Silverlight datagrid 全选的另一种实现方法

1.在DataGrid列头添加全选checkbox

<Style x:Key="chkAll" TargetType="sdk:DataGridColumnHeader"> <Setter Property="ContentTemplate"> <Setter.Value> <DataTemplate> <CheckBox Click="CheckBox_Click" Loaded="chkAll_Loaded" x:Name="chkAll"/> </DataTemplate> </Setter.Value> </Setter> </Style> 

2.添加Loaded事件

  在添加前声明一个全局变量：

        CheckBox IsCheckAll = null；

        在Loaded事件中初始化：

 private void chkAll_Loaded(object sender, RoutedEventArgs e)        {            CheckBox chk = sender as CheckBox;            if (IsCheckAll == null) IsCheckAll = chk;        } 

3.添加Click事件

 private void chkAll_Click(object sender, RoutedEventArgs e)  {            CheckBox chkall = sender as CheckBox;            foreach (var item in list)            {                item.IsCheck = (sender as CheckBox).IsChecked.Value;            }  } 

   4.添加删除方法：
 private void button1_Click(object sender, RoutedEventArgs e)        {            var chk = list.Where(i => i.IsCheck == true).ToList();            foreach (var item in chk)            {                list.Remove(item);            }             if (list.Count == 0 && IsCheckAll != null)            {                IsCheckAll.IsChecked = false;            }        } 
5.添加每行的checkbox点击事件：
 private void CheckBox_Click_1(object sender, RoutedEventArgs e)        {            if (list.Where(i => i.IsCheck == true).Count() == list.Count)            {                IsCheckAll.IsChecked = true;            }            else            {                IsCheckAll.IsChecked = false;            }        }