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protected override void ProcessKeyDown(KeyEventArgs args)
{
if (Keyboard.IsKeyDown(Key.A) && SelectionHelper.CheckControlKeyPressed())
{
this.DataGrid.SelectionController.ClearSelections(false);
this.DataGrid.SelectRows(1, this.DataGrid.GetLastDataRowIndex());
var collectioncount = (DataGrid.DataContext as ViewModel).OrderInfoCollection.Count;
var selecteditemcount = DataGrid.SelectedItems.Count;
if (selecteditemcount == collectioncount)
(this.DataGrid.DataContext as ViewModel).IsHeaderChecked = true;
else if (selecteditemcount == 0)
(this.DataGrid.DataContext as ViewModel).IsHeaderChecked = false;
else
(this.DataGrid.DataContext as ViewModel).IsHeaderChecked = null;
foreach (var collection in (DataGrid.DataContext as ViewModel).OrderInfoCollection)
{
if (collection.IsChecked == false)
collection.IsChecked = true;
}
return;
}
base.ProcessKeyDown(args); // Base method calling
}
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private void AssociatedObject_SelectionChanged(object sender, GridSelectionChangedEventArgs e)
{
if (((e.OriginalSender as SfDataGrid).DataContext as ViewModel).IsHeaderChecked == true)
{
SfDataGrid dataGrid = e.OriginalSender as SfDataGrid;
if(dataGrid.SelectionMode==GridSelectionMode.Multiple)
{
if (e.RemovedItems != null && e.RemovedItems.Count > 0)
{
var items = e.RemovedItems;
var rowInfo = items[0] as GridRowInfo;
var rowData = rowInfo.RowData as OrderInfo;
rowData.IsChecked = true;
dataGrid.SelectedIndex = dataGrid.ResolveToRecordIndex(rowInfo.RowIndex);
}
}
else if(dataGrid.SelectionMode==GridSelectionMode.Extended)
{
if (e.AddedItems != null && e.AddedItems.Count > 0)
{
var items = e.AddedItems;
var rowInfo = items[0] as GridRowInfo;
var rowData = rowInfo.RowData as OrderInfo;
rowData.IsChecked = true;
dataGrid.SelectedIndex = dataGrid.ResolveToRecordIndex(rowInfo.RowIndex);
}
}
}
} |
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<syncfusion:SfDataGrid x:Name="dataGrid" AutoGenerateColumns="False"
ItemsSource="{Binding Orders}">
<syncfusion:SfDataGrid.Columns>
<syncfusion:GridCheckBoxSelectorColumn MappingName="SelectorColumn" />
</syncfusion:SfDataGrid.Columns>
</syncfusion:SfDataGrid> |
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this.dataGrid.Columns.Add(new GridCheckBoxSelectorColumn()
{
MappingName = "SelectorColumn"
}); |
Hi,
this is exactly what I needed.
But there is one problem with that. Once row is selected I cannot deselect it by clicking on the checkbox in GridCheckBoxSelectorColumn. It seems like a bug. It's not working with extended selection mode, but with multiple selection mode it works fine.
Please check.
