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Again, if that's the case, you need to write some conditional code, this time to check for Nothing first. I did some quick coding and it appears the problem is/was that the . I included this line before the main body of the code If Tbl Prescriptions Details Data Grid View.The Data Grid View control is highly configurable and extensible, and it provides many properties, methods, and events to customize its appearance and behavior. The following program shows how to implement different ways of cell formatting in a Data Grid View control.
As soon as it sees a duplicate value, it should end the loop and display warning. Wrap Mode = Data Grid View Tri State.[True] Data Grid View1. Allow User To Resize Columns = False Data Grid View1. That could be the case and if so, you must write some conditional code to ensure that you don't try to use the control before it exists.If it's the latter then that would indicate that there is no row current in the grid. " Videos: VB | C# VBForums Database Development FAQ My Code Bank Submissions: VB | C# My Blog: Data Among Multiple Forms (3 parts) | WP8 Turnstile Feather Transition with Pivot Control Beginner Tutorials: VB | C# | SQL Thanks for the quick reply.