private void BindControllersList(string technologyId) { DataTable dataTable = new DataTable(); ControllerRepository controllers = new ControllerRepository(); dataTable = controllers.GetControllerAssign(int.Parse(technologyId)); ddlContrcoller.DataValueField = "ControllerId"; ddlContrcoller.DataTextField = "ControllerName"; ddlContrcoller.DataSource = dataTable; ddlContrcoller.DataBind(); ddlContrcoller.Items.Insert(0, "--Select Controller--"); }