Class

DataProvider

Initializes a new instance of the DataProvider class.

Declaration

public DataProvider(IEnumerable source)

Parameters

Gets or sets the maximum count of distinct values.

Declaration

public int DistinctValuesLimit { get; set; }

Property Value

Represents the initial column count.

Declaration

protected virtual int InitialColumnCount { get; }

Property Value

Represents the initial row count.

Declaration

protected virtual int InitialRowCount { get; }

Property Value

Gets the item properties.

Declaration

public virtual IList<ItemPropertyInfo> ItemProperties { get; }

Property Value

Gets or sets the instance of the RadVirtualGrid that uses the DataProvider.

Declaration

protected RadVirtualGrid ParentGrid { get; set; }

Property Value

Gets a value that indicates whether the new cell value should be pushed to VirtualGrid after CellEditEnded.

Declaration

protected virtual bool ShouldPushEditValueToGrid { get; }

Property Value

Gets or sets a Source QCV collection that enables data operations.

Declaration

protected QueryableCollectionView Source { get; set; }

Property Value

Adds the filter descriptor to the Source QCV.

Declaration

protected virtual void ApplyFilterDescriptor(ColumnFilterDescriptor descriptor)

Parameters

Adds the sort descriptor to the Source QCV.

Declaration

protected virtual void ApplySortDescriptor(ColumnSortDescriptor descriptor)

Parameters

Creates an editor.

Declaration

protected virtual void CreateEditor(out FrameworkElement editor, out DependencyProperty editorProperty, object propertyValue, int columnIndex)

Parameters

Assigns the DataMemberEventArgs properties based on the values in ItemProperties.

Declaration

protected virtual void DataMemberNeeded(DataMemberEventArgs e)

Parameters

Initializes DistinctValuesLoadingEventArgs.ItemsSource based on ItemProperties value.

Declaration

protected virtual void DistinctValuesLoading(DistinctValuesLoadingEventArgs e)

Parameters

The method is called when the FilterDescriptors are prepared and a filter operation will occur.

Declaration

protected virtual void FilterDescriptorsPrepared(FilteredEventArgs e)

Parameters

The method is called when the FilterDescriptors are being prepared.

Declaration

protected virtual void FilterDescriptorsPreparing(FilteringEventArgs e)

Parameters

The method is invoked when the FilterOperators for a given column are being loaded.

Declaration

protected virtual void FilterOperatorsLoading(FilterOperatorsLoadingEventArgs e)

Parameters

Inserts a new item in source.

Declaration

protected virtual void InsertItemInSource()

Determines whether a given column is ReadOnly.

Declaration

protected virtual bool IsColumnReadOnly(int columnIndex)

Parameters

Returns

Invoked by RadVirtualGrid when the CellEditEnded event is raised.

Declaration

protected virtual void OnCellEditEnded(CellEditEndedEventArgs e)

Parameters

Invoked by RadVirtualGrid when the CellToolTipNeeded event is raised.

Declaration

protected virtual void OnCellToolTipNeeded(VirtualGridCellToolTipEventArgs valueEventArgs)

Parameters

Invoked by RadVirtualGrid when the CellValueNeeded event is raised.

Declaration

protected virtual void OnCellValueNeeded(CellValueEventArgs valueEventArgs)

Parameters

Invoked by RadVirtualGrid when the EditorNeeded event is raised.

Declaration

protected virtual void OnEditorNeeded(EditorNeededEventArgs args)

Parameters

Invoked by RadVirtualGrid when the EditorValueChanged event is raised.

Declaration

[SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
protected virtual void OnEditorValueChanged(CellValueEventArgs args)

Parameters

The method is called when the filter operation is completed.

Declaration

protected virtual void OnFilteringCompleted()

Invoked by RadVirtualGrid when the HeaderValueNeeded event is raised.

Declaration

protected virtual void OnHeaderValueNeeded(HeaderValueEventArgs e)

Parameters

The method is called when the sort operation is completed.

Declaration

protected virtual void OnSortingCompleted()

Invoked by RadVirtualGrid when the CellEditEnded event is raised.

Declaration

protected virtual void PushCellValueToSource(int rowIndex, int columnIndex, object value)

Parameters

Removes all column filters from the Source QCV.

Declaration

protected virtual void RemoveAllColumnFilters()

Removes the given filter descriptor from the Source QCV.

Declaration

protected virtual void RemoveColumnFilter(ColumnFilterDescriptor descriptor)

Parameters

Removes items from source.

Declaration

[SuppressMessage("Microsoft.Design", "CA1002:DoNotExposeGenericLists")]
protected virtual void RemoveItemsFromSource(List<int> indexesToDelete)

Parameters

The method is called when the SortDescriptors are prepared and a sort operation will occur.

Declaration

protected virtual void SortDescriptorPrepared(SortedEventArgs e)

Parameters

The method is called when the SortDescriptors are being prepared.

Declaration

protected virtual void SortDescriptorPreparing(SortingEventArgs e)

Parameters