private void BT_Delete_Click(object sender, EventArgs e) { DialogResult res = MessageBox.Show("您正在试图删除一个用户,该操作是不可逆的,您是否确定要进行此操作?!", "警告!", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button2); if (res == DialogResult.Cancel) { return; } try { UserManager_Client.DropUser(TB_UserName.Text.Trim()); } catch { MessageBox.Show("请先删除其他对该用户的引用!如订单以及各种处理痕迹"); } List_UserEX = UserManager_Client.SelectUserEXInfo_All().ToList(); List_User = UserManager_Client.SelectUserInfo_All().ToList(); LB_UserName_SelectedIndexChanged(null, null); }