async void GetTable(object sender, RoutedEventArgs e)
{
var tbl = await AtTest.GetTable();
StringBuilder sb = new StringBuilder("调用成功：\r\n");
foreach (var row in tbl)
{
foreach (var cell in row.Cells)
{
sb.AppendFormat("{0}：{1} ", cell.ID, cell.Val);
}
sb.AppendLine();
}
_tbInfo.Text = sb.ToString();
}