Hi All, Microsoft says that structures are value types. Also primitive data types are value types. And memory for value types is allocated on the stack. Then why we need new operator to allocate memory for structure value types and not for primitive data types(they r allocated memory on stack...more >>

Dynamic help topic links show properly and search brings up links, but when any link is clicked I receive a "Page Cannot be displayed message in the Explorer window and the title bar of Visual Studio reports that it cannot find server. What server is this? The start page works fine going to t...more >>

Is there a way to set Permissions based on user roles by using some configuration file for my application ? I'm coming from a Java background, where that could very easily be accomplished but although I've searched around MSDN I can't find a clear answer to this ... Thanks a lot guys, An...more >>

what are the pros/cons of uploading a file into a database (like access, sql server, oracle) vs. uploading a file into a folder (and only storing its path in a database table) ? i've never had to upload a file into a database and am assuming it's easier to just put files in a folder with it...more >>

Hello, I've recently installed .Net 2003 Enterprise Developer. Prerequisites were also installed, including .Net framework 1.1. But when I open the IDE and try to create a new VB.Net windows application, I get a bizarre runtime expeption below: "The following exception has occurred: Fon...more >>

Hello, I use VB.NET and have a series of linkbuttons that are inside individual <td>s. Like this: <td background="image.gif"><asp:linkbutton id="myID" runat="server"/></td> I would like the background of the td to be different for the currently selected linkbutton than for the other li...more >>

My boss asked my if is it possible run IIS + ASP.NET pages in a machine where today is running an web site built in cold fusion 4.xx ? Anyone has been passed trhough this experience? I think it will need more RAM memory, but anyone has observed some kind of conflict? thanks in advance....more >>

is is possible to do this ? System.Diagnostics.Process.Start(@"c:\LERlib\FoxParse\Programs\PARSE.EXE"); from my asp.net (v1.1) page? I am running on my localhost web server. the exe runs fine at the command prompt. it writes to a local folder or a mapped server drive. I have temporaril...more >>

Greetings, Like to print series of registry in printer dot matrix (32 columns) that it has installed drivers generico single text, if they could pass algun Link or example to me of like doing it. Franklin Marcano ...more >>

I'm designing an application that will be run on LAN-connected desktop PCs, and will also be run on laptops that may or may not be disconnected from the LAN. The application also needs to continue functioning if the network goes down. Looking for code to determine if a LAN connection is pre...more >>

Hi, Let's say I have one datatable, that I want to use as the datasource for 2 dropdowns. So both are bound to the same one. But now, when I select a row in dropdown A, the selected row in dropdown B changes to the same thing! Each dropdown represents a different column in the main record ...more >>

Hi, I'm going to be developing a small web interface that will be extending a Pervasive SQL application. Basically it will need to login with user's credentials and then query the Pervasive database app, play with the queried data, and then present the info on a web site for the user to se...more >>

Why does addnew fail when I have a checkbox bound to a sql bit column? steps to recreate the problem: 1 - Create a table in sql with a varchar and a bit column. 2 - Add a couple of records to the table so you can see that the dataform is actually working 3 - Use the DataFormWizard to creat...more >>

i create a setup project from VS .NET. how do i run a reg file after finishing installing a program automatically? ...more >>

Does anyone know how to create a search in VB.NET to search for a user in Active Directory? I am able to do a search if I enter the EXACT username, but I would like to create it so that if I type in a partial username it will return usernames that are like my inputted text. I appreciate you...more >>

I've been struggling with this question for a while. What is better design? To design functions to return error codes when an error occures, or to have them throw exceptions. If you chose the former, i have a few questions that need to be answered. 1) What about functions that need to retur...more >>

I have a problem... A webservice I built check the version of an assembly by using this code: app = [Assembly].LoadFrom(Server.MapPath(appName & "\" & assemblyName)) ' Return it's version Return app.GetName.Version.ToString when another app is uploading a new versio...more >>

I have to show a Windows Form user control in a web page using the object tag. Now i have configure the security configuration on the client side using Caspol.exe. Now i need to give all the assemblies downloaded from the url "http://myserver" certain security permissions. how do i do tht wit...more >>

Hi all, Sorry for the repost but I'm still hopeful... Is there a way for serviced components built in .NET for COM+ consumption (so they show as COM objects when adding a reference) to be used in a .NET project? I'm working through a components section of a book and the examples keep build...more >>

One of my team memebers wants to pass a VB Collection to use as a pick list for a drop down box on an aspx page. I have to use C# for the code behind for the aspx page. I can not find a collection object or any way to convert the collection to something that C# will use. I would like to hear a...more >>

Best way to convert back a currency string into a number(int or long)? If I have, for example, $ 15.000,00 what is the best way to make it again an int or long? pls help!, Juan. ...more >>

I have a VB.Net app that (amongst other things) needs to be able to restart the computer. Can anyone provide me with a working example. I have used the ExitWindowsEx method in a VB6 implementation of this app, but i do not know how to make this work in .Net...more >>

I've got a datagrid with a remove button and I would like to add some code in the code behind page so as whenthe button is clicked the corresponding row in the datagrid is removed. The Datagrid is populated by the items in an arraylist shown in the code below. When the button is clicked I wou...more >>

Hi, Our company uses IBM AS400 and DB2 (version 4.5 I guess). I have to do some report but I donot know how to access the AS400 DB2. I search IBM unfortunately IBM site in mess. Can anyone tell me how to access AS400 DB2 so I can use VB.NET for my application to create a report? I also l...more >>

Was wondering if it is possible to take the contents of a row in a datagrid and use an event to copy over the details of the selected row into another datagrid. I'd like to be able to do the following: - I have a datagrid on my page which comes back as follows. The addresses are in a colu...more >>

Hi, I want to read an html page written in chinese and store it in a file having extension .aspx , I'm not sure where is the problem, I use the following lines of code: String sAddress = "http://babelfish.altavista.com/babelfish/trurl_pagecontent?lp=en_zh&trurl=http://www.etantonio.it/EN/index...more >>