private void cmdSearch_Click(object sender, EventArgs e)
        {
            BindingSource source = new BindingSource();

            server.Service1 server = new server.Service1();
            if (txtSByName.Text != "" && txtSBySec.Text != "")
            {
                MessageBox.Show("Kindly fill only one box!!");
            }
            else if (txtSByName.Text != "" && txtSBySec.Text == "")
            {
                source.DataSource = server.SearchByName(txtSByName.Text);
            }
            else if (txtSByName.Text == "" && txtSBySec.Text != "")
            {
                source.DataSource = server.SearchBySection(txtSBySec.Text);
            }
            else if (txtSByName.Text == "" && txtSBySec.Text == "")
            {
                MessageBox.Show("Please fill aleast one textbox for search!!");
            }
            DGVdata.DataSource = source;
        }