async private void DeleteUser(string username) { var dt = serviceClient.GetUserInfo(username).Tables[0]; if (dt.Rows.Count < 1) { return; } var roleID = dt.Rows[0][0].ToString(); if (roleID == "0")//admin { return; } if (MessageBox.Show($"确认要删除用户【{username}】?", "提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning) != DialogResult.OK) { return; } int delV = await serviceClient.DeleteUserAsync(username); if (delV == 1) { SelectAllUser(); MessageBox.Show("删除成功!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information); return; } MessageBox.Show("删除失败!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information); }