hi again, here is my problem again: i have a typed dataset dsA; an adapter adapterA; here is structure mydataset dsA; odbcdataadapter adapterA; ..... ..... private form_Load(object sender, System.EventArgs e) { Thread thr; thr = new Thread(new ThreadStart(PreLoader)); thr....more >>

Hi, I am facing problem with the use of the stackframe and stacktrace for the exception hadling with Windows service. Can any one please tell me how to use of the above objects (stackframe and stacktrace ) in Window service. Thanks and regards, Avinash....more >>

Hello, Can someone guide me in how i may process a multiple selection on a databound checkboxlist? The checkboxlist is bound to a table of product category. The product category id is an FK in the product list. When multiple selction are made on the checkBoxList, how may i best process ...more >>

hi, in C# how can execute an external program. Exp: is there something like Execute("notepad.exe") if there is, which namespace(s) required. 10x.... ...more >>

I have the following code in one of my programs; ert= CO3; int Code = SR(ert, 1024, 1024); char[] UnsafeTempBuffer = new char[128]; fixed ( char* tBuffer= UnsafeTempBuffer) { Code = Siofunc(tBuffer, 128); } When I try to compile I receive...more >>

I feel like a bonehead because this seems so easy. I have 2 forms in the same namespace, Form1 and Form2. Form1 is a MDI Container. Form1 has a status bar : statusbar1 Form1 has a basic menu : File -> Show Dialog Form2 is a form with a checkbox on it. Form2 is shown via ... WindowsApp...more >>

How can I work with fields in Unicode? Thank you ...more >>

How can I get size of file on http resource? For example I want to get the total size of the file which is located on http://mysite.com/myfile.zip. ...more >>

Hi All, Am getting frustrated trying to port the following (pretty simple) function to CSharp. The problem is that I'm lousy at Regular Expressions.... //from http://support.microsoft.com/default.aspx?scid=kb;EN-US;246800 function fxnParseIt() { var sInputString = 'asp an...more >>

hi all i want to listen to a port to get the data passong throught it for example to listen to port 80 to see all data the computer is receiveing throught the http how can i do that in dotnet. thanx ...more >>

Hi, I am writing a program that will send emails to our customer. During test I don't want to send real emails. Is there a way to send it to an SMTP server so that it does not actually forward them to the actual recipients....more >>

Hi I need to do some programming on geographical maps, e.g. highlight a certain section of a road, moving an object along the road, etc. Is C# capable of doing these with GDI+? Thanks Yuelin ...more >>

I'm doing a kind of file explorer with some additional funcionalities. The problem is that I'm not able to draw file extension icons in a ListView. I know how obtain icons, but when I try to draw file icon, this isn't showed. I tried to do by two ways: 1- By creating the ListViewItem and add...more >>

Hello, I'm looking for a control allowing me to use a Flash file (.SWF) in C# For example, to let me know what is the duration of the Flash, its size or whatever available properties. Do you know of any control (from Microsoft or others) of this kind ? Any link ? Thank you. -- Cec...more >>

Hi all! I´m building an asp.net application and want to use a login for this. I was thinking about using a separate database for user identification and then redirect to a different database, depending on the user information. Lets say that user1 shoul be redirected to company1 database a...more >>

I have a Datagrid that is inside a panel. I want to use the keyDown event to reconize the arrow keys. But I have no luck at all. The problem is that the keydown event won't fire at all, unless I click on a row (withs will turn blue then) and then click on it again . Now if I press any key the ...more >>

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How do I run a javascript on a servercontrol (button). (It has to be a servercontrol, because I am using CultureInfo on the button) regards Rehiaa ...more >>

I need to figure encoding or code page of a file programmatically. Also I was asked to figure out what was the original encoding of different records stored as Unicode in SQL Server table. So, these records can be outputted to different files with original encodings. Can it be done? By the ...more >>

Current I have a method I use like this... public static void WriteToComp(string x) { } It is located in the code for Form1. Whenever I want to use this code from any other form I have to do this... Form1.WriteToDatabase("data"); Is there a better way I should be doing this? It...more >>

I downloaded the beta Express 2005 edition. could some one tell me where can i download the professional editon? thank you....more >>

Hi I have been trying to open Excel 2003 but I am having rotten luck. Just can't see to get it working. I looked at this article... http://www.codeproject.com/csharp/csharp_excel.asp?print=true Anyone have any ideas?...more >>

Hi. I have a problem with sending a struct from managed C# into an unmanaged C code. I'm getting nullreference exception. Tried below solution with ref also. struct in c looks like this: typedef struct { int width; int height; int x_adv; int y_adv; int bpl; } iT...more >>

I wrote my program with visual c#2005 so it s written with .net framework 2.0 but after that i take my code and compiled with visual studio .net 2003 it was working good until today. Today i deleted the .net framework 2.0 and i took this error when my program executed [b] An unhandled exc...more >>

Not sure what to call this, but I have a series of User Controls that display the days of the week. Usually using a set of radio buttons. Works very well. I display the user controls in a form and typically allow the user to select only a single day within a single week. There are at times, up...more >>

Hello all I'm currently converting me and our code from VB.NET to C# for the company I work for. I have an VB.NET interface that has an excerpt like this: Public Interface ISensorCameraSettings .. .. .. Property Exposure(ByVal ChannelName As String) As Single Property Gain(ByVal Cha...more >>

Hi, I have a FileSystemWatcher object to monitor one certain folder on server. FileSystemWatcher watcher = new FileSystemWatcher(); watcher.Path = @"C:\MyFolder"; watcher.NotifyFilter = NotifyFilters.LastWrite | NotifyFilters.FileName | NotifyFilters.Size; watcher.Filter = "*.txt"; w...more >>

