hi in VB6 (Listbox and Combobox) have nice Properties called (Item Data) when i go to VB.NET i can't Find this Properties :( please help me , i want Save tow value in one item in ComboBox 1 - Text like (CostumerName) - to show it to user. 2 - Integer (CostumerId) - to working in Database. an...more >>

Hi, In a nutshell, my question is: how do i make a dll that I compile from vb.net code register and work like one compiled as an ActiveX dll in VB6? The IDE of my copy of visual basic.net does not provide me with the option to build a class library (dll)--instead I can use the command li...more >>

Hiiiiiiii all I m new to vb.net. I want to add about 100 menuitems at runtime to Tools entry in main menu. Main menu consist of three entries File , Tools ,Help. Previously i was using Vb 6 & was using API's to add these menuitems to main menu at runtime. Any Help ? or Sa...more >>

Hello, I am making a app that creates a thread to show a clipboard. If the clipboard is double clicked, another window is displayed, the event is handled inside the main app. What I would like to do is have the clipboard use the main thread of the application that called it to handle the ...more >>

I posted this problem a couple of days ago but felt I might have better luck re-stating the problem. Apparently I messed up IIS (v. 5) somehow because I am suddenly unable to load web forms! A simple example will help. I created a simple web project [WebTest] that contains two simple form...more >>

hi guys I have got a datareader, now I wanna move next or move to last or move to first. How can I do it? thanks hui ...more >>

This is a multi-part message in MIME format. ------=_NextPart_000_0021_01C4D719.5F2DFC60 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi all, Can any one give details about plug-in models in .NET?=20 We have an application which will cons...more >>

When I use Application.EnableVisualStyles() Public Sub New() MyBase.New() Application.EnableVisualStyles() Application.DoEvents() InitializeComponent() End Sub And I set the Flatstyle property of a button to System, and I set the Image property of the button, I can't see the im...more >>

Hi all Was wondering: Is there anything out there that will me able to represent ..sln or .vbproj files as .Net objects. I need to access the different properties of the files such as Project paths and names in an .Sln file, and Reference paths and config properties from a ..vbproj ...more >>

I have created a custom class inheriting CollectionBase and implementing IBindingList. I am binding the list to a datagrid. I would like to have a property on the class that works like the RowState of a DataRow that can tell the datagrid not to display the item anymore after it is marked for d...more >>

Hi everyone, I'm new to the .NET technology. I have a Web Form with data fields which I want to print to the printer. I don't want to use the IE's default print because I can't have my own Header & Footer. Does anyone know if there's anything else that I can use to print which allow me to ins...more >>

Hi, I am trying to write code to retrieve the small icon for an application in C#. I am using SendMessage with WM_GETICON for this purpose but the return value I get is 0. I don't understand this. Is that expected? What am I doing wrong? Any help would be appreciated. Here is the snippet of c...more >>

Hi all, Is there a way to hide a member in a subclass that has been inherited from a base class? Lets leave aside any issues regarding whether its a good idea for a moment. Here's an example similar to what I'm thinking about. Lets suppose I make a class called RoleCollection. RoleCo...more >>

I would like to create a box-like caret for a textbox(vb.net) . Any idea. Sample code would be nice. DT ...more >>

Does a Windows desktop application (not a web app) written with .NET require the .NET framework be installed on the users machines?...more >>

Hi I know there are products out there that can do this like http://www.psynch.com/technology/ska.html What is the code that is used to Reset a Users password so the next time they logon to the domain they are promoted for a new password? I know the code will have to run under the Admin. ...more >>

I am creating a Windows application using C# in .NET. In one of the windows, I have to show a scrollable list of user objects. Those user objects contain various controls themselves (textbox, buttons, etc) and are all of the same type of user object - just showing different data. In this cas...more >>

Hi all, I am running into an issue trying to close a form from another form. I have a main form called MainForm. A child form is opened in the MainForm as follows: Dim Form2 As New Form2 Form2.MdiParent = Me Form2.Show() Now from Form2 I am opening another form as follows: Dim Form3 ...more >>

Can anyone tell me why the code below won't work for me? It's not picking up the results from the "OTHER" sections of "General Developmental" and "LAB TEST RESULTS". Because the OTHER section worked for "Musculoskeletal", I have a feeling this is a result of the values for that column (Gener...more >>

i use c++.NET 2003.i simply make a windows form.2 text boxs( takes the number),a buton and another multilined textbox.So simple,when u hit the button it just takes the number in the 1st text box and 2nd textbox and writes to the multilined 3rd textbox.soo simple. code i have to use in the but...more >>

Hi, I have created a component say MyAssembly.dll in .net and gave it t strong name. I have compiled the dll with 'Register for COM Interop' to true. Then I used Regasm to register it and create a tlb to use it in VB6.0. It works on my machine but dosent work on other machine. I get an follow...more >>

Does anyone know of a way to detect when another process has produced an exception? Is there any way to tell from their state or is there some sort of message passing involved? Persumabley there must be a mechanism I can hijack as Dr Watson currently manages to log all of the exceptions. Th...more >>

I am making a Windows EXE (.NET Visual Basic Windows Application). I would like to make it possible to open Excel Worksheets from my EXE. This should work independent of Excel version on client machine (it is out of my control to know what versions of Excel different users has.) Anyway let us s...more >>

I am trying to use SQL to return data from multiple tables at the same time. My first table is keyed on SSN. This table has an ID field in it. I will use this ID to find matching rows in 4 other tables. If any or all of the 4 tables do not have matching rows I still want to return a row fr...more >>

