my requirement is.
I have two dropdownlist firt dropdownlist name is ddlstockname and second one is ddldepartmentname
suppose first time i selected in ddlstockname is "papers" and first time selected ddldepartmenname is
"lab" . second time if i select same "papers" and "lab" i want display one message box like this stockname already given to
"lab" department. if ddlstocknaem select "papers" and select another ddldepartmentname it's ok.
please send me . thankyou.