Hi. I've built a small window, with some buttons and labels, and one listbox. During design time, I put five lines in the listbox and launch the program: the listbox appears empty! I can select the first five lines, but they become blue (=selected) without any text. I tried to feel the listbo...more >>

Hi Mike I have Datagrid and i am fetching data around about 1 million into it , i think which is not good deal this makes my system slow.Please tell the way so that i can fetch data in my dataset or else so that i dont have to fetch such a large data again and again. My datagrid alows p...more >>

Hi, my exe's name is schemavalidate, and in my bin directory I also see a schemavalidate.vshost.exe. What is this vshost file and why is this needed? Can we choose not to generate it? Abubakar....more >>

Hello! I'm using the FileSystemWatcher to get notified when new files are created in a directory. Once a file appears in the directory I want to read it's contents into memory and do some processing. The problem I'm having is that sometimes the FileSystemWatcher event gets fired before t...more >>

Hello, I've created the domain registration system in ASP.NET. I'm using HttpWebRequest to post the data to the registrar's server. So in the Post string I'm passing the data like name, address, phone number etc. The only two fields that are causing problems are the phone and fax fields. My...more >>

ok, this is really simple stuff, or it should be ... but I'm stuck In a Windows Forms app, I have something resembling this: Form1.cs ======== namespace NS Class Form1 { public Label label1 ... private void func1() { iterateRows(); } } Class1.cs ========= ...more >>

Hello, I want to write a "little" program that shows the volume from the line- in of my sound card, but I have no idea how to start on this. Is there a possibility to use some existing libraries or does anyone has an example on how to start with this ? Thanx for any answer...more >>

Hi, I am developing a project which uses "Microsoft Word Interop". There may be a case in which the end-user may not have Microsoft Office or Office Interops. So i do not want to add a com reference into my project from the Solution Explorer by right-click "Add reference". I do want to add ...more >>

Hi, is it possible to hide my application in task manager? It may (actually it should) be visible in Processes tab, I want only to hide it in Applications tab. ...more >>

Hello, I am trying to access some windows components from a web based application and I am having trouble find my way. The only solution seems to be to creat an ActiveX control to access the local com objects. My problem is that I have been primaraly working in C# and too time consuming to ...more >>

Hello, I hope someone can help me. I have created a windows based application in C# using WebServices running. The Server is an MS Windows 2003 server. The services simply retrieves data from a MS Sql data server and passes it back to the Windows application in the form of a DataSet. My p...more >>

I am writing a graphics program. It draws images, shapes and text. I want to be able to zoom and scroll the images it creates. I also want to be able to email a jpg file to others. But I am thinking for the windows app, at least when zooming text, using a local metafile will look much be...more >>

How do I programmatically set the caret position to the end of a Windows edit box control? I was looking at using SendKeys but is there a better way? ...more >>

Since VS2005 will be released in October, does this mean that the .NET Framework 2.0 will also be finalized and realized on or before this date? Thanks....more >>

Hi All, I have a XML of the following form <?xml version="1.0"?> <xxxx xmlns="http://xxx.xxx.com"> .... </xxxx> When I try to read xml using SelectSingleNode, I am getting exception "Object reference not set to an instance of an object.". But if I remove xmlns and change xml into ...more >>

Hi, I have a xml file inside the project. How do I access this file? John ...more >>

Sorry about the cross posting to this group but I posted this question for a coworker last week in the setup board and got no help: hi, If my project has subfolders and I have relative paths into those folders (for images, xml files, etc.), after installing the application on the target ...more >>

Currently using .NET v1.1.4322 and v1.0.3705. Starting a C# console application for the office - I wanted to <gracefully> via structured error handling trap the condition where the .NET framework (neither of the above) is not installed on the server/workstation - instead of the default message...more >>

Hi, I have the following private function in one page: private string Connect() { string sConnect; // this value could go directly in the Global.asax.vb declarations switch (((string)(Application["DBType"])).ToLower()) { case "sqlserver": sConnect = ConfigurationSettings.AppSettings.G...more >>

I am new to XSD tool. I know what its used for but not sure how I can use it to help me in the present situation. I will receive a XML which confirms to a Complex schema. I created a class out of schema. Now I want to use it to easily access members of that schema so that I can verify/valid...more >>

Hello, I have two treeview controls on a page. By default it appears that the top item in both my trees are selected. I would like neither of these to be selected initially. Is there a way to do this? Thanks, Greg ...more >>

We currently run .net version 1.1 with no service packs. Do we need to recompile all the applications with sp1 and release them on the machines that will get sp1 or just install the sp1 on the machines without re-compilation? Thanks *** Sent via Developersdex http://www.developersde...more >>

I have an Object " MyEmploye " : =20 Class MyEmploye { private string Name; private string Surname; } =20 Instances of this object are referenced by instances of an ArrayList = "MyArrayList" . One instance of MyArrayList is referenced by the "Tag"' = property...more >>

Hi, Is there a way to define where the assembly should search for its referenced assemblies? I have my assemblies in different locations and I don't want to add them the GAC. Any help is appreciated! Thanks, Mats-Lennart ...more >>

Can anyone point to to a good tutorial for providing end users the ability to write scripts to handle events raised by an application written in .NET (C# in particular)? I want to allow the users of my software to be able to write scripts that will perform processing whenever application-spec...more >>

