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;
}