public void citynamesbinding()
{
Code cd = new Code();
DataSet ds = cd.viewcitydata();
if (ds != null && ds.Tables[0].Rows.Count > 0)
{
DropDownList1.DataTextField = "Name";
DropDownList1.DataValueField = "ID";
DropDownList1.DataSource = ds;
DropDownList1.DataBind();
DropDownList1.Items.Insert(0, "Select City");
}
}