Hello, I have a string formated in the following way: s = 1;32;100;32;09;.........;09;76; I need to extract the numbers separated by the seicolon. The list can contain several thousands of items and the code is time critical. How can i best extract them in C#. Many Thanks in advance...more >>

Hello MyMainWebPage.aspx contains MyUserControl.ascx MyUserControl.ascx has a DataTable Property MyDataTable MyUserControl.ascx has a DataGrid which whose datasource is MyDataTable (or technically it's private accessor but that I don't think is an issue here) MyMainWebPa...more >>

I need to do something like this public class a : b{ .... } .... a objecta = new a(); if (objecta "inheritsfrom" b) do something; There's a reserved word to do that? TIA ...more >>

Hi y'all, When displaying a DateTimePicker control, opening the control provides a calendar from which to select a date. How do I specify a time? Thanx, Bill ...more >>

i haveing a problem updating my data set i get an error saying An unhandled exception of type 'System.ArgumentNullException' occurred in system.data.dll Additional information: Value cannot be null. //*********************************************************** //Student Name: Nicholas Chl...more >>

Does anyone know how I can determine if a message queue has any messages in it? ...more >>

Hi Does anyone know if there are to be any improvements in Obfuscation / code protection in .NET 2.0?? Will there be a better 'bundled' obfuscator?? I don't want to buy an obfuscator now, only to find I didn't need it, when 2.0 is released... for whatever reason. Thanks Paul ...more >>

I have a DataTable:- private void CreateForm(DataTable dt, string headerText) { } string formTitle = tbxFormTitle.Text; string formNotes = tbxFormnotes.Text; DataTable dtForm = GetDataTable(formSql); And i'm calling 2 local variable dtForm,formTitle Like so CreateForm(dtForm,formTit...more >>

Hi All, In clicked event on a grid column(value is a url link), I am trying to open an IE browser. Can any one direct me to an example? Thanks, -RajS ...more >>

Hi, How do I load string out of the resources included with the assembly? Or even better from another assembly? I'm trying to internationalize my app. As I see it theres two ways - have a global language assembly that is dynamically loaded on startup and supply multiple language versions o...more >>

I opened an image and want to change its size, then display it in a ImageBox. How can I do that ? Thanks Charles Shao ...more >>

Hello, In my C# program I have a function that uses pointers. Is there a way to tell the compiler to compile only this function with the unsafe switch and compile the remaining project as safe code? I enclosed the body of the function in unsafe block like this: public static void Foo() {...more >>

Could some kind soul illustrate how I can call the EnumPrintProcessors Win32 API from c# code? BOOL EnumPrintProcessors( LPTSTR pName, // print server name LPTSTR pEnvironment, // environment name DWORD Level, // information level LPBYTE pPrintP...more >>

I need to send a message to a window in another application. The name of the window is known at design time and set in the constant App2_MONITOR_CAPTION. The message is defined as X_GenerateEvent. The following VB6 code works. I assume this is possible in C#. How do you do it? Private ...more >>

Hi, In our application our processing starts as the soon as the user logs in . Here we need to retrieve info reg the system. But the way windows boots up the system processes take up some time to load all info .For ex immediately after the desktop appears if we open up the properties of 'My Com...more >>

Hi I have created a Windows Form that takes input. When the Run button is pressed the form is disabled and the code checks some files and inputs the data into an Excel worksheet (that is hidden so that I cannot watch as it gets filled up). When it is done it saves the Excel file. I fin...more >>

Does anyone know how to convert a (char)02 into a UTF8 string that I can put into an XML element? I've tried all examples that I could find in Visual Studio help or in google, but I can't get it to work. The one that gives me the answer will just make my day :). Thanks, Daniel. ...more >>

Dear ladies and gentlemen: How to access all the pixels of a bitmap with C#? I am working with Delphi before. In Delphi, you can use TBitmap.Scanline property to access all the pixels of a bitmap object. How to do this with C#? Any hints? Thank you very much. Best regards. Xi...more >>

Hi all, I need to know the user privileges (does user have administrator privileges) .. Which c# api's should i use? Thanks a lot ...more >>

Hello, I have vs.net 2003 installed on my primary dev machine, but now I have to do some work on a vb6 project. Is it safe to install Vb6 on top of vs.net 2003? Thanks Robert...more >>

Hi everyone I'm having huge difficulties overriding or hiding a base function with a function that returns a covariant type. I'd be grateful if someone could show me some code where this is done: - A class BaseClass is declared with a function me() that takes no arguments and returns itself...more >>

Hi y'all, I posted this as an add on to another post so I thought I'd repost it here. How do I identify an event programmatically? Is it necessary to do a if(e.message=="<Event description>" ) ... to identify the particular event? Thanx, Bill ...more >>

Hello All, In the "Find Dialog" (Ctrl-F) of the IDE there is an option called "Mark All". When I click "Mark All", this marks the occurences of my search text. How will I clear this mark? Thanks for your time. Regards Anand Ganesh ...more >>

I saw the following line of sourcecode: string input = @"the quick brown fox jumped over the lazy dog"; What is the purpose of the '@' above? I tried running with and without and get seemingly same results. Anyone know?...more >>

When closing down my server I get the following exception An unhandled exception of type 'System.InvalidOperationException' occurred in system.dll Additional information: AcceptCallback I beleive that it is the asynchronous BeginAccept call which causes the problem. How can I avoid th...more >>

Time correction for OE and other newsreaders For who is interested. It seems that David likes answers in future he seems to be a notorious newsgroup topposter (don't confuse this with mail topposting) Cor ...more >>

I'm getting an error when I pass "User" in "report.HasBeenAccesedBy(ref User,ref UserN);" I have created the iL to see if there is something incorrect. ..method public hidebysig newslot abstract virtual instance bool HasBeenAccesedBy([in][out] class LDD.User& marshal( interface) ...more >>

