private void BindPartyName()
{
obj = new BindDropdownDAL();
DataTable dtParty = new DataTable();
dtParty = obj.BindPartyForSale(ApplicationFunction.ConnectionString());
obj = null;
ddlPartyName.DataSource = dtParty;
ddlPartyName.DataTextField = "Acnt_Name";
ddlPartyName.DataValueField = "Acnt_Idno";
ddlPartyName.DataBind();
ddlPartyName.Items.Insert(0, new System.Web.UI.WebControls.ListItem("Choose Party.......", "0"));
}