右键弹出菜单 并动态新增菜单子项
private void vAssetDetailDataGridView_CellMouseDown(object sender, DataGridViewCellMouseEventArgs e) { if (e.Button == MouseButtons.Right) { if (e.RowIndex >= 0) { if (vAssetDetailDataGridView.Rows[e.RowIndex].Selected == false) { vAssetDetailDataGridView.ClearSelection(); vAssetDetailDataGridView.Rows[e.RowIndex].Selected = true; } string typename = vAssetDetailDataGridView.Rows[e.RowIndex].Cells[0].Value.ToString(); AssetType listtype = AssetTypeBLL.QueryAllAssetType().FirstOrDefault<AssetType>(p => p.TypeName == typename) as AssetType; if (listtype != null) { List<AssetTypeExtend> listextend = AssetTypeBLL.QueryAssetTypeExtend(listtype.Id); cmsTypeExtend.Items.Clear(); for (int i = 0; i < listextend.Count; i++) { cmsTypeExtend.Items.Add(listextend[i].ExtendName); } } else { cmsTypeExtend.Text = "暂无属性"; } cmsTypeExtend.Show(MousePosition.X, MousePosition.Y); } } }