private void BtnOk_Click(object sender, RoutedEventArgs e)
        {
            string _old = txt_Old.Text.Trim();
            string _new = txt_New.Text.Trim();

            if (string.IsNullOrEmpty(_old) || string.IsNullOrEmpty(_new))
            {
                MyFormExtensionMethods.MessageBoxShow("内容不能为空!", "错误");
                return;
            }
            var user = viewModel.userService.QueryableToEntity(x => x.id == viewModel.EditModel.id);

            if (user.user_password != _old)
            {
                MyFormExtensionMethods.MessageBoxShow("原密码错误!", "错误");
                return;
            }
            else
            {
                viewModel.EditModel.user_password = _new;
                bool re = viewModel.userService.UpdateEntity(viewModel.EditModel);
                if (re)
                {
                    MyFormExtensionMethods.MessageBoxShow("修改成功!", "提示");
                    this.Close();
                }
                else
                {
                    MyFormExtensionMethods.MessageBoxShow("修改失败!", "错误");
                }
            }
        }
 private void BtnOk_Click(object sender, RoutedEventArgs e)
 {
     if (txtUserName.Text.Length == 0)
     {
         MyFormExtensionMethods.MessageBoxShow("用户名称长度为0!", "错误");
         return;
     }
     if (txtPassword.Text.Length == 0)
     {
         MyFormExtensionMethods.MessageBoxShow("密码长度为0!", "错误");
         return;
     }
     if (viewModel.EditModel.user_type > GloableUserInfo.LoginUser.user_type)
     {
         MyFormExtensionMethods.MessageBoxShow("用户的级别大于当前登录用户等级,不能添加!", "错误");
         return;
     }
     if (viewModel.EditModel.id == 0)//新建模式
     {
         if (viewModel.userService.QueryableToEntity(x => x.user_name == txtUserName.Text) != null)
         {
             MyFormExtensionMethods.MessageBoxShow("该用户名已存在!", "错误");
             return;
         }
         if (viewModel.userService.Insert(viewModel.EditModel))
         {
             MyFormExtensionMethods.MessageBoxShow("添加成功!", "提示");
             viewModel.ModelList.Add(viewModel.EditModel);
             this.Close();
         }
         else
         {
             MyFormExtensionMethods.MessageBoxShow("添加失败!", "错误");
         }
     }
     else
     {
         if (viewModel.userService.Update(viewModel.EditModel))
         {
             MyFormExtensionMethods.MessageBoxShow("修改成功!");
             CancelBit = false;
             this.Close();
         }
         else
         {
             MyFormExtensionMethods.MessageBoxShow("修改失败!");
         }
     }
 }