Hi I am using a Visual Studio .Net 7.0 trail version in Windows XP. I've dynamically created some menu items. Now I want to attach an event to these items, what should I do? Thanks Jane...more >>

Is there a way to implement an OpenFileDialog on a web application? ...more >>

I'm having a problem where I exec a stored procedure (which SELECTs all rows from a table, which has 100 rows) - each row has 8 columns. When I exec the code (see below) I get 8 in oSQLDR.FieldCount (which I expect but whenever I try and reference the data in the row (oSQLDR.GetInt32(0);) I ge...more >>

Why does follwing code generates the error..? ulong a = 3; int b = 15; Console.WriteLine(a | b); ...more >>

Hello I want to copy a file from server to client machine. How can i do that. I may have to use byte stream but how can i do that . Pls tell me THanks ...more >>

I have a form called frm_junk. On it there is a rich text box called rtxt_output. I am having trouble accessing this (or any) object on frm_junk from another class. I have a class "test". When I tried to access rtxt_output from "test" I got an error message indicating that the protecti...more >>

Hi, In C#, objects are manipulated by their references only. Does that mean that all calls to virtual functions are resolved at run time? Can a call to a virtual function be resolved at compile time Thanks...more >>

Hi Can you tell me some website which I can download (freely) UML learning material for beginner ? Thanks ...more >>

Hello, Is there any possible to stop the load of a specific form and close it in the Form_Load event ? With thanks....more >>

I am programming an easy game (not with a commercial purpose, just with learning purpose), but I doubt whether the following way of programming is proper or advisable. The main form (BugEaterForm) that has a module, has the following objects: - Snake, for drawing and being controlled; - Playe...more >>

Can someone please point out why I am getting an 87 error? I am sure it is obvious, but I am new to C# and seem to be having a lot of stress understanding managed versus unmanaged code when API calls are needed! // using System; using System.Runtime.InteropServices; // namespace Dev...more >>

I would like to know if there is a list for default values of types (e.g. int, float, bool, System.Drawing.Color, String, etc)? Thanks. -- Franz Wong My C++ and C# Site (Traditional Chinese) : http://www.franzwong.com ...more >>

Hello Is there any explanation why Microsoft chose to implement arrays as objects allocated on the heap instead of structs allocated on the stack? For "mathematical stuff", one normally wishes to avoid unnecessary garbage collection, but that is exactly what's going to happen if a lot of...more >>

I am trying to embed a check box into a FlexGrid's cell, but having a problem when I start scrolling the grid. Here is my MyCheckBox class... class MyCheckBox : CheckBox { void Init ( AxMSFlexGridLib.AxMSFlexGrid oGrid, int iRow, int iCol ) { ... ...more >>

Hullo Mates, I am looking for some resource on delegates and event raising in C# for my threading application. Actually the whole delegation process seems very confusing to me :( ... Well I am going through MSDN, still any further resources with some examples on delegates that might help me ...more >>

need to create a string with embedded quotation marks, like string str1 = " they said "go away" "; How can this be done? Thanks, vince...more >>

I have searched for information on C# and SAX, and have yet to find anything. Is there any documentation on this subject? ...more >>

Is there a C# approach that allows you to define locals with program lifetime? That is, I don't want to have to expand the scope of a variable just so I can make it persistent. For example, something like: class myClass { int iCallCounter = 0; int CallCounter() { return ++iCallCounte...more >>

I am trying to establish an infrastructure whereby I want only one login screen for my .net application users. In my experience, if the user's domain is different than the application domain, the user is presented with the Windows login screen a second time. Is it possible for the brow...more >>

As a programming exercise I try to program a game. In my case it is called BugEater. The purpose is that you are a snake. It moves automatically but you can control it with the keys on your keyboard. In the field where your snake is, there are candies that you must eat. The more candies you ea...more >>

How I can run some .exe from c# application? Thanks ...more >>

Hi, I'm trying to create a form in c# that I visually inherit from. It includes a button, that when I click, displays a "hello world" message. I then create an inherited form, and create an event handler for the button that displays a "hello world 2" message. The problem is, that when ...more >>

Button1 displays Form1. Button 2 displays Form2. etc. The changes are brought about by Buttoin_Clicks. How do I get rid of Form1 purely by pressing Button2? Because as soon as I press Button2, I have lost the scope of Form1 and I can no longer do Form1.Close(); (Of course I can get rid of Fo...more >>

what using . . . . statement do I need to get this value (CommandType.StoredProcedure) defined ? even when I have defined the using statements: using System; using System.Data.SqlClient; using System.Data.Common; using System.Data.OleDb; using System.Data.SqlTypes; I still get a compil...more >>

Is there an easy conversion from a hex string, for example "0x1234" to an int? I have written my own many times in other languages, I was just wondering if there might be something already available for doing this. -Ed ...more >>

Hi there, while trying to learn polymorphism, i am confused between the 2. ======================================================= class Person { ... public void someMethod() { //do something } } class Guy :Person { public new void someMethod() { // do something }...more >>

