protected void GvStaff_RowDeleting(object sender, GridViewDeleteEventArgs e)
        {
            StaffMst.Delete(Convert.ToInt32(GvStaff.DataKeys[e.RowIndex].Value));
            DataTable StaffDT = StaffMst.GetAllActiveData();

            GvStaff.DataSource = StaffDT;
            GvStaff.DataBind();
        }
 protected void Page_Load(object sender, EventArgs e)
 {
     if (!IsPostBack)
     {
         DataTable StaffDT = StaffMst.GetAllActiveData();
         GvStaff.DataSource = StaffDT;
         GvStaff.DataBind();
     }
 }
 protected void Page_Load(object sender, EventArgs e)
 {
     if (Page.IsPostBack == false)
     {
         DataTable StaffDT = StaffMst.GetAllActiveData();
         GvStaff.DataSource = StaffDT;
         GvStaff.DataBind();
         lblstaff.Text = GvStaff.Rows.Count.ToString();
     }
 }