satya - Wednesday, May 23, 2007 1:52:30 PM

basic article from msdn

basic article from msdn

satya - Wednesday, May 23, 2007 1:55:17 PM

requiredfieldvalidator sample

<asp:RequiredFieldValidator 
   id=thisValidatorControlId
   ControlToValidate=controlToValidateId
   ErrorMessage="UserName is a required field." 
   EnableClientScript=true 
   Display=None Runat=server/>

satya - Wednesday, May 23, 2007 1:56:40 PM

Validation summary

<asp:ValidationSummary 
   id=ValSummary 
   HeaderText="The following errors were found:" 
   ShowSummary=True 
   DisplayMode=List 
Runat=server/>

satya - Wednesday, May 23, 2007 1:58:42 PM

validation controls

RequiredFieldValidator
RangeValidator
CustomValidator
ValidationSummary
RegularExpressionValidator

satya - Wednesday, May 23, 2007 2:00:57 PM

See here for a summary of the validation controls

See here for a summary of the validation controls