Framework 2.0 Run On Windows NT? Hi, simple question: will .NET 2.0 be supported, that is, run, on Windows NT 4? Just dotnetfx, not the SDK or Visual Studio. Whidbey Beta 2 can't be installed. Thanks, Gregor Tag: Description for function in a custom class Tag: 103664
  - 6
    - Version independent equivalent to the "is" operator... What is the best way to find out if a certain object implements any version of a specific interface? I have a plugin system in which plugins implement interfaces stored in strongly named assembly in the GAC. The plugins, which are dynamically loaded by the host, could potentially reference any version of that assembly. Do I need to manually search through the Assembly.GetReferencedAssemblies and compare based on Name+PublicKey? And once I confirm that it implements the interface, can I only use reflection to call its members? Nathan Tag: Description for function in a custom class Tag: 103662
  - 7
    - Upgrade v1 to v2 Hi all I have just upgraded my Win 2k3 Server from v1 to v2 of .NET Framework to facilitate a website I have built using VWD2K5 Express. The files are there and then I created the website but I noticed it didnt look for v2 .NET files but the original v1. So I manually changed the ispai file to the v2 version. So I now dont get the error of wrong version, but now it says The resource cannot be located (HTTP 404), but the default.aspx file is definately there. Anyone know the answer? Rgds and thanks in advance Tag: Description for function in a custom class Tag: 103659
  - 8
    - Com component in VS.net Hi, I have a question about a com component (.dll) in Visual studio .net. After I reference a com component, VS.net puts a wrapper on it and the new dll is in my bin folder. I notice that the com dll isnâ??t in that same folder. So, my questions are, after the wrapper is on the dll, do I still need the com component to run this app? If so, how can I tell after I reference the dll in my app what version and path the dll is coming from. And when I deploy this app, do I need to add the com component and register them? Thanks Andre Tag: Description for function in a custom class Tag: 103654
  - 9
    - Can't retrieve appSettings Hello. I'm creating a class library. I've added an App.Config that looks like the file at the end of this email. I've tried just about everything to retrieve the ConnectionString in the classes constructor but have had no success - I get "Nothing". I'm going nuts. How do I get the connection string? Thanks in advance, Mike Here it is: <?xml version="1.0" encoding="utf-8" ?> <configuration> <appSettings> <add key="ConnectionString" value="Provider=SQLOLEDB.1;Integrated Security=SSPI;Persist Security Info=False;Initial Catalog=SessionState;Data Source=DPWEBDEVHOST;Use Procedure for Prepare=1;Auto Translate=True;Packet Size=4096;Workstation ID=DP2243;Use Encryption for Data=False;Tag with column collation when possible=False"/> </appSettings> </configuration> Tag: Description for function in a custom class Tag: 103651
  - 10
    - InstallUtil.exe doesn't seem to honor <probing privatepath> settin I'm using Framework 1.1 and I'm having the following problem when trying to install a service. I have my auxilary assemblies in lower directory called Shared. I have specified the following in the app.config file: <runtime> <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1"> <probing privatePath="Shared" /> </assemblyBinding> </runtime> This works at runtime but for some reason if I attempt to register the assembly as a service I get the following error: The inner exception System.Reflection.ReflectionTypeLoadException was thrown with the following error message: One or more of the types in the assembly unable to load.. It is as if the assembly's dependencies aren't being probed correctly when using installutil.exe. This doesn't seem to make sense to me since I thought the probing was done in the CLR itself. Does anybody know what's wrong? Tag: Description for function in a custom class Tag: 103649
  - 11
    - threading synchronization problem I have this kind of construct: Somewhere in thread 1 ------------------------------------------------- SyncLock _objTxRxSync 'code to set some values in _objTxRxSync object If _objSignal.WaitOne(1000, True) Then 'do stuff when other thread signals Else 'do stuff when timeout End If End SyncLock Somewhere in thread 2 ------------------------------------------------- SyncLock _objTxRxSync 'code to set some values in _objTxRxSync object _objSignal.Set() End SyncLock -------------------------------------------------------------------------- The problem is that thread 1 never gives up the lock on _objTxRxSync during the 1000ms wait for thread 2 to access. The documentation states that if the second parameter for the WaitOne method is set to True, the waiting threat should give up the lock of the sync context and reaquire it when signaled. Why does this not work? I am using .NET v2.0 latest release. Is this a bug? Thanks Perry Tag: Description for function in a custom class Tag: 103646
  - 12
    - When to use Strong Names (sn.exe) Hi, I am new to COM's and I was wondering when do I use the sn.exe utility. I created an assembly in .NET (I did not create a strong name) and ran it using VB.NET and had no problems. Do I only use strong name when I have an older COM that integrates with .NET? Thank you in advance Ross Tag: Description for function in a custom class Tag: 103644
  - 13
    - When to use Strong Names (sn.exe) Hi, I am new to COM's and I was wondering when do I use the sn.exe utility. I created an assembly in .NET (I did not create a strong name) and ran it using VB.NET and had no problems. Do I only use strong name when I have an older COM that integrates with .NET? Thank you in advance Ross Tag: Description for function in a custom class Tag: 103643
  - 14
