private void BindQuotationNos() { invObj = new InvoiceClass(); DataTable dtQuot = invObj.GetQuotationNoForInvoice(); if (dtQuot.Rows.Count > 0) { ddlQuotationNumber.DataSource = dtQuot; ddlQuotationNumber.DataValueField = "quotNo"; ddlQuotationNumber.DataTextField = "QquotNo"; ddlQuotationNumber.DataBind(); } ddlQuotationNumber.Items.Insert(0, new ListItem("-- Quotation No --", "0")); }