int id = Convert.ToInt32(txtusername.Text);
db2Entities db = db2Entities();
string query = (from c in db.AdminTables
where c.AdminID == id && c.AdminPassword == txtpassword.Text
select c.AdminFirstName).FirstOrDefault();
if (query != null)
{
Response.Redirect("/Admin/Dasboard.aspx");
}
else
Response.Write("Invalid User");