private void btnsave_Click(object sender, EventArgs e)
        {
            DataSet a = new DataSet();

            a = classDs;

            bool flag = false;

            ManageclsService.manageClass obj = new PakTurk_school_system.ManageclsService.manageClass();
            flag = obj.update(a);
            if (flag == true)
            {
                MessageBox.Show("updated!!!", "Success");
            }

            MessageBox.Show(a.Tables[0].Rows[0][2].ToString());
        }
        private void btnsave1_Click(object sender, EventArgs e)
        {
            bool flag = false;

            //int check = 0;
            ManageclsService.manageClass obj = new PakTurk_school_system.ManageclsService.manageClass();
            flag = obj.makeclass(clsName.Text, clsSection.Text, clsRoomNo.Text, clsCapacity.Text, comboStatus.Text);
            //       check = obj.makeclass(clsName.Text, txtsection.Text, clsRoomNo.Text, clsCapacity.Text, comboStatus.Text);


            if (flag == true)
            {
                MessageBox.Show("Class Created Successfully", "Success");
            }
            else
            {
                MessageBox.Show("Class already exits", "Error");
            }
        }
        private void comboClass_SelectedIndexChanged(object sender, EventArgs e)
        {
            string clsname = null;

            clsname = comboClass.Text;
            //MessageBox.Show(clsname);
            classDs = new DataSet();
            ManageclsService.manageClass obj = new PakTurk_school_system.ManageclsService.manageClass();
            classDs = obj.managecls(clsname);
            if (classDs.Tables[0].Rows.Count != 0)
            {
                dataGridView1.DataSource = classDs.Tables[0];
                //dataGridView1.DataMember = "ClassRooms";
                classDs.AcceptChanges();
                // MessageBox.Show
            }
            else
            {
                MessageBox.Show("there is no class of this name", "Error");
            }
        }