private void Manage()
{
string result = BillingPurchaseVoucherBAL.Manage(Request.QueryString, Request.Form);
var billingPurchaseVoucher = new BillingPurchaseVoucher {
BPRID = Convert.ToInt32(result.Split(',')[0]),
BPRNo = Convert.ToInt32(result.Split(',')[1])
};
Response.Write(billingPurchaseVoucher.ToJSON());
}