How do I prevent numbers to be enter in a textbox ?

Question

Hi guys I'm just starting with C#. I gotta do this for my project and have a hard time doing it.

I've gotta prevent people from entering numbers in my textbox of the program so they don't spoil it but I can't find anything that could do it. Anyone has any idea how? Tell my please thank you!!!

Techy Wizard · Answer

You can use the Masked Textbox control. Set the mask property to '?'.

Ryan Alford · Answer

am I missing something? did he state that this was a web page?

Niradhip Chakraborty · Answer

Call this javascript function on onkeypress of textbox. function isNumberKey(evt){ var charCode = (evt.which) ? evt.which : event .keyCode if (charCode > 31 && (charCode 57)){ alert( Please enter digits ); return false ; } else { return true ; } }

Sivangari Vytheswaran · Answer

Hi using Onkeypress event u can solve ur problem. write the code in java script 1.First find the keyboard event code. var key=e.keycode; 2.convert to this code to char and compare this char with ur string(if u give integers in this string u allow integer only.otherwise if u give a to zu allow only char) 3.if condition satisfy return trueotherwise return false. 4.above funtion called in textbox onkeypress event.