private void Getcountrytobind() { CanvasBizProcess canvBiz = new CanvasBizProcess(); DataSet dsCountryList = canvBiz.GetCountryList(); ddlCountry.DataSource = dsCountryList; ddlCountry.DataTextField = "countryname"; ddlCountry.DataValueField = "countryid"; ddlCountry.DataBind(); ddlCountry.Items.Insert(0, new ListItem("Select Country", "")); ViewState["countrylist"] = dsCountryList; }