    - Window Service EventLog Hi, I am developing a windows service in c# and in the app I have three class's. The main one called Service1 and then two that I have added to the project. Now in the main one I created an eventlog. My service1 calls another class and I want to be able to write to that same eventlog but I error out when I call this writeentry method of the eventlog. What am I missing? I set a variable to the eventlog in question but not sure how I should set it so its not null in the called class. Jim Tag: Description for function in a custom class Tag: 103635
  - 15
    - Error with a DataGridView [vbExpress 2005] hello, in first I had to ask you to be understanding with my speech, because I am French... ;o) i have a problem with a datagridview. in first, here the hierarchy of my model of data : - MS Access Database - Typed Dataset - BindingSource - DatagridView i fill the dataset with data from 3 tables of the database. posting and navigation function. but when i try to add a new row in database the datagridview raise an exception which says that "-1" index is not defined. i am not able to define from which this error comes. data are written correctly in database. i fill again the dataset successfully but the datagridview don't want to show it ! what I understand less, it's that the error occurs only when the binding source position was not modified. if i move bindingsource cursor before adding row, there is no problem ! thus with the launching of the application I cannot add of new line. :o( from where can this error come ? thanks a lot in advance, Mathieu Tag: Description for function in a custom class Tag: 103628
  - 16
    - How to raise an event from my windows application to my windows service? Hi, I'm an experienced vb .net developer in windows forma. Now I'm trying to develop a windows service and I would like to know if it's possible to raise an event from a windows application developed by me to a windows service developed by me. I would like to do something like, when a user changes something inmy application I would like to fire an event to my windows service and make a log. Is this possible? If I'm not clear please make me know. Regards, Filipe Marcelino Tag: Description for function in a custom class Tag: 103620
  - 17
    - windows forms and arguments Hi, i am writing a project that uses a treeview as its main application navigation for the many parts of the program. i have one part when i need to display customer information in a child window, i thought i would be able to overide the new() in the form but this returns an error. my question is what would be the best way off passing a argument from the treeview to a form that i want to open? can somebody point me in the right direction Many thanks Simon Whale Tag: Description for function in a custom class Tag: 103619
  - 18
    - Socket Connection Hai...I have a socket program. Let say I have IP from 125 to 129. When this problem happens I get the following situation. I capture what ever is being send to the socket. #Error [9/14/2005 6:28:21 PM] [126.126.226.129] ::A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond Error: 5 [9/14/2005 6:28:44 PM] [126.126.226.129] ::A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond Error: 5 [9/14/2005 6:29:08 PM] [126.126.226.129] ::A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond Error: 5 [9/14/2005 6:29:31 PM] [126.126.226.129] ::A connection attempt failed because the connected #Error IP 129 is really communication down... But all other IP 125-128 is working.... and when use hyperterminal we can get connected and communicate with the device. But from the system we only see the communication down IP that is 129 as shown on the examples above. What happen to the data for 125 -128. I confirm that these device is running fine and is still connected but we cannot receive anything. Anyone knows why this happen? Is it a cache problem or a memory overflow problem in .Net? Please asists. Thank you. Tag: Description for function in a custom class Tag: 103618
  - 19
    - System.OutOfMemoryException in EnterpriseServices We are experiencing an System.OutOfMemoryException in our application (see exception message below). We have a physical 3-tier environment. Server is Windows 2003 Server, client is Windows 2003 on Citrix, but problem also occcurs on Windows 2000 running both client and server process on teh same computer. Both configurations have sufficent free memory. The error is raised in the .NET Enterprise Services code, and is trapped in the client. The call sequence is as follows: 1-Client.DoSearch() 2-. 3-. 4-Try 5-DatasetObject = Server.Search() 6-Catch 7-ex message 8-Server.Search() 9-. 10-. 11-return DataSetObject Line 5 executes, server routine at line 8 ok, runs until line 11. Line 11 returns, and then client jumps to line 7 with OutOfMemory exception. It fails (mostly) consistently on a dataset object that is approximately 60mb, however I can make it also fail by constantly calling the Server.Search routine with smalling Datasets (i.e. 5mB) until it fails. It seems to me there is a problem in the memory management in the Enterprise Services code. I get the feeling that it is working with an upper limit of allocated memory, that is somewhat less than the memory available on the server. And maybe this has been fragmented. Any help much appreciated. Mark Stern Exception Message: ------------------- 10.08.2005 17:04:54 System.String RemoteDispatchNotAutoDone(System.String): Exception of type System.OutOfMemoryException was thrown. at System.EnterpriseServices.IRemoteDispatch.RemoteDispatchNotAutoDone(String s) at System.EnterpriseServices.RemoteServicedComponentProxy.Invoke(IMessage reqMsg) at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type) at Kodavet.Business.BusinessObjectManager.Search(SearchRequest& srcRequest) at Kodavet.RegionalVetOfficeClient.Main.DoSearch(enmSearchType SearchType, String strSearchString, Filter& oFilter, DisplayOption& oDisplayOption) Tag: Description for function in a custom class Tag: 103617
  - 20
    - Current framework version Hello, Can someone tell me whats the latest version of the .NET Framework 2.0? Is it still Beta 2 or maybe RC1? At PDC, people were given Visual Studio 2005 RC1, so I assume the version of the framework on that DVD is RC1, right? On the MSDN site, you can download only the Beta2 version. Is is safe enough to install Beta2 or RC1 version of the 2.0 Framework on the machine running 1.1? I know they can run together, but is it safe in this stage? Thanks. Tag: Description for function in a custom class Tag: 103616
