Thanks to Bob Powel (http://www.bobpowell.net/onebit.htm) I'm able to compress an image. However, this method takes a long time to compress an image. Does anyone know a quicker way? (The images I have to compress are already in black and white). Code used: Bitmap bmpOrig = (System.Drawi...more >>

Hi all, I am new to .net 2003 and learning fast. we are planning to do our coming projects using .net 2003 and sqlserver 2000. but i feel the coding is different when compared to vb. I am not getting any idea like how to start with datbase programming. Pls help me to find some sample d...more >>

Hi all, For all these i am a vb programmer and now our company is planning to go with vb.net and sqlserver 2000. Pls suggest me some good ebooks for beginners and as an advanced programming for vb.net and sqlserver 2000 Thanks in advance.... ...more >>

I'm trying to recover MSVC.net to a new laptop to run an open source flight simulation program and have suceeded in building the required plib and simgear projects. I am nearing completion and have recieved the LNK 1104 error, "cannot find glut32.lib" file. when the file is actually located i...more >>

I created a web method to insert data on a DB2 database. It runs well, except every time I call it, it opens and closes the ADO connection. I think it would run faster, since I send it hundreds of records, if I could just keep a connection open at the point the web service starts up an...more >>

For web services, is there a way to have VS.NET '03 automatically 'switch to code view' when clicking on a asmx file in the solution....more >>

We have two (2) workstations and one (1) server. All are running Windows 2000 Professional (not "Server"). Have NOT loaded Visual SourceSafe Server yet, but intend to. Loaded VS.NET and IIS on the server. (Note: I realize that I didn't have to install VS.NET *on* the server, but I wanted the...more >>

We have two (2) workstations and one (1) server. All are running Windows 2000 Professional (not "Server"). Have NOT loaded Visual SourceSafe Server yet, but intend to. Loaded VS.NET and IIS on the server. (Note: I realize that I didn't have to install VS.NET *on* the server, but I wanted the...more >>

Suppose I have a windows service, with a FileWatcher class. A file appears, and an event is raised -- but then the server is rebooted or crashes. When the server is rebooted, I want that event state to be where it was. So, can an event be serialized? And can it then be 're-raised' on...more >>

I build a system where a Windows service iterates through a file and sends each line in the file as a record to a database, by calling a web service asynchronously. It runs on a w2k server. What I notice is: When the web service gets called, there seems to be a slowness and potential...more >>

I know that you can format a grid and its columns using DataGridTableStyle and DataGridTextBoxColumn in VB.NET. But can you change the format of the individual rows, or even cells, to something other than the default? For instance, I have a datagrid displaying a list of products in stock. I ...more >>

Hi I've spent the last day or so debugging a problem with a CustomValidator and am now totally stumped! Basically I use a number of CustomValidator's on my page, but have cut this down now to only 2. When the page is first loaded the CustomValidator are made and the generated HTML contains ...more >>

How can you retrieve the exe name of the program? ...more >>

In VB, to know the field type of a column stored in a recordset the command I use is If rsQuery.Fields(k).Type = adCurrency Then How will I achieve the same in ASP.net. I could not find a currency data type in asp.net and the type is idenfied as decimal. I have two fields defined in...more >>

I am writing an asp.net applicaition using VB coding. In a function, I am opening an excel file with the following code, Dim objExcel As Object Dim objWorkBook As Object objExcel = CreateObject("Excel.Application") objWorkBook = objExcel.Workbooks.Open(targetfilename) * targetfilename is...more >>

Hi, I have written a component in c#. But when I recompile this component, all other apps which includes my component can not start correctly: An exception "System.IO.FileLoadExceptio" occurred. Only when I compiled the app (with the new version of my component) it works. Can it be because my c...more >>

Hi all I have written a small app on my machine that I have passed on to a colleague for testing. The problem is, as soon as he steps through in debug mode and reaches try { conn.Open(); <- HERE The error message 'There is no source code available for the current location ' pops up...more >>

Hi Guys, I got into trouble again in debugging the web service developed before. Got the error message "Unable to start debugging on the web server.", I have met this problem before and solved by information's on Microsoft support homepage. I suspect that this problem occur again is due to ...more >>

Hi, Anybody know if there is a Text Services Framework sample in VB.NET or C#? Thanks, Wencheng ...more >>

I am currently writing an application (VB.NET) and I was thinking about all the hype that seems to be given to security and if I should pay it any attention or not. My first thought was, nah, no need to worry about security because my app will not include WEB services, thus won't be hosted,...more >>

Hi! My question is if it's possible to adjust DataGrid control's columns' width by code (runtime). I have a DataGrid control that displays table from dataset that contains two fields. The first one is just an ID, which is 4 digits long, while the other field is a long text field. I don't w...more >>

HI Am trying to retrieve the cpuid of the system from web application and am geting the followng exception can anybody tell me how to solve this problem its very urgent for me i got error in the follwoing line of code Dim moc As ManagementObjectCollection = mc.GetInstances() Exceptio...more >>

Hi I am unable to get Timer1_Tick event in Windows Service Application inspite of setting following things Timer1.enabled = True Timer1.interval = 1000 Let me know how to resolve Thanks & Regards, Mustaq ...more >>

Hi guys, I'm having a bit of a problem getting a VB .NET console app to run happily as a scheduled task. The app itself generates a bunch of word documents on a file share on another server by reading from a template file and inserting text at bookmark locations (with details pulled from a ...more >>

i have a DataSet (TDS). It has 4 rows in it. i want to erase those. For the life of me i can't figure out how Option 1: foreach foreach (DataRow row in dataSet.MY_TABLE.Rows) { row.Delete(); } This doesn't work. It erases the first row and then throws the exception Someone Chang...more >>

