how to join two datatable datas into one datatable to show in one gridview in asp.net

Question

how to join two datatable datas into one datatable to show in one gridview

i.e in 1 datatable i have username and pwd and in another datatable i have that user detai

Answer 1

on=new SqlConnection("Data Source=MCN101; Initial Catalog=MergeTable; Uid=sa; pwd=");
da = new SqlDataAdapter("Select * from Table1", con);
da.Fill(ds1, "Record");
da = new SqlDataAdapter("select * from Table2", con);
da.Fill(ds2, "Record");
ds1.Merge(ds2);
GridAllRecord.DataSource = ds1;
GridAllRecord.DataBind();