Visual Basic .NET Forum

How can I know type of file, music video or something else, in VB 2005 without looking extension.

We have a scenario where we want to fetch XMLNode from XPathNavigator object. Please help.

Here is a way to limit user input in a textbox to only numeric characters. I have created a function and I put mine in a Class module that holds my custom functions. The function is called from the KEYPRESS event of any textbox control where you want to limit to numeric input. The only parameter you may wish to change is the last parameter...

i have a prob that i have a gridview on the parent window.when i open a child window using showmodaldialog,i enter some data in the textboxes.now when i close my child window i want to display the text entered by me in the grid. i want to know how can i access the grid in child window plz help me

I am developing a software using vb.net and SQL server as database . it takes the name of my system in connection string and when i try to load my software in other computers it search the same name.how can i define a connection string that takes the name of system on which software is loaded?

Recently i developed a small program using VB. The program is complete but when i debug or run it it give the error "ajaxcrystal.report" on all files of the program. How can i eliminate this error?

How to insert a new record in Access database using VB.NET ?

How to communicate with a USB port using VB.NET?

Am using vb.net 2008 and sql 2008 How can I delete the last row of a record based on the condition that if the column FileNo is more than 15 then it should get deleted order by Fdate column desc. I want the rows should get deleted from starting from the last row. Thanks Gurus Ben

how convert hex to vb.net

I have a dataset that is being populated from a text file. example: OrderNumber,Name,Model,Cost 123,john doe,product1,20.99 123,john doe,product2,10.75 There can be multiple of the same order number. In the dataset, I want to have a column "line number" and I want to put in it the value of the linenumber (in this case 1 and 2) per order....

Hi Everyone, I am using a kodak image control in my windows application using vb.net. Now, My Question is that how can i get the initial size and make zoom in and out work? Pls. help me out if any one knows regarding this. Thanks in advance, rsk.

السلام عليكم i need help in write code for arrows up down left right like that found in keyboard by VB.net

How can i call sqlserver 2008 user define function in vb.net?

Hi, I've been developing databases for research using ms access for the last few years. The application is used on accross a hospital network and while it was slow initially, it starting to come to a grinding halt as numerous users are accessing it at once. I've been debating whether to try and develop the front end using vb.net in hopes...

hi. i am using the following code in vb.net wich opens me the folder to select excel but i dont know how to import these values to sql.Any ideas? Thank you in advance...zoi Dim BatchConn As New OleDb.OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0; " & _ "Data Source=" & XlsPath...

i am working a "image processing system" project in vb.net using the ms access2007.i have to browse by clicking a button and open a image to display its name to a text box and that image to picturebox.and after that i want to add,del and extract those images to the access database.i want to use datagridview control also. can u help me please?

Hello My problem is similar to the one described in this article, but I'm trying to use a different grid (DevExpress.xtraGrid) and therefore the answer (if it even works) does not apply for me: http://bytes.com/topic/visual-basic-net/answers/349635-binding-collection-datagrid-without-showing-all-columns Briefly, I'm binding the grid to the...

Hi All, I am using a com object to maniplate data inside an external program using VB.NET. One of the methods this com object provides requires 1 string parameter. The external program, however, requires a sting of a specified length, regardless of the number of characters used. The string to be passed to the function (length 36) is a...

please help me in forming the use case and class diagrams of RF-ID based attendance system.........

I have a Comobox1 with Text within it, i want to be able to allow a user to click on any text with in the Comobox and when the user clicks Add the Text should show up in ListBox1 how do i do this?

Hi, Does anyone know how to add values in Listview? I've create a listview, I have 4 columns. When I run my program, I can see the columns header but can't see my data. I added this code: Dim lstStuff As New ListViewItem lstStuff.Text = "First column output" lstStuff.SubItems.Add("Second column output")

hi I'm making a macro in excel that loads up internet explorer and fills out a form. I'm able to do all of that but i have a hard time to trigger a javascript onchange event that is triggered when a user manuallay types a number in the textbox and clicks outside the box. here is my code for that text box ' Inserts unit sales price ...

1) VB Allows non-type template parameters 2) VB supports explicit specialization 3) VB allows the type parameters to be used as the base class for the generic type 4) VB allows a generic type parameter itself to to be a generic 5) VB enforces that all codes are valid for all types of parametrs what would be the Best Choice ?

Hi all, im new to coding (started coding last month) so im a little stuck on how to do this, im making some emulation programs to learn coding with, and a part of it is to point the app to a .iso/.bin file and scan the data inside of the iso/bin to check if a file exists. Thats the basics of it, heres what 1 of the iso's look like in a iso...