Visual Basic .NET Forum

Hi, I am using an oledb data adapter to connect to an MSAccess 2003 database. I use bindings on my windows forms to bind fields to the controls and for text boxes and grids it has been fine. I am having problems with binding to a check box. It works fine until I attempt to add a new record to the dataset through the binding context...

FSO appears to provide more information -- specifically about the type of drive (i.e. floppy vs. hard drive vs. network drive vs. removable drive i.e. CD-ROM/DVD) than the System.IO .NET framework approach unless I just can't find the properties and/or method I need to get the information about a drive? I'm trying to use ...

Hi , I have started developing a database application , I say start as at this rate I see no finish. I have a windows form which is bound to mydataset table "Companys" and this works great binding the text boxes etc such as ; txtCompanyTelNo.DataBindings.Add("Text", myDataSet, "Companys.CompanyTelNo") I then want a datagrid to display a...

I am using VB.NET - VSNET 2003 and accessing data from an SQL Server. I am trying to convert a datetime field retrieved from the DB to a format like "MM/DD/YYYY" - I want results like "10/28/2004". I am trying the code: CDate((rdr1.Item("Date"))).ToString("MM/DD/YYYY") but when I look at the output it looks like this: 02/DD/YYYY

I am sure this is pretty basic but I have never worked with ResetEvents before, but how do I signal a ManualResetEvent of a module that is spun off into several threads? For instance, if I have 5 threads of the same Sub and they are all unsignaled, how would I signal them (or one of them)? Here is a sample of my problem... Thanks!! ...

Hi, I am trying to create a control that will display a vector image. The main purpose is to allow for the resizing of an image without pixelation. All of our image files are in AI(Adobe Illustrator) and we were thinking of converting them over to PDF and using some third party software to display the PDF. The only alternative I have found...

I want to be able to create a structure like I did in VB6, that have variables Name As String * 10 Age As String * 3 for the size of the strings. Can I do this some way in VB.net? I'm playing with <StructLayoutArribute()and <MarshalAs()attributes, but I'm not really wanting to expose these structrues to COM. I only want to use

Hi, I am reading a CSV file with the code below. When I run into a " (quote mark) in the file, I get a "malformed line" exception. Can anyone point me to a way to handle this? Thanks in advance, Al G

Hi Im an absolute beginner in programming and am using VB.Net Express. To start my larning I decided to do a "Real World" app instead of "hello world" and am creating a Poker Countdown clock. I pretty much have most things under control and have set it up as follows: Form 1 Contains a DataGridView where users enter in information...

I am using a web browser control in my program for bringing up files/folders in Windows Explorer on a given user's workstatino -- searching special files/folders on the company server. This works fine -- I call a default url to the special folder on the server and up comes Windows Explorer on the User's workstation and displays all the...

Is anybody familiar with the idea of TWAIN programming. I need to interface a TV card with my vb/vb.net application. Any comments are welcome. FarriJ

Hey :) I need to interface a VB.NET desktop app with TWAIN to capture from generic software devices. Anyone done this before or have a good tutorial? --

Hi !!1 I am making on application to contl the volume similar to sndvol32.exe . I got the some code in VB6. I am working in VB.NET so i ma trying to convert that ocde in VB.NET In VB6 i have these two functions in which they have used " As Any" I know that in VB.NET this is not supported but i am not able to find wht will i use...

....and how do I insert one into my form? I used in VB 6.0 last, but cannot figure out where it is in .Net Thanx, -- Anil Gupte www.keeninc.net www.icinema.com

I've got a dataset on a datagridview: fileds are code,descr,price,vatcode. I have to calculate the total amount of vat. Example: first row = price 10$, vatcode 20 second row = price 50$, vatcode 10 third row = price 10$, vatcode 20 So, I have a SQL Table with vatcode and vat%, for example vatcode 20 = 20%, vatcode 10 = 10% The goal is to...

I have some code that I use to drag and drop from treeview to treeview, now I want to adapt the code to drag and drop from listview to treeview. I am having problems adapting the code nor can I find a good article on the web on how to do this. I have attached below my source code that I have not touched. Can anybody point out where I would...

Hi, I want to use the "DockPanel Suite" or "DockManager Control" from Weifen Luo (http://www.freewebs.com/weifenluo/DockManager.htm). Did anybody here used them once? And did they work fine? And what about the DockPanel Suite? It is indicated as the new version of the dockManager, but it's also a Beta: Is it reliable? Would you recommend...

hi there here is my problem : there is a main form (frmMain) which calls a searchForm (frmSearch). Then i select an item (from the returned ones) and open a third form (frmData). Taking from there i can either : A. open a fourth form (frmComment) which is just a textbox and a button (and should return the text entered in the textbox into ...

I run into this situation all the time and I'm wondering what is the most efficient way to handle this issue: I'll be pulling data out of a data source and want to load the data into an array so that I can preform complicated operations against this data. The returned record count in these operations is always variable. 1. I have been...

Hi , I am in need of opening a new IE browser with an URL from my windows form, coded in vb.net. I tried with the following code. Dim psi As New ProcessStartInfo psi.FileName = "iexplore" psi.Arguments = "http://www.google.com" Process.Start(psi) it worked initially. But now I recieve the error

I know this is the VB languages new group. I have a .NET library (DLL) written in C#. I am adding examples to my documentation for my VB users. I have a VB example that will not compile. C# struct and enum: using System; namespace VLib {

I want to develop a class using VB.Net that can be used in a vba procedure of an Access database. After developing the class in VB.Net I believe I have to do the following: a. Compile the class. b. Register the class. c. Set a reference in the vba d. Instantiate the class in the vba I'm definitely a newbie in this area. So step by step...

Hi all! Can somebody tell me how to customize the tab stop position in a rich text box? Just like we do in MS Word by clicking the ruler! I've been searching the web but I can't find the answer! Please help me, thanks in advance!

I have a table Contacts with a field "Male" which is of type Bit (SQL Server). I've got two radio buttons in a panel, & one of them is bound to the above field, (so that one can see if the contact is a Male of FeMale - determine or change the gender). Below is the coding. BUT, if i have a record where the Male field is "NULL", then all...

Hi, I'm a newbie to VB .Net and am unable to locate an example of combine two different font types (Arial and Wingdings 3) in a display (text) string. Does anyone have an example of combining two font types together in a string that I could utilize? The text will be going into a button field and I wanted to use some of the symbols that are...