public void LoadData() { ddlPerson.Items.Clear(); objDataSet = objMaster.GetUnameBname(); ddlPerson.DataSource = objDataSet.Tables[0]; ddlPerson.DataTextField = "Username"; ddlPerson.DataValueField = "User_Id"; ddlPerson.DataBind(); ddlPerson.Items.Insert(0, new ListItem("-- Select --", "0")); }