SqlCommand cmtest1 = new SqlCommand("insert into tbl_admincreation_bs(tur_emailid,last_login_time)values(@emailid,@time)",cn);
cmtest1.Parameters.AddWithValue("@emailid", txtusername.Text);
cmtest1.Parameters.AddWithValue("@last_login_time @time", DateTime.Today.ToString());
cmtest1.ExecuteNonQuery();
cn.Close();