Try this: If sstbMyTabs.Tab < allTabsCountUp Then     sstbMyTabs.Tab = sstbMyTabs.Tab + 1 Else     sstbMyTabs.Tab = 0 End If Cheers, Pablo.ar

They will not be called for Datagrid, but they will be called for DataGridTextBox.

"Protect"?? - you can't. It's such an easy method to get around it's not worth the effort. Check into professional security package. Just Google for "developer application copy protection". RageInTheMachine9532 "...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome

AbuFahed wrote: Can i use a c# application as a part of vb.net application ?? Yes. AbuFahed wrote: Is the compilation of the c# part must be done with the vb part ?? No, the C# part and the VB.NET part are compiled into different assemblies. AbuFahed wrote: How ?? Add the C# part to a solution. Add the VB.NET part to the same solution. If the C# part uses code in the VB.NET part then add a reference to the C# part referencing the VB.NET Project, and vice versa. Does this help? "You can have everything in life you want if you will just help enough other people get what they want." --Zig Ziglar The Second EuroCPian Event will be in Brussels on the 4th of September Can't manage to P/Invoke that Win32 API in .NET? Why not do interop the wiki way! My Blog