protected void drpbranch_SelectedIndexChanged(object sender, EventArgs e)
        {
            List <Student> _StudentList = new List <Student>();

            _StudentBL = new StudentBL();

            _StudentList          = _StudentBL.BL_Student_Select_BY_Branch(drpbranch.SelectedItem.Text);
            drpstudent.DataSource = _StudentList;

            drpstudent.DataTextField  = "STUDENTNAME";
            drpstudent.DataValueField = "SID";
            drpstudent.DataBind();
            drpstudent.Items.Insert(0, "SELECT");
        }
        protected void Button11_Click(object sender, EventArgs e)
        {
            if (drpbranch.SelectedIndex == 0)
            {
                lblmsg.Text = "Select Branch !!";
                MultiView1.ActiveViewIndex = -1;
            }
            else
            {
                List <Student> _StudentList = new List <Student>();
                _StudentBL = new StudentBL();

                _StudentList         = _StudentBL.BL_Student_Select_BY_Branch(drpbranch.SelectedItem.Text);
                GridView1.DataSource = _StudentList;
                GridView1.DataBind();
                MultiView1.ActiveViewIndex = 0;
                lbl.Text = GridView1.Rows.Count.ToString() + " Student Found.";
            }
        }