I am trying to load and unload assemblies dynamically and call methods and properties when loaded into an Appdomain I can load assemblies all day in the current AppDomain without references and without interfaces if need be. But try as I may they will ot unload. I have been working on this pro...more >>

COMSYS Globalization Practice is looking for a C#/.NET Internationalization consultant in OR. Can you please contact me if you are interested or else know someone who would be interested. It will be 4-6 weeks assignment. Thank you, Rhea Tanaka COMSYS Globalization Practice rtanaka@comsys....more >>

Hello, All! I have next problem: I need to override TreeNodeCollection method Add(), but I know that I can't inherited from TreeNodeCollection. How I can resolve this problem? Help me please if you know solution. Thank You. __________________ Best regards, Dmitriy Kolesnik, SoftS...more >>

Hi, please can someone help with this? I have a dropdown list on an aspx page bound to a table in an SQL Server database. EnableViewState is set to true but when I change the entry in the drop down list the setting doesn't stick and the first item in the list becomes selected. Is there somethi...more >>

Hello, I have always used a certain design pattern for multithreaded Windows app; Start new worker thread from UI thread, use events to notify UI threads when something happens, update UI controls using delegates through .BeginInvoke. I came across some code samples recently where ThreadPoo...more >>

Hi, i have a simple report with 1 parameter and i want to send it to the printer without use the crystalreportviewer but it shows me an exception "Parameter value is needed",maybe the problem can be in the way to pass it the parameter. CrystalReport1 cr = null; try { cr = new CrystalRe...more >>

Ok, I have tried other forums since window.open is java, but it is in my c# ..net aspx page. I need for the window to be a specific size like this (and with NO BORDER): <SCRIPT language=JavaScript> <!-- Begin function win() { msg=window.open("buttontest.htm","","height=20,width=508,left=...more >>

I need a way for my console application to stay running and be able to be called at any time with some parameters, do it's work, then wait to be called again, repeat. Here's the details: I have a C# engine that's used to run a lot of complex financial calculations and return a report based ...more >>

Hi, please, can somebody help me with this? I have an iframe on a form. I need to add "runat=server" to the iframe tag to convert to a HTML Server control. When I do that I get the error CS1012: "Too many characters in character literal" when I try to compile the project. Here's the line in the...more >>

Hi, I am building a class library and want to store a connection string in a configuration file. I've read around and it appears that this is not possible because "by design, class libraries don't have their own config file - they read the config files from the application they are house...more >>

Hi , - how do i complete the non-blocking connect request when using the select method on the client side ? * (or how do i know that the socket is connected, because i read somewhere that there is bug with Socket.Connected) . ** (because i have a problem, the socket that do the connect ...more >>

Hi All, I am trying to change the password of a user in Active Directory. I tried using object[] oPassword = new object[] {"<oldPassword>","<newPassword>"}; userEntry.Invoke("ChangePassword",oPassword); when i tried this i am getting error "InteropServices.COMException'. Hence i t...more >>

Hi, Inside my method I'm using the using-statement for data access. Before that, I create an object of a class. This works fine. Inside the using-statement I set properties of the class (with the data from the database). Getting the data works. Setting the data doesn't work. It say's: ...more >>

Hi I want to place the tests needed in the code using attributes. There seems to be enough code snippets around for me to cover this. e.g. // Test cases, run these here on the function and check the result [Test, Function=CheckType, Args="-1,3,'flower'", Result=true] [Test, Function=...more >>

Hi all, I'd like to submit what it seems to be a bug as for the Unicode compliance of methods like Char.Is...: as stated by the latest version of Unicode, codes +03F2 and +03F9 represent Greek lunate sigma, lowercase and uppercase respectively (c and C). For these codes I get the following r...more >>

I've a problem. I want to clone an object having a list of other objects (and so on :/). Do you know any other way than ICloneable.Clone() implementation for all classes in the way? Help.. ...more >>

When i am trying to list scheduled jobs via Win32_ScheduledJob wmi class i only get the job that has been created by wmi, not the jobs added through the control panel scheduled tasks. Is this a know issue or should i use something else than WMI? ...more >>

Hi, how can I create non-visual application in Visual Studio 2003? Theoretically I could just make windows form invisible but it's not much elegant. I've also tried to use console application but then, there's console window displayed even if program doesn't send anything there. The third wa...more >>

Hi, I can read in a file with the binaryreader. But how can I get all the bits ("1" and "0") inside my textbox? (I now get the number 68) Thanks! ...more >>

Hi, I try to implement a reusable socket class to send and receive data. It seems to work but I have 2 problems : 1) I rely on Socket.Available to detect that the connection is closed (no more data to expect). Sometimes, Socket.Available returns 0 but the other end of the connection did n...more >>

Hi I have a couple of encryption methods but when I call decrypt I get the string back but with a load \0 escape characters on the end? Any idea why? It is actually causing problems in some places, here are my methods: public static string Encrypt(string input, byte[] key, byte[] iv) ...more >>

Hi, I'm trying to make an application communicating over TCP/IP. It = should do only one thing - write received data to console and terminate = itself when "exit" received. Problem is that if I send some string to = this application, it'll receive that string and many unwanted "new line" = chara...more >>

I use ado.net to fill a Excel wroksheet into a DataTable. The data in the Excel wroksheet is digital. After the data filled into the DataTable, the DataType of each column is set to Double, but I want to treat them as string, I use the code to covert them DataTable dt = ds.Tables0]; ...more >>