protected void btnseach_Click(object sender, EventArgs e)
 {
     if (txtsearch.Text == "")
     {
         lblmsg.Text = "Enter student name !!";
     }
     else
     {
         List <Student> _StudentList = new List <Student>();
         _StudentBL           = new StudentBL();
         _StudentList         = _StudentBL.BL_Student_Select_BY_NAME(txtsearch.Text + "%");
         GridView1.DataSource = _StudentList;
         GridView1.DataBind();
         MultiView1.ActiveViewIndex = 0;
         lbl.Text = GridView1.Rows.Count.ToString() + " Student Found.";
     }
 }