Hi, The msdn doc for MemoryStream has two conflicting statements about accessing a MemoryStream's buffer after it's been closed: The buffer is still available on a MemoryStream once the stream has been closed. But later it says: Attempting to manipulate a stream after it has been...more >>

I am writing a desktop application and I nedd the user to go threw a wizard to set up the program. Are there and examples out there? -- Helixpoint LLC. http://www.helixpoint.com ...more >>

Hello all, I was wondering... Is there a way to create a Array so that I can call a value with a name i.s.o. a index number? Something similar like a DataTable. This is what I want: Declare a array of some sorts, private string[,] test; .... I don't want to get the value by saying: test[0...more >>

So this is ok: class foo { int myMethod(string, int) { ... } int myMethod(string, double) { ... } } But this is not: class foo { int myMethod(string) { ... } double myMethod(string) { ... } } The compiler complains "Class 'foo' already defines a member called 'myMetho...more >>

How do you print preview a crystal report in C#.NET? Thanks. ...more >>

I am working on an issue where and ASP.NET web application on one computer (A) needs to access files on a network mapped drive (B). This application uses as DSN on (A) that maps a proprietory ODBC driver to data on a (B). The DSN directory path points to mapped network drive mounted on (A)...more >>

Hi 1) I want to create a TabPage class in design mode - how do I do it? What type of project should I use? Is it going to be a custom control? 2) I have a TabControl that I would like to add to it the TabPage created in step 1. I don't want to draw the TabPage on the Tabcontrol in design mode,...more >>

I code in C# ... could someone explain what Type is being returned by the VB.NET property below? I'm confused because the _session object is of type Hashtable, and the Session is of type System.Web.SessionState.HttpSessionState. The both appear to implement ICollection, but don't you have to...more >>

Hi I have a Windows Form that I have 3 textboxes and some buttons. Below is the code that I have implemented it reads a pile of files from a folder and then reads each of the files. If the McAfee Dat file version is old (older than 15 revisions) then it will output the machine name, Scan...more >>

Hi. I am missing the ability to use 'CTRL-SHIFT-F' shortcut key to search files in visual studio. It shows no shortcut key combination on the file menu for Edit->Find & Replace->Find in Files. It's just blank. How do I assign '...Find in Files' with that shortcut key combination?? Others...more >>

Hey all Here is my question Consider two classes Class A : SomeSystemClassA Class B : SomeSystemClassB Now I have to add a common interface to both class A and class B. The way A and B are derived I cannot add a common abstract base class for them. So I do Class A : SomeSyst...more >>

Hi, I want to make a class that acts like an "object factory", that creates objects all inherited from a root class called MyBaseObject. To create objects I want to use a method in which I pass in the first parameter the object type I want to create, and in the second parameter (an output pa...more >>

I have been playing around with C#, and rading some books: "Understanding ..NET" by David Chappell, and "Fast Track C#", by Wrox. The Chapell book does not mention any code that has a class being declared as public, and with no problems having that class be accessed. The Wrox book says that ...more >>

Hi, Please can you tell me, how exactly I can derive my custom class from XmlElement for addind some methods. I get the error: XmlElement is inaccessible due to its protection level. *** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...g...more >>

Hi, I would like to convert HTML documents in an appropriate text document. Is this possible to do in an easy way. Thanks...more >>

Hi I am trying server request/response program using socket class. here i couldn't send headers with the request to the proxy server.when i send the request i should able to get the response from the server. if u have any idea please help me out. Regards request. -----------------------------...more >>

I have a static object that gets referenced at application startup. This object stores a dataset and various strings to be used whenever required. This object may be called at anytime to provide the data and strings, but can be waiting for any length of time period i.e 24hours (this is not a...more >>

I have noticed that when I uninstall my app it doesn't delete the Program Files / MyApp folder if there are "new" files in it that weren't there before. It deletes all files except the "new" ones. Is there a way to make an uninstall so that it just completely wipes out my Program Files / MyA...more >>

Guys I am writing a program which reads the first cell of many Excel spreadsheets and then takes some actions. The problem that I am experiencing is that each Excel instance I create persists in memory, meaning that after a while the machine freezes. Any help would be greatfuly recieved. ...more >>

Hi, I would like to programatically resolve aliases to the actual type, eg. int to System.Int32. Essentially, I would like to do this: Type t = Type.GetType(ResolveAlias("int")); if (t == typeof(System.Int32)) : else if (t == typeof(System.Int64) : else if (t == typeof(System...more >>

Hi, i have a windows application. This application uses a object that its of type collectionbase. For other hand i have a ListBox, and i use this collection to fill it. I have implemented the methods (in my class that derives from collection base): //to get an element from collecti...more >>

Is there any advantage in C# over VB.NET ? Or the difference is only syntax ? Can anything done in C# which cannot be done in VB.NET? ...more >>

Hi, It is my first time to use C#, and i struggle with my code with wininet api. Declare API: public abstract class WinInet { StructLayout(LayoutKind.Sequential)] public struct INTERNET_BUFFERS { public UInt32 dwStructSize; public IntPtr Next; public String lpcszHeader;...more >>

My software will be installed on peer-to-peer networks and sometimes 2000/2003 domain networks. How can I get a list of the computers on the network? My goal is to search each of these computers for a particular shared folder. Thanks. ...more >>

I am using the Guid.Empty value ("00000000-0000-0000-0000-000000000000") to represent a special meaning. The problem is that I don't know if there is a chance that a command like "Guid.NewGuid()"would generate a Guid.Empty value could this be possible or is the "00000000-0000-0000-0000-000000...more >>

hi, i am trying to create a temporary file associated with a particular process. For instance, i have a windows application which will create a temp file as soon as it this program is executed. Now i want this temp file to be destroyed if this application is closed / crashes. Is this possib...more >>