text box validation

Question

in asp.net with C# code in textbox field want to type only numbers not characters please help me.please send code. Thanks Narasiman P

Satyapriya Nayak · Answer

Hi Narasimam Try this... Untitled Page function numeric_only( e ) { var unicode = e.charCode ? e.charCode : e.keyCode; if( unicode == 8 || unicode == 9 || ( unicode >= 48 && unicode { return true; } else { return false; } } Thanks

Jignesh Trivedi · Answer

hi you can acheive same using Java script Javascript code function allowNumeric(evt) { var charCode = (evt.which) ? evt.which : event.keyCode if (charCode > 31 && (charCode 57)) return false; return true; } Text Box Declaration. Also Refer http://www.codeproject.com/Articles/11006/TextBox-which-accepts-only-numbers http://www.codeproject.com/Tips/328178/Allow-only-Numeric-values-in-ASP-Text-box-control hope this will help you.

Santhosh Kumar Jayaraman · Answer

please see the attached solution. Use regular expression validator with expression \d+