Hi All, I have a Form1 that includes a menu. When I open a Form2, using the menu, the use of Form1 must be blocked. As can I do that? Thank you ...more >>

Hi Some design queries on Abstract Class abstract Class thomson { abstract void MyMethod(); virtual void NewMethod() { } } When in the base class i extend the above Abstract class , you have to implement the MyMethod , and may be you can override the...more >>

Hello, I need an sample program to connect mysql server by using odbc. thanks in advance ...more >>

Hi, there is a logging service called "log4net". It uses namespaces such as "log4net" and "log4net.Appender". If I am writing my own software, would it be considered bad style to use namespaces like log4net and log4net.Appender in my own code (given that log4net is well-known product)? ...more >>

When the user clicks on my Exit menu command I call Close() followed by Application.Exit(). The GUI goes away as expected but the process is still listed in Task Manager. What do I need to do to really terminate the process? ...more >>

Hi, I got a client and Server. Whenever Client click the button "Check for Updates" it will be querying Server for updates. Since Server support many versions, it have a list of versions it supports. Now my question is what is the best way to compare client version with server ...more >>

I'm a VB.Net developer trying to learn C# but there are some strange differences that none of the books or articles I have cover. For instance.... SqlConnection connCP = new SqlConnection(); connCP. When I type that last period in VB, Intellsense shows me all of the properties, metho...more >>

Hi Everybody (especially Microsoft), we build EMF files with rotated text for export to office (powerpoint, word). It is planned that the text can be edited in the office document. Without the rotate transformation the text stays as a block and can be edited in the office document after ungr...more >>

In the callback I need to call an event letting the calling form know that the operation completed. If the operation fails, the main form needs to show another form. The problem I get is when the Callback returns it hangs the app. Here's the callback: private void Callback(IAsyncResult ar)...more >>

Hello, I have an application and dll both written in C#. The application uses methods and properties in the dll which works fine so far, but I wasn't able use out parameters in methods call. I use the following structure to call the methods: Assembly asmblyDll = Assembly.LoadFrom("theDll.dll")...more >>

Hi I want to create a ui-less user control which appears in the designers tray area (like timer-control) using VS2005. I figured out how to bulid user-controls with ui, but dont know the best practice for buliding ui-less controlls. Somebody con help ? Thanks Michael ...more >>

Hi All, Does anyone know if it's possible to hook into the DUN API from C#? Any pointers in the direction of info would be appreciated as well :) -- Chris Crowther Developer J&M Crowther Ltd...more >>

Is it possible to create a windows form as an abstract class? Let me explain ... I am writing a windows applciation where I will need around 100 dialogs - each with a similar look, feel, and functionality (or controls) - but all a little different. Thus, if I create a windows form as an...more >>

File - New - Web Project (or web site item ) disappeared suddenly :) I am using vs 2005 professional edition , IIS etc. services are working fine. Other items lest on this menu are : Project File Project From Existing code. 3 daysa ago there was another item. how can i get it back ? ...more >>

Hi I would like to view certain variables during run time and find the Console.WriteLine which write to the visual studio command window not very useful, either i cant see what is displayed until after my app finishes or i cant see it a all. I therefore want to make a command window (you...more >>

Hi In VS2003 when browsing te class view window it was easy to add an override to the sourcecode . I do not see this functionality in VS2005 ? Cant find it in the help either. ...more >>

Hi This is Vishal this side.I have been trying to create a new sample website using the new Membership Provider Class. Now when I try to a create a new website and then hit on the Website Administrator Tool and then hit on Security I get this error "There is a problem with your selecte...more >>

All, Using VS 2005, C#.NET, SQL Server 2005, W2K3. We are developing a web application that would be shared by numerous customers for information management. Some of those customers want variations on the usual form layout. For example, we have a form where the user can enter their depe...more >>

Hi, I'm trying to upload some files via a form, and I have managed so far to save the files on the server in a temporary directory using: HttpPostedFile.SaveAs(string filename); This is a necessary stage as I need to perform some tests on the file before allowing it to be saved to its...more >>