Hi, I am about to order Visual Studio .NET. We work with the French Canadian version of Windows XP Professional. I don't know exactly how it works, but I have a question that may sound stupid, but I want to ask it anyway - it's about localization and culture: -->We want to develop an app...more >>

I need some info to make sure I avoid problems with my webfarms. Currently I'm running 3 separate sites, each with their own webfarm of 2-3 webservers. All of these sites are using the same backend machine for SessionState info. I'm wondering what problems might pop up if I set the MachineKey...more >>

Hello everyone, Here is my situation I created an HTML text box that contains a value that is calculated using Javascript. I expose this control so that .Net sees it, but when I go to retrieve the value in .Net i do not get the calculated value, but the default value that I set at 0 ...more >>

I know that it's possible to register with the OS to receive certain file system events. Does anyone know if it's possible to receive an event when the user changes the default printer setting? Thanks. Jerry ...more >>

Hi All, We had developed a .Net application which has the following environment Uses the No touch deployment concept Uses framework 1.1 on client and server machine, Visual studio 2003, Sql server 2000, Deployed on a windows 2003 box. Reporting is done using Crystal reports 10 A third p...more >>

Hi I have not managed to install .net framework v2.0 but how can I use it? VS.Net still references v1.1 Why? ...more >>

As a newbie, can someone recommend a link/tutorial to help me understand how to create Classes and how to integrate within a .NET app? Thanks. *** Sent via Developersdex http://www.developersdex.com ***...more >>

Hello, I have an application that uses the version of CR.NET that came with VS.NET 2003. The CrystalReportViewer control prints the report fine when initiated by the user on the form, but I have problems when I try to call PrintReport() or PrintToPrinter(1, false, 1, 2). Calling either ...more >>

Hi, I am trying to present HTML in the AxWebBrowser control, but I want to cancel the even of user-clicks, since I don't want to user to navigate any further than the presented page. Any ideas?...more >>

At the moment we have in Solution Explorer 12 projects and using the configuration manager we ahve all dependancies and build order set correctly. The problem is that when we do >Debug>Start (F5) then all projects are again built even though no change has occurred in most of them since the la...more >>

Hi All, maybe this is a sill question..but if i have TextBox and use the SendMessage(..) to send a character the control.. the KeyDown event is not triggered.... in would need to check in the WndProc(...) of the WM_CHAR event... Is there another way to send characters to the TextBox, when ...more >>

Hi, I'm using VB .NET 2003. I have a form which only has a CrystalReportViewer to view a report on screen. But every time I run then project, the form is shown but the Report itself is very slow to show up (about 1 minute). Is there any setting I can use to make it show faster? My testing only g...more >>

I have some address string like this: 101st Street 45J 45th Karamba Street 123 1st Street 45L I would like to use RegEx to extract any digits from the string as long as they are not at the start of the string. I have a pattern like this (?!^\d+)\d+ which works fine on '1st St...more >>

I have an asp.net application hosted on a IIS6.0. Randomly I get "Handle is not initialized" error. But when I try the same page again, it works. Can somebody tell me why this problem is trigged and why I am not able to reproduce it. How can I fix this problem. Thanks, Raj...more >>

When performing a parent-child table updates using DataAdapters, the updates have to be performed in at least two passes. The deletes must be done child first, then parent. Conversely, the inserts must be done parent first, then child. This is generally accomplished by using DataSet.GetChange...more >>

Hi, I have a, maybe strange looking, question: Is there any way to obstruct developpers to Develop and or Deploy a newer version of a VB.NET-application? Things should happen like this: - Developpers develop the application - The application is tested, and audited for the final release - Th...more >>

I'm writing an application and the corresponding web services. Am I better off with having 2 solutions (1 for the app, 1 for the web services) or 1 solution (both app and web services as projects within the solution)? Pros? Cons? TIA, Richard Rosenheim ...more >>

Hi Folks, I got an error that drives me crazy because it only occurs sometimes and I can`t even reproduce it. I got a __gc class here is it`s header: #pragma once #include "../empLib/empImg.h" namespace empDll { public __gc struct Image { int x; int y; int z; float da...more >>

I'm getting an error building my app. The error is... 'Could not transform licenses file 'Licenses.licx' into a binary resource. (1): error LC0004: Exception occured creating type 'System.ComponentModel.LicenseException' This previously worked just fine. We have recently moved to a new ...more >>

I have a Repeater that is paginated, and I would like the user to navigate to each page via a DropDownList. I have set the AutPostBack attribute to true and written code that fires on the OnSelectedIndexChange event. However, I am unable to retrieve the value of the DropDownList after the Post...more >>

Is there anything built into .NET for encoding a video file? If not, can anyone suggest 3'rd party API? I'm trying to save a series of pictures to a video file. It can be avi, wmi, mpg, or any popular filetype....more >>

Hi Is there anyway to rotate a label 90 degrees so that the letters in the label are printing sideways? I need to do this for headers on skinny columns. Thanks for any help you can offer!!!!!...more >>

I've written a script that uses bits to store permissions, however, once I go over 128 bits I get an error: System.OverflowException: Arithmetic operation resulted in an overflow. Is this a limitation of the system?...more >>

Hallo to everyone! Problem: -------- GridView Exception: reentrant call to the SetCurrentCellAddressCore function System: ------- WinXP Professional, english, .NET Framework 2.0 Beta Language C# Simplified Architecture of my Porgram: 2 Forms: -------- - MainForm - DetailForm 2 ...more >>

Hi, I'm looking to build a networked ( LAN ) version of Pong. Any quick pointers on what libraries to use. Should I use Sockets ( whatever they are) ? ...more >>