I create a class library and I copiled as a dll, I want to share this dll to use it in a set of application, and I want to every time a recompiled the dll automaticly my other app use the new version, I try to do this pointing the output directory of the dll to %system%\Microsoft.NET\Framework...more >>

How can I iterate a collection and conditionally remove items from the collection using either C# or VB.NET? When I try to remove an item, I get the error message that I am not allowed to remove an item. Thanks...more >>

How can I add routines to a user control that I can call from the parent form? I have a user control that contains 6 buttons, Close, Delete, Cancel, Save, Edit, and Add. I want to have control over the click events of these buttons from the parent control. I would also like to keep the default...more >>

Hi all, I'm at the edge of a nervous breakdown. I have an application that used to work just fine - incl. a webform (.aspx/.aspx.cs) and everything. Today, I updated my code and the whole thing won't work at all. The form loads but when I click on the submit button it refuses to do anything. ...more >>

Hi all, having troubles with printing a crystal reports report to a specific tray in a printer. By means of System.Drawing.Printing.PrinterSettings.PaperSources it's possible to find out how many and which trays are installed in a printer. I'm trying to print a report to the tray a user ...more >>

I'm about to decide whether my company should make an installed application or a web application in C#. This application will contain advanced drag and drop functionality within a tab control view. Different tab views are to view a lot of database transaction results. Preferable we would like ...more >>

Hi all, I am so desparately in need of some guidance! After two days of = struggling I still can't connect to the Active Directory server. I have = used so many different ways and so many different string paths and I = still don't have a successful connection. =20 Things I have tried: Us...more >>

I am trying to dynamically create directories in my ASP.NET application (I am using Server.MapPath("/")+"test" as the folder) and I am getting a DirectoryNotFoundException saying "Could not find a part of the path "D:\". My site is hosted on a public ISP that for obvious security reasons does ...more >>

Hello, after learning that I was taking a class in VB.NET, I have been drafted to solve all my companies VB/scripting problems - hey, I should know everything; I've already taken 6 classes ;) I should have been quiet about it, but then I would never be reimbursed. Oh well. I have been asked to...more >>

I wasn't sure where to post this, but I am wondering if anybody can recommend an XML encoding library for native C/C++ programs? (I know about the Xml* classes in the Framework.) Preferrably there is an open-source cross-platform, rather common/standard library which supports Base64 encoding...more >>

I'm currently running a small peer to peer lan (all computers run WinXP Pro). Most of the software that we utilize is "off the shelf". Is there any benefit to installing .NET 1.1 to the computers?...more >>

Hi All, I've just noticed that there seem to be two ways of setting up a global.asax file. At http://www.csharphelp.com/archives/archive206.html the global.asax example has Application_Start etc within <script runat="server"> ... </script> tags, whereas VS.Net creates a global.asax.cs file ...more >>

I want to write a HTTP proxy with C#, but I am unsure if it will scale; I need to handle at least 5000 simultaneous users per server. The servers can be MP with 2GB ram, that isn´t the issue. I will be filtering the http streams for keywords, so there is a processing load there. ...more >>

How can I format numbers with leading zeros? I believe I did this before some time ago but I cannot remember how I did it. I want the output be 100305 for 10:03:05. string fname = string.Format("{0}{1}{2}.txt", dt.Hour, dt.Minute, dt.Second); I do not want to use ToString() because it gener...more >>

I have a datagrid containing a drop-down-list. The datagrid contains Edit,Update,Cancel buttons and respective events. Whenever I make a change to one particular field (a drop-down-list in column3), as soon as I click UPDATE the original value which existed at load-time replaces the value I ...more >>

ArrayList arrayList = new ArrayList(); foreach (Blabla bla in Blablas) { arrayList.Add(Convert.ToInt32(blabla.something)); } so far this works great.. but now int[] intArray = (int[])includedDevices.ToArray(typeof(int))); throws System.InvalidCastException: At least one element i...more >>

I have been playing around with Visual Studio 6 and I can't seem to force caps when typing the First and last name on my form. Can anyone out there let me know of a code that will allow me to force the Uppercase. I have tried a couple of codes but doen't seem to be working. Thank you, bs...more >>

hi, how to let the user do the cut,copy,paste in the dataGrid?? im using the DataGrid,DataGridTableStyle and DataGridTextBoxColumn Thanks...more >>

Hi, I have a windows service developed using c# and it needs to lunch another windows application. I have been trying to use Process class to do it but the problem is becase windows service running at background and using system account, so the applcation it lunchs is also running at the ba...more >>

I'm working with a DataGrid UpdateCommand event and running into a problem. The second column of the dg is the PK named "FlitchNum". The datatype of this PK is varchar(string). In the event I need to obtain the value of this field in order to pass it into a SQL command. However, when I use...more >>

Hi All, Recently dot.net cache expires on our web server every 5 seconds. Any ideas why this happens and how to fix it. Bogdan Fiedur ...more >>

I have a datagrid linked to a SQL Stored Procedure, the data is extracted from 4 tables. Data is only updated not inserted and the update is to only 1 of the tables, the other three tables are information only. Can anybody help with a save routine....more >>

I am hearing that Microsoft cancelled PDC 2004 and, perhaps, PDC 2005. Is this true? What's going on? ...more >>

I am interested in any .NET enabled portal solutions that are in the same class as the J2EE BEA Weblogic portal solution. Can anyone point me to articles comparing the available portal solutions for the .NET Framework? Thanks in advance....more >>

Hi, We have an application that uses an Access 2000 MDB file to store various data, a customer had a problem where during the compaction routine the database was corrupted, they informed us that they had just upgraded to XP SP2. We upgraded the developemnt VPC to SP2 and this throws a me...more >>

I know RFV works(executes) on both Client side and server side. But if I want to execute only on Client Side due to performance reason then what I have to do? Ex: I have a Text box which must be filled. when i Click the Submit button, immediately Client Side Script shoulb be execute first ...more >>

Hello, Will anybody please help me ! to get programmatically the list of REFERENCE List ( which is found in the Project Exploer Window) used in a project.? Thank you Rajesh S ...more >>

Hello, I'm making a setup project for a Windows Installer, to update my application. The application has a configuration file (app.config) that is renamed after the build. I would like to not replace this file by the new configuration file during an installation, but keep it both (the new ...more >>