create table type in sql server and insert Update data using store procedure
  Demo.aspx    < html >   < head >   < title > Pass Data Table </ title >     < script  src ="js/jquery-1.3.2.min.js"  type ="text/javascript"></ script >       < script  type ="text/javascript">           $(document).ready( function  () {               $( '# <% =dropproduct.ClientID %> ' ).change( function  () {                   var  result = $( '# <% =dropproduct.ClientID %> ' ).val().split( ',' );                    if  ($( '# <% =dropproduct.ClientID %> ' ).val() == "---Select---" ) {                     }                 ...