protected void Page_Load(object sender, EventArgs e) { if (!Page.IsPostBack) { DataSet ds = marclass.GetMarketingEmailID(); ddlEmailID.DataSource = ds.Tables[0]; ddlEmailID.DataTextField = "emailid"; ddlEmailID.DataBind(); ddlEmailID.Items.Insert(0, new ListItem("--Select--", "--Select--")); ddlEmailID.Items.Insert(1, new ListItem("ALL", "ALL")); } }