hey all, i have a task to automate a simple process of once a week downloading a zipped file (updated weekly but given the same file name) from a website and processing the file. How can i make sure that the next file my app tries to download, isn't a file it's already processed? I wa...more >>

The following command plays a wave file and opens a media application: Process.Start("C:\Windows\Media\tada.wav") I would like to play a wav file without opening the default media player. How do I do that? ...more >>

Hi When printing coloured text from a RichTextbox, it turns out to be a quite and timeconsuming job to position all differently coloured strings on the Page with DrawString(). Is there a better method of achieving this, or are there samples somewhere? Couldn't find anything on MSDN. ...more >>

Hi. A newbie question, please: I have a function which gets some values from a database, based on a CategoryName. My function looks like this: Public Function GetProducts(ByVal CategoryName As String) As DataSet. I would like to be able to restrict the user to enter only one of the EXISTI...more >>

Does anyone have any code for making an image look greyed out, similar to the way images on buttons are grayed out when the button is disabled? - Don ...more >>

How to get best fit on row height I have a datagrid that I want to make sure that the row height is large enough to show the text in cells containing multiline text. Is that possible? TIRislaa ...more >>

I'm just a newbie in vb.net and I have this terrible problem. I want to use inputbox to get number. -User can give numbers starting from 0 -If cancel is pressed then default number stays -If text is given then messagebox gives error Thanks in advance... Newbie ...more >>

Well it happens again. I hate this IDE. No more debugging. F8 doesn't work. Setting breakpoints doesn't work. Worked last week. And yes the project is marked as debug. And yes it was rebuilt. Code in the form_load cannot be debugged with F8 and well I can't wait for 2005. Any new ...more >>

Hi, I'm encountering a strange phenomenon whereby a DataSet object is not releasing its memory when it's being disposed and/or set to Nothing. It is part of a Windows service written in VB.NET which fetches data out of a mySQL database, interrogates each row individually and takes various ...more >>

Hi, I've been askaing previously if a .NET windows control library (DLL) was handled by VB6, the answer was and is still no. But, I have a project library (an API) made in .NET, and my project is in VB6. I really need a .NET component that could wrap my .NET project library and make i...more >>

Hi, is there a variable in VB.NET that return the actual number of seconds (or milliseconds) in the current day? Something like the variable Timer in VB6? I can calculate it, but I wanted to be sure if this var exist. Thank you Marty...more >>

Hello, I'm trying to get from the ThreadExceptionEventArgs, but using the t.stacktrace I get a long error description. I want to get only the error class and error line. Is there a Way? Thank you ...more >>

Dear all, Is any method to covert to proper case? like STORE 'VISUAL FOXPRO' TO gcExpr2 ? PROPER(gcExpr2) && Displays "Visual Foxpro" please help Regards K R Lal ...more >>

Hello Sir, i need the funtionality of Using ADOX to create a JET Database and tables in it and one to many relationship between the tables. Thanks for your help Gaffar. ...more >>

In my windows form (VB.Net), I have a lengthy operation and a Stop button that allows the user to stop the operation. However, the Stop button will be available only after the operation is finished. The operation involves subs/functions from serveral classes, and I have problems to make it a ...more >>

I know my around VBA but am struggling to move over to .NET I have an application which has several forms with DataGrids filled from Access tables. In addition the user may choose to jump in and out of the same form several times. It seems to me that I have to set up a new OleDbConnecti...more >>

How can we change/reset the system date. Thanks in advance. RC ...more >>

Hi all, Have you worked on any project or example where in we can export data to Word Format with Page Brakes and Header & Footer Template. This is very important for my assignment. Thanks Arvind ...more >>

I need to be able to get the path to the users default browser from within my application. I am in a situation where I can't easily use System.Diagnostics.Process.Start to start their browser with the URL I want and I must resort to using "Shell". Of course, shell wants to know where the brow...more >>

Hi All I'm looking for some tutorials on registry (what it is and how to use it) for VB.Net. Does anyone have any articles or know any websites where I can read about it. Thanks in advance for any suggestions Regards, Sam ...more >>

Crystal 9.2 causes my application to crash when the user is on a slow computer, gets bored waiting for the reports COM components to load and switches focus to another window. It locks my app up hard and the user is forced to kill it with Task Manager. I'm so getting rid of Crystal the first cha...more >>

Rearranging the row position in a datagrid Hi I have a datagrid that I fill from a dataset. When the data is displayed in the grid I want the user to be able to move the position of a row. E.g. with a button move active row one position up each time the button is clicked or maybe drag the row ...more >>

Hiya Where does a function have to be placed so it is accessible to all the projects in a solution? Thanks in advance Geoff ...more >>

I have a .NET COM dll being called from another .NET service (.exe). I've added an app.config file to the dll, but it's not reading in the values. I've read on a couple of other posts that you need to add the key/value pair to the .NET app doing the calling, but this does not seem to work when ...more >>

Hi, Is there any way to get the time difference between Central(US) and GMT in vb.net. I'll appreciate your help/suggestion. Thanks RC ...more >>

