private void bindsender()
        {
            PurchaseBillDAL objBill = new PurchaseBillDAL();
            DataTable       dt      = objBill.BindSenderForPurchaseBill(ApplicationFunction.ConnectionString());

            ddlPartyName.DataSource     = dt;
            ddlPartyName.DataTextField  = "Acnt Name";
            ddlPartyName.DataValueField = "Acnt Idno";
            ddlPartyName.DataBind();
            ddlPartyName.Items.Insert(0, new System.Web.UI.WebControls.ListItem("--Select--", "0"));
        }