Is it me? Or do Windows Forms run as slow as molasses? I launch a child form from a parent and it takes ages to appear? Why ?!?! ...more >>

How do you open an Excel file from C-Sharp. I need to use a preformatted Excel file/template populating it from a dataset. I have everything figured out but have to programmatically build the spreadsheet in order to use one because I can't figure out how to open it. Thanks in advance....more >>

I need help to format the column and detect any change on the datagrid. My source code is: dim da as SqlDataAdapter dim ds as DataSet dim dtSource as DataTable dim conn as SQLConnection = New SQLConnection(......) da = New SQLDataAdapter ("Select field1, field2, from tablename",c...more >>

I am developing a Web App using the 1.1 framework. I am using the Enterprise Application Blocks for this program (espcially the data access block). Everything is working well, except when I add new controls or code I get this error. To resolve the error, I have to close down my development e...more >>

Cross posting this question on the recommendation of an [MVP] I have a .NET application that I am developing in C# I am loading information in from a dataset, and then pushing the dataset to a grid, or other controls depending on the particular form. This application is setup with one M...more >>

Has anyone seen this? We are porting a web application from .NET 1.1 to 2.0 beta, and receiving errors "The type <dataset> already contains a definition for <event handler>" Looks like the error is happening in a temporary cs file. The dataset was moved to the App_Code folder upon conversion t...more >>

hi. i want to build USER CONTROL that will be used in WEB PAGE. to build user control and use in web page,I KNOW . i did user control with textbox and lable for example and it works. the problem is after i had the IRC client functionality and Windows sockets it DID NOT work. now, i gu...more >>

Has anyone seen this? We are porting a web application from .NET 1.1 to 2.0 beta, and receiving errors "The type <dataset> already contains a definition for <event handler>" Looks like the error is happening in a temporary cs file. The dataset was moved to the App_Code folder upon conversio...more >>

hi is there a simple way to convert a html-string to a plain text-string? thanks Nedo ...more >>

Hello All! I use visual basic .net 2003 and develop database application based on MS ACCESS. Since I started develop my application till now I use the same way to handle the data flow: 1. I create a dataset that contains no records (by SQL select statement that brings no records). 2. I c...more >>

I'm having some difficulty getting controls to work with multithreading. Basically, I want to begin a long running operation on another thread when a button is clicked, and then disable that button until the operation completes. When the operation finishes, I want the button to re-enable. T...more >>

I'm very new to the .Net world (just learned to spell it last week <grin>) and I have a couple of basic (maybe stupid) questions. I've created several asp files for our intranet and would like to "graduate" to asp.net. 1. I'm assuming that I need to install .Net 1.1 on the web server (W2K s...more >>

I have clients using a .NET application built and distributed with .NET 1.1. When the 2.0 Framework is installed. This application stops working and reports a data access error. This seems to be a major flaw in side by side execution. Has anyone else encountered this type of problem? ...more >>

I have an .aspx page that loads and need to program a button so that it will access the internet explorer appliction object and save the loaded .aspx page to a file on the server. Any help is much appreciated......Thanks,...more >>

Can I use one Data Adapter and one Command Builder to update amny tables? Currently in my data adapter I query two tables and fill them into two tables in a data set. When I make a change to a record in the second table and call the update method of the data adapter the command builders update...more >>

Hello. I have a mdi parent form, and I want to change the values of its status bar from child forms, I tried with public properties, but it only works in the mdiparet, not from a child from... ... here is the code Public Property myStatusBarText() As String Get ...more >>

Is there a standard convention for object/variable naming in .NET? I've seen various examples, is it just a stylistic difference nowadays, or is there something along the lines of old Hungarian notation, LNC, etc.? Thanks....more >>

Visual Studio 2003 / C# Is it possible to change the width of the columns in a datagrid at runtime? I am generating and populating a dataset at runtime, then binding a datagrid to this dataset. The only problem is all the columns in it are about 75 in width, and this looks lame in the vie...more >>

Hello together, i'm trying to call some functions wirtten in c# and compiled as a type library (dll) trough the windows cmd shell. Is this generally possible? My first idea was it to use rundll32.exe to call my user defined function, but if i try to make a call like this: rundll32.exe myli...more >>

Is there a DllMain equivilant for a C# .Net class library? I want to create a class lib that does a particular process when the library is first called on before the method that was called is run. thanks in advance, ed...more >>

I woundered if the following would be possible: I want to create an abstract Singleton class, which implements the singleton behaviour with the limitation, that the unique object will not be created within the getInstance() method. The classes which are derived from the Singleton class, have...more >>

Hi folks Not really a .NET question, but I always think this is a good place to ask. Does anyone have a favourite algorithm for determining the similarity of, or difference between two strings? I'm looking for something that could be considered to be quite reliable. I have Googled quite...more >>

Hi in my form (windows from) 've several text boxes,lable controls and drop down boxes and a button. when i click on this button then the entered in all the textboxes and data presented on label and dropdown box es must be saved into .csv files . can anybody tell me how to do this one. i...more >>

Hi, To get faster performance of my DataGrid during scrolling I wanted to build a timer in the Paint-event that waited some milli-seconds to Paint and cancelled the method in case it received a new Paint (during scrolling). But it doesn't seem to work :-( The whole screen becomes empty, a...more >>

Hi for my web application i made setup using websetup template , I need to run an exe while installation process is going on... How can I do this? please help me in this regard. thanx in advance yoshitha ...more >>