SP People Picker Validation
pplpicker4.Controls.Clear(); ------> Used to clear the peoplepikker control (it means that clearing the user in people pikker ) validation message fire when user cliks in submit button Change with PeoplePicker ID By Using Inspactelement ...... <script type="text/ javascript " language=" javascript "> function CheckReportsTo (source, arguments) { if (aspnetForm. ctl00_PlaceHolderMain_pplEHOD _downlevelTextBox.value == "") arguments.IsValid = false; else ...