This might be an easy one (just starting to learn C# here), but I'm overlooking it for some reason... namespace test2 { public class Form1 : System.Windows.Forms.Form { public Graphics g; private Thread t1; // some other code private void Form_Paint(object sender, ...more >>

I have a print component that opens up a printpreviewdialog and paints all the controls. Now when i click the Print, after setting Microsoft Office Document Image Writer as default printer, the Save As dialog for saving the mdi file is opened. When i click on save, there is no problem. But whe...more >>

I have a need to make a set of classes that all share the same public methods, some implementation and some data. So, I made an abstract base (BaseClass) with an interface (IBaseClass) and a handful of inherited classes. The static method calls the ctor of the appropriate inherited class and r...more >>

I have a two part question. I would like to provide a run-time feature that would duplicate the design-time capability to create a Context Menu. This would be where the user could create their own ContextMenus. I would like to save this Menu structure as either XML or a text file using C#...more >>

using System; using System.Collections.Generic; public class CovariantList<T> : List<T> { // ... // of course this constraint won't work .. public CovariantList<U> Convert<U>() where U: base T { CovariantList<U> list = new CovariantListList<U>(...more >>

Hi All, I am a newbie to dotfuscator. I am trying to dotfuscate my application. Everything seems ok except that when I try to run a method that has the following command poMsgObj.GetType()).GetMethod(psAfterMsg).Invoke(poMsgObj,new string [] {asSelectedValue}; I got an error sayin...more >>

After running a Dos analysis program, the result composes of randomly several lines. I want to catch just some specific parts of the result, not all, in the Dos window. And then display the specific parts in a message box. If it is possible, how can I code for this? For example, I want to ...more >>

How to set DateTimePicker only edit time ? There is a DateTimePicker whoes Format = Time. I find it only displys as time edit, but in fact, this control still control Full DateTime when you click the button. I mean if I enter 08:12:00, I want to get 08:12:00 only, not 1998-12-01 08:12:00....more >>

I'm not sure what to make of this problem, but hopefully it's fixable. I have created a 'Table' control which is basically just a grid of text boxes. However, whenever the control is initialised it is done so in the wrong order: this.table1.Columns = 3; this.table1.DefaultColumnWidth = 96; ...more >>

Greetings! I'm developing a C# application that needs to read some data from a selected XLS file. I've used VB in the past to automate Excel but this is the first time I've used C#. Back in VB, I was able to retrieve a cell's contents via something like this: Set objExcellApp = CreateObj...more >>

Hi, Using P/Invoke I use PostMessage to send a message from one thread to another. I'm pretty sure this has already worked in dotnet. but I've upgraded version 2 few day ago. Now I have an illegal cross thread operation if posting a message. Is this a bug introduced in latest version o...more >>

Hi Sorry if this has been asked before but I'm VERY new to the compact framework. Here's my problem I'm writing a program for a WinCE.NET 5 device using Visual Studio 2003 and C#. This program needs to call a few DLL writen in EmbeddedC++. I already know that the dll's work since I've teste...more >>

Is there a way to iterate through some kind of collection and access session variables in current active sessions on the website? For example, I'd like to add a feature to an administrative section of a website that will show the admin a given session variable ("username" for example) for e...more >>

Hi, I have a datatable filled, and i would like to delete one column completely, but when i use the method Remove(DataColumn column) i get this error: Collection was modified; enumeration operation may not execute Why im getting this error?, i know that im modifing the collection, but...more >>

Hi all, I have written a small code in which i declare a static int variable and increment its value by one each time i click on a button. actually i use the int variable value in a particular URL so that i can browse to diff URL each time i click the button. Hope you understand the scenar...more >>

Hi, I m new to threading and i have successfully runed threading but i could display value on my web page ,but its working in code behind when i see it through debugger,plzzzzzzz help me here is the code below: i just wana display the simple array value stored in my array variable in my ...more >>

Hi there, i want to know size of managed bool (know it is 1byte according to language spec) but how do i do it in code? Marshal.Sizeof... isn't an option cause it returns 4 bytes, i.e. unmanaged Boolean what is correct syntax? Thanks in advance Brian ...more >>

Hi, I have some data from a user,say:Name-X,Age-10. Can i write a function in C#.Net that would insert this data(taken from the user at runtime ) into a XML file within a particular node.I want to store it as: <student Name="Atlu" Age="10">contents</student> Thanks & regards, Miss Patnaik....more >>

Hi, I need to use a lot of memory in an aplication. But I get OutOfMemoryException whenever I try to allocate more than around 1.2GB. Ex: byte [] c=new byte[1300000000]; My computer (win xp) have 4GB of RAM memory and it looks like 3GB is free (Performance Monitor->Available MB). Is ther...more >>

Hello and hi everyone.. How can i publish my exception message to email in Exception Handling Application Block?? ...more >>

I want to add a new row in ultra grid at index 0 mean at top of grid. -------------------------------- From: Din Butt ----------------------- Posted by a user from .NET 247 (http://www.dotnet247.com/) <Id>jw4ZWxikrEWTSE1Hda7GLg==</Id>...more >>

Hi All, Just needed to know what you guys think about ILMerge. Is it mature enough? Does it pose any performance loss? Is it gonna be part of VS.NET in future? When should I and when should I not use it ? Any idea is welcome. rawCoder http://research.microsoft.com/~mbarnett/ilmerge.asp...more >>

Hi , i am trying to pass the same session Id to all the webrequest, but sometimes the response.cookies returns zero and sometimes one. is this to do something with cookies expire. In this sample code the line Console.WriteLine("cookies1 count : " + firstResponse.Count.ToString()); and ...more >>