private void gvSalePlanList_CellDoubleClick(object sender, DataGridViewCellEventArgs e) { if (e.RowIndex > -1 && e.ColumnIndex > -1)//双击表头或列头时不起作用 { string sale_plan_id = Convert.ToString(this.gvSalePlanList.CurrentRow.Cells["sale_plan_id"].Value.ToString()); UCSalePlanViewSearch UCSalePlanView = new UCSalePlanViewSearch(sale_plan_id, this); base.addUserControl(UCSalePlanView, "销售计划单-查看", "UCSalePlanView" + sale_plan_id + "", this.Tag.ToString(), this.Name); } }