private void picLlth_Click(object sender, EventArgs e) { UCFMaterialReturnManager uc = new UCFMaterialReturnManager(); string tag = "CL_RepairBusiness_FetchMaterialReturn|CL_RepairBusiness|CL_RepairBusiness_Reserve"; UCBase.AddUserControl(uc, "领料退货单", "CL_RepairBusiness_FetchMaterialReturn", tag, ""); }