Hello, Can someone tell me if it is possible to use Ghostscript from C#? I would like to create thumbnails from several PDFs. TIA...more >>

for some reason I continually get an invalid structure size when I call RasDial. here is a little code snippet I would really appreciate it if someone could give me a hand with this, I'm stumped. Here is the structure that keeps giving me the error: [StructLayoutAttribute(LayoutKind.Sequential...more >>

Are there special conditions under which Edit and Continue works? I always get this message: Changes are not allowed while code is running or if the option 'Break all processes when one process breaks' is disabled. I have the above option checked. Any suggestions? Thanks, Brett ...more >>

I am writing a small GUI tool in C#, and I want to experiment some fancy trick as follows: when the user click on a "OK" button, the code will initiate a "Drag and Drop" operation in the GUI itself to itself (i.e. drag some fake object and drop to the tool itself). I am new to .Net programming...more >>

The following code throws a out of memory exception, I have another function that does the same thing using the bitmap lock but its way slow. Anyone know how to fix this one? public static Bitmap GetClonedBitmap(int width, int height, string str, Font font, StringAlignment Alignment) { ...more >>

Hi, I'd like to have a function returning the current time of a remote computer. How could I do this? Thanks. ...more >>

Please, can someone please tell us how to call a webbrowser control (navigate2 or navigate) from a worker thread safely? I have stepped through tutorials on the web about delegated calls and invoke methods but they don't make much sense to me... and all of them seemed overly done just to ...more >>

Hi When the remoting server starts and the client immediate begins calling the remote object on the server no problems. But when the client does not need to access the remote object for some time the connection seems to be broken on the next attempt to do a call to the remote object on the s...more >>

Look at these two classes public class Test { public readonly string Name; public Test(string name) { this.Name = name; } } public class Test2 : Test { } What annoys me is that trying to execute the following code gives me an error that Test2 doesn't have a ...more >>

what are static and dynamic assemblies with differences between them ...more >>

[I've also asked this question in microsoft.public.dotnet.languages.csharp, and microsoft.public.excel.programming. If there is somewhere else that may be able to help, please point me in the right direction!] I've created a DLL in C# (VS2005, using .NET framework 2.0) for use with Excel XP ...more >>

Hi, I am trying to load my items from Database to a Treeview but i have faild My table contains id, parentId, nodeName like following: (1 , 1 RootNode) (2 , 2 , ParentNode) (3, 2 , Child_for_2) (4, 4 , AnotherParent) (5 , 2 , anotherChild_for_2) (6 , 4 , Child_for_4) M...more >>

Hi all, I have a little problem. I'm watching a directory on a server for a FTP file to come in. I'm using FileSystemWatcher to catch the file create event. Most cases this work fine. However sometimes when the FTP is slow I get a error because another process is using the file. This is ...more >>

Hi all, I need to let the users of my windows app select the Sql Server and database they want to connect to and enter their Sql userid and password. Is there a control available either in Visual Studio 2005 or by any third party vendors to do this? Thanks in advance. ...more >>

Hi, Is there a resource that lists where a control's variables are put? VC puts data such as a ListView's Items in fields that bear no resemblance to the programmer's view. After documenting them for V2003 I am in the same boat with V2005. MS has done an even better job of hiding them in V2...more >>

Hi all Does anyone here have to use VS on a machine that has "on-access" virus scanning? We have Read/Write scanning turned on on our desktops and we're pretty sure that it is killing VS and pretty much any other app. We use VS at home and it's blistering, and our machines at home are a...more >>

[After having no replies in vstudio.general trying a repost in languages.csharp] I'm looking for som help on what is wrong with my installation of VS2003, which cannot open/create C# projects. After a HD-crash I have re-installed visual-studio 2003. I have used The visual studio-installer,...more >>

