Need a bit of code

Posts 12 of 2 · Page 1 of 1
Need a bit of code
does anyone know how to only allow numbers only into a textbox? and how if somthing goes wrong for it to show an error and carry on working?
Isnt there a option for textboxes for that? In C# there is. Or try a numberBox which is probably smarter anyways.
Posts 12 of 2 · Page 1 of 1
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