  - 21
    - httpWebRequest Protocol Violation Have a code sample to do a basic httpWebRequest, post some data and get an xml doc response. Works great in 1.1, tried with beta 2 and generates a Protocol violation, tried adding the useunsafeheader.... = true in the config, no help, actually created an assembly in 1.1 and used in 2.0 project and still had a protocol violation. The stacktrace looks like its in the WebResponse.CheckProtocol() I am confused why this works in 1.1 and not 2.0, are their additional configuration options for 2.0. Thanks, Brian Tag: Description for function in a custom class Tag: 103609
  - 22
    - Why garbage collector? This might sound stupid, but I really need to know why we need another language with garbage collector? With C++ destructor, everything get destroyed without to worry about them. And because memory is not the only system resources, the concept of destructor fits well into object oriented programming practise. For instance, if Java with reference counting and without GC exists: // With destructor and reference counting try { Statement stmt = conn.createStatement(); ResultSet rs = stmt.query("SELECT * FROM table"); // Do something } catch (Exception e) { // handle exception // rs and stmt went out of scope and destroyed } // With garbage collector Statement stmt = null; ResultSet rs = null; try { Statement stmt = conn.createStatement(); ResultSet rs = stmt.query("SELECT * FROM table"); // Do something } catch (Exception e) { // handle exception } finally { rs.close(); // What if createStatement() throws an exception and rs is null??? stmt.close(); // Can you be sure that stmt is not null??? } As you can see, GC only free programmers from handling memory but force programmers to worry about other resources like file, database connection, socket connection, etc. Why don't they implement a reference counting language instead? We don't need another language like Java. Tag: Description for function in a custom class Tag: 103606
  - 23
    - creating .msi question. Hi, I would like to create .msi file that asks for product key/activation key/ licensing key for my class library. My plan is to provide a licensing key during the installation of my class library and validate its usage at run-time. Can you suggest me, how I can do this with Visual Studio.NET 2003. Cheers, Naveen. Tag: Description for function in a custom class Tag: 103605
  - 24
    - Anyone know how to add a "Debug window" in own app Hi, guys we all using the VS.net IDE's debug window, such as "Watch window", "Auto window". but anyone know is any way or API provided for us to include a debug window in our own app? looking forward the replied, thanks guys -- Can You?You Can. Tag: Description for function in a custom class Tag: 103601
  - 25
    - [Thread-Safety] Lock Object I have an application log file class which is used throughout the app, potentially by multiple threads. It's a singleton. Here're the relevant parts: sealed class LogFile { #region Singleton functionality public static readonly LogFile Instance = new LogFile(); static LogFile() { } #endregion StreamWriter streamWriter; readonly object streamWriterLock; LogFile() { #if TRACE streamWriterLock = new Object(); FileStream fileStream = File.Open(...); lock (streamWriterLock) { // lock for write memory barrier // (not sure whether this is needed) streamWriter = new StreamWriter(fileStream, Encoding.ASCII); } #endif } public void AddEntry(string text) { #if TRACE lock (streamWriterLock) { streamWriter.WriteLine(text); streamWriter.Flush(); } #endif } } Now, obviously I lock in AddEntry for atomic writing to the file. But my question is: should /streamWriterLock/ be volatile? There could be a situation where, for example, thread A and thread B are both running, and thread A accesses Instance thus creating the instance. Then thread B accesses it. Would thread B definitely see the right value for /streamWriterLock/ in this case? Tag: Description for function in a custom class Tag: 103599

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Hi.
I have a class project (VB) with some public shared functions on it.
But as time goes on the class project keeps growing and growing... is =
there a way to add custom "intellisense" descriptions as the built-in =
.NET functions?

So insted of showing:

custom_function(param1 as int, param2 as string)

Shows:

custom_function(Your name as string, Your age as integer)
This function says you are to old =3DP

Tnx!!!!
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charset="iso-8859-1"
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<!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 6.00.2800.1515" name=3DGENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY>
<DIV><FONT face=3DArial size=3D2>Hi.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>I have a class project (VB) with some =
public shared=20
functions on it.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>But as time goes on the class project =
keeps growing=20
and growing... is there a way to add custom "intellisense" descriptions =
as the=20
built-in .NET functions?</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>So insted of showing:</FONT></DIV>
<DIV><FONT face=3DArial size=3D2><STRONG></STRONG></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2><STRONG>custom_function(param1 as int, =
param2 as=20
string)</STRONG></FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Shows:</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2><STRONG>custom_function(Your name as =
string, Your=20
age as integer)</STRONG></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><STRONG>This function says you are to =
old=20
=3DP</STRONG></FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Tnx!!!!</FONT></DIV></BODY></HTML>

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