protected void Page_Load(object sender, EventArgs e) { DeptController deptController = new DeptController(); if (!IsPostBack) { GridViewDept.DataSource = EFBroker_DeptEmployee.GetDepartDetailInfoList(); StationeryEntities smodel = new StationeryEntities(); GridViewDept.DataSource = deptController.GetDepartDetailInfoList(); GridViewDept.DataBind(); } }