public DataTable baaarname()

        {

            try

            {

                if (con.State != ConnectionState.Open)

                {

                    con.Open();

                }

                DataTable sqlSet = new DataTable();

                SqlDataAdapter ss2 = new SqlDataAdapter("SELECT id , shb , shm , shsh, plk ,clr , cpn , mob ,cid , rid  from sanad where shb like N'" + shb.Text + "'", con);

                sqlSet = new DataTable();

                sqlSet.Clear();

                ss2.Fill(sqlSet);

                if (con.State == ConnectionState.Open)

                {

                    con.Close();

                }

                return sqlSet;

            }

            catch (Exception x)

            {

                MessageBox.Show("لطفا با پشتیبانی تماس بگیرید", "!!!پیغام", MessageBoxButtons.OK, MessageBoxIcon.Stop);

                return null;

            }

        }