I was wondering if someone could suggest were/how I could get started with setting up printing of a collection of text that includes tables from a grid and other supporting information about the grid's contents. If you could just point me at the classes that I should consider and some very broad ...more >>

Hi there, I have wrote a simple console app in C# to get the dimensions for a jpeg file /*** Image img = Image.FromFile(@"C:\TEMP\PvFile\1036437.jpg", true); LogEvent("Height = " + img.Height.ToString() + "; Width = " + img.Width.ToString()); ****/ But when I call this console app ...more >>

Hi, what is the C# equivalent of VB.NET's Shared e.g. in VB.NET Public Shared myColor As Color does static do the same job? public static Color myColor; thanks, Mori ...more >>

I want to create a multi-stream file using C#,but System.IO.File.Create method do not support this. ...more >>

Hi, What is the struct member aligment of a C# program? Are there any issues with P/Invoke when passing structs to 3rd party C dlls? Thanks ...more >>

Hi, I'm using an enumerator to store some options so that at design time X options could be selected. All this works fine until the developer closes the FORM where the property is and re-opens it.l.. the values are reset. Why??? This is what I have: public class LidColumnCollection : Coll...more >>

Hi NG maybe it's a silly question if i have 2 buttons on a Windows Form, button1 and button2: button1 has delegates subscribed this.button1.Click += new EventHandler(this.MethodA); this.button1.Click += new EventHandler(this.MethodB); .... // etc etc i register a method to the Click eve...more >>

Hi all, I dynamically create new controls and display them on the form. My problem is that the user has to resize form manually to see controls whose location property points to a point outside the form's area. So can you please show me a way to resize the form after adding a dynamic control...more >>

Sorry for crossposting! Is there a complete reference of .NET Framework class libraries? And i mean COMPLETE reference with full explanation of what each class does and perhaps what it's good for. Reason for this is that recently i spent 2.5 days coding a class only to find out that Fram...more >>

I am trying to get a small form (using ShowDialog) to display over my main for as soon as the main for is displayed. I can't seem to find an accesible property or event that I can use to tell when my main form has finished loading. Anyone have a suggestion? To reply by email please remove x'...more >>

I have two forms. From form one I have a listbox that when double clicked I get the selected value (string) and store in a variable. I parse the string to get the first 12 characters and store it in a variable to query a sql db. I set break points to see the data as it is passed from form1 an...more >>

Hi there, just downloaded the latest framework sdk and I want to find a good freeware editor that recognize C# syntax. Is there some around? What about free winforms editor? Thank you ...more >>

I set the MinimumSize property on my form but it doesn't seem to work. I can still resize the form to any size I want. What I'm trying to do is prevent the buttons from vanishing when the form is resized. So I figured if I set the minimum size it would stop the form from resizing past the...more >>

Hello there, I have document a file in the C:\\ named test.doc. I would like to read the contents of the file by assigning it to Stream class.... Stream fstream = ???? how do i achieve this.... any suggestions or help.... Kind Regards, Srikanth Pai...more >>

Is there a way to measure or ask .NET to tell me what amount of time a thread spent actually executing on the CPU? For example, I may spawn a thread that spends 99.9% of its time waiting for an event to be set, and then performs some action. If the thread runs for 10 hours, how can I find out ...more >>

I have a c++ class like this: class b : private a{...} and now i want to convert it to csharp, but i don't know how can i do it by csharp. When i build a test.cs like this: Class b: private a{...} vs2003 said error:cs1031 and cs1519. ...more >>

Hi, I want tu run an external program from a c# program but i need to wait until the external program ends. How can i do that? I try Process.Start but it do asynchronously... Any help? Bye ...more >>

I believe that interfaces are one of the more useful design constructs available in C#. However, there's one thing that I feel is missing in them. I propose that interfaces be expanded to allow the specification of constructors. Admittedly, this makes things a bit confusing in that seeing ...more >>

Hi all, I'm looking at working with Exchange Server 2000 and .NET. The project is web-based and requires access to all folders, particularly the inbox. Has anyone worked extensively on using Exchange Server and ASP.NET, using C#? Is there any resource on this subject out there that would be very...more >>

Hi! I post this text 1 year ago. But no one really could give me an answer. This is the text that I posted long time ago: I have a fundamental question about The way .NET handles the object orientated way of Persistence. I am coming from JAVA and WebObjects (Apple) World and I am looking...more >>

I have a third party Dll with a function which requires an IntPtr but the data is in a byte array. I need to get the IntPtr for this byte array so I can pass it into the function. Thanks in advance, ~Logan ...more >>

I am having trouble when I read a file and another process is trying to update it. So I need a rountine to copy a file in asp.net. Can anyone assist? Thanks Tom ...more >>

Is there a function of program to convert a .bmp into arrays? ...more >>

Hi, A Windows form that I'm developing will have two controls: Label1 and Label2. Both controls are of type Label (go figure). The text of Label1 will not be known until runtime and may change at times. When the MyText property of the containing form is set, I want to: a) Set the La...more >>