How can I concatenate values of two data columns and show the concatenated value in the third column. I am using a XML file which contains data and I am using DataSet’s ReadXml method to populate DataSet. I want FirstName and LastName column to show as one column containing full name. fo...more >>

Hi, I have 2 validators (RegEx and RequiredField) validating a single field. When one of these validators fires I want it to always render in the same position as the other one. The problem is that we are not using absolute positioning for placement of these validators. What is the eai...more >>

Hi! i get an error when my application run at this line of code, please help DNS.GETHostName Return Error Msg: An unhandled exception of type 'System.Net.Sockets.SocketException' occurred in system.dll Additional information: An operation on a socket could not be performed because the sy...more >>

Hi, does anybody have any idea how I can do this? I would like to avoid instantiating an excel application object as much as possible. I am able to read the file already by using ADO.NET. I would like to be able to finally remove the reference from my project file. thanks in advance....more >>

hai, At present I'm facing a strange problem. We are converting a project from VB to .NET One record contains Chr(0). Let the record be of length 1800. In the 50th byte of a record a chr(0) is there. While I use VB to read it's giving all 1800 bytes. But when I converted my VB to VB.NE...more >>

Hi, I wants to find minimum hardware requirements(Ram size, Processor speed, HDD size..) for smart client (C# window) application. So how to identify the requirements? Any tools or techniques? Thanks, Nirma. ...more >>

Could anyone tell me how to debug a Serviced Component (COM+) in .NET? I tried to attach the debugger to the host process, but failed, got error "unable to attach the process. There is no managed code running in the process. In order to attach to a process with the .NET debugger, managed code ...more >>

Hi, I ahave a web page, on which i have a placeholder control, a button control .. When i click on the button control it shoul add a user control to the placeholder control. I tried the same with textbox control, but whenever i click the button it adds only one textbox control to the page. H...more >>

According to Visual Studio 2003 Help files "In Internet Explorer 6 or later, the BeforeNavigate2 event fires only before the first navigation made in code. It does not fire when a user clicks a link on a Web page." If I want to intercept each webpage before it is rendered in the webbrowser ...more >>

Hi all I am having vb.net application which is using reference of dll which is created in ATL COM. I have one method in COM dll which i am calling in vb.net. First time application is working find. But if i try to call same method again without closing program, application is giving error tha...more >>

How to get asp.net session value from asp?...more >>

According to Visual Studio 2003 Help files "In Internet Explorer 6 or later, the BeforeNavigate2 event fires only before the first navigation made in code. It does not fire when a user clicks a link on a Web page." So what does fire? ...more >>

Question: - Does anyone know if the .NET 1.0 or 1.1 platform is distributed with XP SP2? I want to avoid reditribute the .NET binary if it is included in XP SP2. Thanks...more >>

Hi all I have some trouble. I hava configurable date format, for ex. like this 'yyyyMMdd' and I try to convert strings to date time, and .net give me an error 'string is not recognized as a valid DateTime', my code is: DateTimeFormatInfo df = new DateTimeFormatInfo(); df.DateSeparator = str...more >>

how do i access methods when the .net assembly was loaded with late biding? class Class1 { public static void Main() { System.Reflection.Assembly SampleAssembly; SampleAssembly = System.Reflection.Assembly.LoadFrom("C:\\SimpleSolutions\\asmload\\asmtoload \\bin\\Debug\\asmtoload.dll"...more >>

I am currently doing some research on reporting features provided / compatible with dotnet features. Our current application has excel reprots that are emailed both with an without scheduling through a web front end that uses coldfusion as well as asp. There are custom vb compnents that generate...more >>

how to load a C# dll from another C# assembly if the path of the loaded dll is not known until runtime ...more >>

How do i dynamicaly load and unload a C# dll at runtime ...more >>

When using the following code..... ------------------------------------ Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click Dim HTMLString As String HTMLString = TextBox1.Text Dim doc As mshtml.HTMLDoc...more >>

we are a group of developer, our intention is to developer free Microsoft ..NET components Initially source code is not available, so we are trying to find the appropriate license. All components are totally free and royalty free for commercial and non-commercial applications. So, developers ...more >>

Hi, Dotnet cannot upload huge files(more than 4 MB without tweaking the parameters in web config) http://support.microsoft.com/default.aspx?scid=kb;en-us;323246. So i am trying to upload files greater than 4 MB using FTP server. i am doing some socket programming as in http://support.micro...more >>

A web application of mine developed using C# + MS SQL runs fine normally. However when I stress test it with a load testing software (using about 60 simultaneous users) some instances start erroring out. I see two different errors. One is a "Object reference not set to an instance of an object....more >>

How many times a day do other's have to reset IIS or reboot a system? We are rolling out our first .NET application and during the pilot phase found that we need to reset IIS at lease 2-3 times a week, we have only about 50 users on it now! We have implemented exception handling and EIF and see n...more >>

I must have done something that has suddenly caused me to be unable to load a new web form when developing web apps. Simple example: WebForm1 has a button which when clicked simply does a Response.Redirect("WebForm2"). When I run the program and click the button I get "The page cannot be fou...more >>

Hi All, I'm writing a launcher program which checks for updates and copies them down to the client. However, I would like the user to be able to modify the settings for the launcher. As this runs automatically, I would like it to be configurable by the user holding down the shift key when dou...more >>

Hi. I have a webform datagrid which should sort whenever the column is clicked. However, when the column is clicked no sorting occurs and the datagrid (with the exception of the header) disappears. My code to perform the datagrid sort is below. My datagrid's AllowSorting property is TRUE. ...more >>