private void 除房间ToolStripMenuItem_Click(object sender, EventArgs e) { if (tvRoom.SelectedNode == null || tvRoom.SelectedNode.Tag == null) { return; } HIS.Model.SS_ROOM room = (HIS.Model.SS_ROOM)tvRoom.SelectedNode.Tag; if (roomop.IsExistBed(room.ROOMID)) { MessageBox.Show("该房间还有已占用台次,不能删除该房间 "); return; } if (MessageBox.Show("您确定要删除该房间及该房间的所有台次吗?", "", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No) { return; } if (roomop.DelRoom(room.ROOMID)) { tvRoom.Nodes.Remove(tvRoom.SelectedNode); BindBeds(); } }