页面代码
<TextBlock>
<CheckBox Name="cbAllCreate" Click="CbAllCreate_Click">All</CheckBox>
<CheckBox Name="cbInverseCreate" Click="CbInverseCreate_Click">Inverse</CheckBox>
</TextBlock>
<DataGrid Name="dgCreateTable" AutoGenerateColumns="False" VerticalScrollBarVisibility="Visible" Height="210" EnableRowVirtualization="False">
<DataGrid.Columns>
<DataGridCheckBoxColumn Header="Chose" ></DataGridCheckBoxColumn>
<DataGridTextColumn Header="Name" Binding="{Binding}" IsReadOnly="True"></DataGridTextColumn>
</DataGrid.Columns>
</DataGrid>
注:如果不加 EnableRowVirtualization=”False” 全选反选会有遗漏的情况,所以一定要加上。
代码
/// <summary>
/// 全选
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void CbAllCreate_Click(object sender, RoutedEventArgs e)
{
CbAll(dgCreateTable, cbAllCreate); }
/// <summary>
/// 反选
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void CbInverseCreate_Click(object sender, RoutedEventArgs e)
{
Inverse(dgCreateTable, cbInverseCreate);
}
/// <summary>
/// 全选
/// </summary>
/// <param name="dg"></param>
/// <param name="cb"></param>
void CbAll(DataGrid dg, CheckBox cb)
{
dg.IsEnabled = cb.IsChecked != true; for (int i = ; i < dg.Items.Count; i++)
{
DataGridRow neddrow = (DataGridRow)dg.ItemContainerGenerator.ContainerFromIndex(i);
//获取该行的某列
if (neddrow != null)
{
FrameworkElement objElement = dg.Columns[].GetCellContent(neddrow);
if (objElement != null)
{
CheckBox objChk = (CheckBox)objElement;
objChk.IsChecked = cb.IsChecked;
}
}
}
}
/// <summary>
/// 反选
/// </summary>
/// <param name="dg"></param>
/// <param name="cb"></param>
void Inverse(DataGrid dg, CheckBox cb)
{
// cb.IsChecked = false;
for (int i = ; i < dg.Items.Count; i++)
{
DataGridRow neddrow = (DataGridRow)dg.ItemContainerGenerator.ContainerFromIndex(i);
//获取该行的某列
if (neddrow != null)
{
FrameworkElement objElement = dg.Columns[].GetCellContent(neddrow);
if (objElement != null)
{
CheckBox objChk = (CheckBox)objElement;
objChk.IsChecked = !objChk.IsChecked;
}
}
}
}
获取datagrid中选中的行
List<string> GetDataGridList(DataGrid dg)
{
List<string> list = new List<string>();
for (int i = ; i < dg.Items.Count; i++)
{
DataGridRow neddrow = (DataGridRow)dg.ItemContainerGenerator.ContainerFromIndex(i);
//获取该行的某列
if (neddrow == null)
continue;
FrameworkElement objElement = dg.Columns[].GetCellContent(neddrow);
if (objElement == null)
continue; CheckBox objChk = (CheckBox)objElement;
if (objChk.IsChecked != true)
continue; var obj = dg.Columns[].GetCellContent(neddrow);
if (obj == null)
continue;
var tb = (TextBlock)obj;
if (!string.IsNullOrEmpty(tb.Text))
{
list.Add(tb.Text);
}
}
return list;
}