Validating a textbox within the gridview

[C# Programming]

Hello,

In my application i am having a datagridview.

And in that datagridview one of the column is textbox.

I like to validate the textbox so that only numbers to be entered into

the textbox.

And on clicking the button a dialog box with error messesge to be

displayed if any other is entered into the textbox beyond the number.

plz, help me in doing this......

Thanks in advance http://www.barakasoft.com/script/Forums/Images/smiley_smile.gif