private void btnRemove_Click(object sender, EventArgs e) { var row = dgvList.SelectedRows; if (row.Count > 0) { DialogResult result = MessageBox.Show("确定要删除吗?", "提示", MessageBoxButtons.OKCancel); if (result == DialogResult.Cancel) { return; } string id = row[0].Cells[0].Value.ToString(); if (bll.Delete(id)) { RemoveInfo remove = new RemoveInfo() { RId = Convert.ToInt32(id), RName = row[0].Cells[1].Value.ToString(), RTable = "HallInfo" }; RemoveInfoBll removebll = new RemoveInfoBll(); removebll.Add(remove); result = DialogResult.OK; LoadList(); } } else { MessageBox.Show("请选择一条数据"); } }