My customer has many CR created using other CR versions than the one in VS2003. I have been trying to do it, but keep getting errors. It seems I can't override the report settings like reportsource, and others. Is there a way to integrate those reports in a ASP.NET application without recr...more >>

Can any one give me a few examples of commercially available apps written in C#? ...more >>

hi I get an error saying namespace Form1 not found and Error 4 Argument '1': cannot convert from 'Form1' to 'System.Windows.Forms.Form' I:\My Documents\Visual Studio 2005\Projects\Betting Monitor\Betting Monitor\Program.cs 18 29 Betting Monitor in the code using System; using System.Collections...more >>

Why can't you place static methods in an interface? For example, if I want an uniform manner to create instances of classes that implement my interface I'd like to put a static factory mehtod in the interface. However, this is not possible as the interface does not allow static memebers. I...more >>

Hi, Am trying to implement a encryption-decryption system beween, Windows and Linux. and am planning to implement it in .NET. Please guide me and suggest some references. Thanks....more >>

I am new to C# and to structs so this could be easy or just not possible. I have a struct defined called Branch If I use Branch myBranch = new Branch(i); // everything works If I use Branch (myBranch + x) = new Branch(i); // it doesn't x is a loop iterator, i is an int for the constructor to ...more >>

is it preferred to access member variables directly in code, on the page that declared them, versus going thru a property accessor? I would think that since theres no security concerns or anything it would be more efficient to access directly. I also don't think that you would need to do any...more >>

I want to convert a byte array to a string or text to write it out in a multiline textbox. I've tried encoding, and converting but end up with nothing in the textbox. The strange thing is that it writes out fine to a text document using StreamWriter. So I have this tcp/ip app that receives...more >>

Hi, All I use VS 2005 to create a web service. The web service is used to create a sheared folder. It works fine we I run it from VS 2005. But, when I move it to inetpub, it does not work (folder is created but is not shared). Does anyone know how to solve this problem? Thanks. ...more >>

Hi, what I'm working on right now is putting my old C++ code into a DLL, and accessing it from a C# application... but I'm running into some problems. I need to pass and receive strings from the DLL, but the data isn't comign through right. Here's a little test I made: In the DLL: bool __...more >>

hi i am working on dicom image.this is code which gives exception on "System.Drawing.Image imgInFile = System.Drawing.Image.FromStream(new System.IO.MemoryStream(destPixels ) " ..The exception is "System.ArgumentException: Parameter is not valid." could any body help me i am waiting for help ...more >>

Hi, All my exceptions keep showing up in Swedish which makes them more or less impossible to understand because (1) googling for the swedish error message typically gives you zero hits, and (2) translations of exceptions in package X seem to be made by someone that does not fully understand...more >>

Hi I do have an Interface, which is implemented in lot of places, My question is i observed that After quite some time if i need to add a new method in the interface , i need to do a lot of rework in lot of places , So i do see a flaw in my design, How best we can avoid this situation Tha...more >>

I have the following string: <CardDetails>4561</CardDetails><Message Identifier>1</Message Identifier><TID>88888888</TID> I need to be able to extract the values from the tags easily in C#. Being able to search through this string at any point for a partiuclar tag would be useful. Can ...more >>

The following code never finds a matching row even when one exists. It appears that the method thinks there is only one value being passed to the method even though the object array that is passed has 2 elements, and both elements have values. Any ideas? if ((dsReturned.Tables.Count > 0)...more >>

Hi, I'm developin windows forms app in c#. I would like to use Ansi C algoritm in one of method of my app. Can I do that? ...more >>

Hi, I'm creating a control that overrides ListView and so I'm working on redrawing everything myself with some changes here and there... But I'm having a problem with drawing the text inside the rectangle on LargeIcon mode... I thought I'd finally discovered the solution with TextRenderer b...more >>

Hello, I have an application running some threads which all get a name using the Name property. In Visual Studio 2003 when a thread exited the name is displayed in the "The thread foo has exited with code " when the threads name was set to "foo". Now in Visual Studio 2005 the message always use...more >>