title: how to join two datatable datas into one datatable to show in one gridview in asp.net
body: <p>how to join two datatable datas into one datatable to show in one gridview</p>
  
  <p>i.e in 1 datatable i have username and pwd and in another datatable i have that user details. how to show all these in one datatable to get those values display in gridview(asp.net)</p>
  
  <p>any idea????</p>