vb.net 2010 - Text box to accept only numeric values -


text box accepts numeric values. have text box bank account number. want text box accept numeric values.

   `private sub data_keypress(sender object, e keypresseventargs) handles data.keypress     if (not e.keychar = chrw(keys.back) , ("0123456789.").indexof(e.keychar) = -1) or (e.keychar = "." , data.text.tochararray().count(function(c) c = ".") >  0)         e.handled = true       end if       end sub

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