private void BindGrid()
{
int EmpID = (int)HttpContext.Current.Session["EmpID"];
PlaceOrderGridView.DataSource = POBizLogic.DataBind(EmpID);
PlaceOrderGridView.DataBind();
}
protected void PlaceOrderGridView_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
int EmpID = (int)HttpContext.Current.Session["EmpID"];
PlaceOrderGridView.DataSource = POBizLogic.DataBind(EmpID);
PlaceOrderGridView.PageIndex = e.NewPageIndex;
PlaceOrderGridView.DataBind();
BindGrid();
}