How to set the Key Char value in a text box to enter only numbers?

Question

Dear Friends I have a problem like this I need to validate the text box by allowing only for numbers. So How do you do that? I have found the given below code but actually I don't know which keychar is for which key. Could you plz anybody help me to validate the above mentioned text box and also if you have a chart or any reference which I can go through to understand that which keychar is for which character that would be a great help for me......... Thank you!

Santhosh Veeraraman · Answer

are you looking for ascii code chart? pls have a look at this: h ttp://www.web-source.net/symbols.htm

Brandon Lewis · Answer

You can use a masked text box and set the mask to allow on numerics. It will have a prompt character ( an underscore ) by default but you can change that.