According to the docs, calling Thread.Sleep(0) causes the thread to be "suspended to allow other waiting threads to execute." What happens if I call Thread.Sleep(500)? Do other threads not get a chance to execute during this time? What is the difference between the two? I have code that r...more >>

Hi, I am new to using databases in vb.net and i have created a access= database called employee it has a key field called employeeID. I= have gotton as far as creating the dataconnection, the= dataadapter and the dataset and I have bound it to a datagrid= just so that i can see that the d...more >>

Hi there. I've been searching the internet for weeks now trying to find out the fix to my problem (below) but I don't seem to be getting anywhere! I'm using Visual Basic 2005 2005 Express Edition (Beta) and am having some problems upgrading code from VB6 to VB.Net. I'm pretty much a new...more >>

If I have the code below and I want to check the link: http://abc.com/test_formRelative.cfm?DoProcess=1 How can that be done? The form link is relative and I'll need to somehow build the link. Also consider the relative path may look like this: ../test_formRelative.cfm?DoProcess=1 .../test...more >>

I have a control that inherits from TextBox class. I'm trying to add a AllowBlank property to the class. How can I get AllowBlank to show up in the properties window at design time? Can't find the right key words to find this in Google. Thanks guys. Chris ...more >>

Hello! I'm trying to create a cab file and extract it. XP is using a library for it, but i cannot find anything about it.... I don't want to use 3rd party's tools like cabarc/compress/extract. Can someone give me a tip for it? ...more >>

I have a VB.NET Windows Forms application which uses as a splash screen a Form which I want to cover, exactly and entirely, with a specified ..jpg PictureBox. So I specified the Form, the PictureBox and the .jpg image as having exactly the same sizes - 820 wide by 460 deep. This works pe...more >>

I have a combobox, when I use the mouse and click an item, then the SelectionChangeCommitted event fires. However, if I use the arrow keys and move up or down the list to a new item, then this event doesn't fire. Is there a way to capture it either way. Or, is this what the lost focus event i...more >>

Hi guys, I have a problem with my VS project, it keeps saying COM Interop registration failed. Could not find a type library for assembly 'Class1'. If I choose to continue, everything still work fine. If I type regasm class1.dll /tlb, it will create a .tlb file and solve the problem, but th...more >>

I need to validate the text in the textbox as the user enters them. If there is a wildcard character the user's entry should be cleared. How do I do this? I am having a problem in setting the keychar/keycode to vbkeyclear as they are readonly. When I used VB6, I set keyascii to vbkeyclear....more >>

How can I reset(Start again from 1 after I delete all records from the table) the 'Seed' of an AutoNumber field in a MS Access database. Thanx Nitin ...more >>

I want to make a small window popup when the mouse hovers. I've looked in the Help but can't find any info (probably can't think of a good keyword) Are ToolTips control used for that? Any suggestions? Thanks ...more >>

I have developed a service in VB.NET that accepts startup parameters. Everything works fine on my machine, but when I deploy the service on another machine, I get the following error when I try to start the service: Specified argument was out of range of valid values. Parameter name:newAddres...more >>

In eVB I am able to use Pocket Access for my standalone application. Can Pocket Access be used in .NET compact framework using VB.NET? What is the best option to use for a database? I am not trying to create an enterprise application, but rather one for a home user and wasnt sure if SQL Ser...more >>

Hey guys, I have multiple forms in my windows app, and in my startup form i am doing the following in order to navigate to a different form: Dim myform as New frmsecondform frmsecondform=mynamespace.originalsecondformname myform.show As soon as I try to run the application, the main form ...more >>

Hi All, I am building an application which needs to search for an address within a SQL database. The principle is that when you enter the first Alpha charecter it creates a search string to query the database, there for if you typed in "10 b" you would retreave all the entries that started...more >>

Hi all, I want to implement a search in a DataGrid. My datagid is bounded to a DataTable. I know that there is a DataTable.DefaultView.Find() method, but this method only searches exact matches. I want a sensitive search. E.g.: Suppose I've a "Danny" value on the sorted column and I searc...more >>

i have an application in VB .NET. I am trying to get UserName and Domain from my Computer using the following code and it was working properly until i reinstalled Visual Studio .NET (i had an other problem). I am not sure tha this action generated the problem, but i don't know what to check to...more >>

Hi! Perhaps this is a silly question -- I have a number of .vb files that contain mulitple related classes. I'd like to collapse them - which I can do. The problem is that when I close and re-open the solution the classes begin all expanded again. I must be missing something. Can some...more >>

how do i get icon in richtextbox's control in vb.net similar to msn chat? ...more >>

With a TreeView control and a MouseHover event is there a way to determine which node we are hovering over? Thanks in advance ...more >>

With a TreeView control and a MouseHover event is there a way to determine which node we are hovering over? Thanks in advance ...more >>

Hi all, Hope some one can help me. I am trying to databind a dataset field to the form text property. I am using the following code which works fine. me.databinding.add("text",dsAddress("Address"),"PropRef") However what I really want to do to add the work "Found - " before the addres...more >>