/// <summary>
/// 删除历史记录
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void BtnDelete_OnClick(object sender, RoutedEventArgs e)
{
Message message = GetListviewSelected();
if (message != null)
{
if (MessageBox.Show("是否删除该项", "询问", MessageBoxButton.YesNo) == MessageBoxResult.Yes)
{
OperationResult result = null;
result = MessageApp.Delete(message);
if (result.ResultType != OperationResultType.Success)
{
MessageBox.Show(result.Message);
}
else
{
if (startDatePicker.Text != "" && endDatePicker.Text != "")
{
DateTime dateStart = Convert.ToDateTime(startDatePicker.Text);
DateTime dateEnd = Convert.ToDateTime(endDatePicker.Text);
lvMessage.ItemsSource = MessageApp.GetMessageList(dateStart, dateEnd).OrderByDescending(p => p.Time);
lblNumber.Content = "数量：" + lvMessage.Items.Count;
}
else
{
lvMessage.ItemsSource = MessageApp.GetList().OrderByDescending(p => p.Time);
lblNumber.Content = "数量：" + lvMessage.Items.Count;
}
}
}
}
}