regarding validation in c#

Question

hi! i need the validation for a textbox( in c# or vb.net) so that it sholud take numerics only though i give any character it should not display it do i have any method ?or do i have to use Convert ot int .parse? plz help me

Sandilian Arumugam · Answer

Hai Friend This might help you. Client Side Validation function isValidNumeric(evt) { var charCode = (evt.which) ? evt.which : event.keyCode if (charCode >= 48 && charCode { return true; } return false; } protected void Page_Load( object sender EventArgs e) { txtAmount.Attributes.Add(onKeyPressreturn isValidNumeric(event);); }

Manish Dwivedi · Answer

Hi you can use the compare validator for that I am posting the code for you. asp : CompareValidator ID =CVOnlyInteger runat =server ErrorMessage =Values should be integer only ControlToValidate =textBox1 Operator =DataTypeCheck Type =Integer> asp : CompareValidator > Happy Coding!!