public 知识面_删除(题.知识面 original_row)
: this()
{
_original_row = original_row;
this.DataContext = _original_row;
}
/// <summary>
/// todo: 没有数据时, 提示 无数据
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void _刷新_Button_Click(object sender = null, RoutedEventArgs e = null)
{
_刷新_Button.IsEnabled = false;
_s.知识面_获取Async(query.题.知识面.New().GetBytes());
_selected_row = null;
EnableControls();
}
public 知识面_修改(题.知识面 original_row)
: this()
{
_original_row = original_row;
_current_row = new 题.知识面 {
知识面编号 = _original_row.知识面编号, 称 = _original_row.称
};
this.DataContext = _current_row;
_还原_Button_Click();
}
private void _DataGrid_LoadingRow(object sender, DataGridRowEventArgs e)
{
if (_selected_row_backup != null)
{
var row = (题.知识面)e.Row.DataContext;
if (row.知识面编号 == _selected_row_backup.知识面编号)
{
_selected_row_backup = null;
_DataGrid.SelectedIndex = e.Row.GetIndex();
}
}
}
private void _DataGrid_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (e.AddedItems.Count > 0)
{
_selected_row = (题.知识面)e.AddedItems[0];
}
else
{
_selected_row = null;
}
EnableControls();
}
private void _修改_Button_Click(object sender, RoutedEventArgs e)
{
var fw = new 知识面_修改(_selected_row)
{
ParentLayoutRoot = this.LayoutRoot
};
fw.ShowDialog();
fw.Closed += (sender1, e1) =>
{
if (fw.DialogResult != null && fw.DialogResult.Value)
{
_selected_row_backup = _selected_row;
_刷新_Button_Click();
}
};
}
