Class GridQueryableCollectionViewWrapper

Represents the wrapper class that implements the QueryableCollectionView to create a queryable collection based on which data manipulation is performed.

Inheritance
System.Object
CollectionViewAdv
QueryableCollectionView
GridQueryableCollectionViewWrapper
Implements
System.Collections.IEnumerable
System.Collections.Specialized.INotifyCollectionChanged
System.ComponentModel.INotifyPropertyChanged
System.IDisposable
Inherited Members
Namespace: Syncfusion.SfDataGrid
Assembly: Syncfusion.SfDataGrid.iOS.dll
Syntax
public class GridQueryableCollectionViewWrapper : QueryableCollectionView, ICollectionViewAdv, ICollectionView, IEnumerable, INotifyCollectionChanged, INotifyPropertyChanged, ISupportInitialize, IDisposable, IPropertyChangedEventHandler, IEditableCollectionView, ISupportIncrementalLoading, IUnboundExpressionFunc, IGridViewNotifier, IFilterExt, IParallelizableView

Constructors

GridQueryableCollectionViewWrapper(IEnumerable, SfDataGrid)

Initializes a new instance of the GridQueryableCollectionViewWrapper class with the specified values.

Declaration
public GridQueryableCollectionViewWrapper(IEnumerable source, SfDataGrid grid)
Parameters
Type Name Description
System.Collections.IEnumerable source

The item source of the collection.
SfDataGrid grid

The reference of the SfDataGrid.

Methods

CreateItemPropertiesProvider()

Method to create the item properties provider for the GridQueryableCollectionViewWrapper.

Declaration
protected override ItemPropertiesProvider CreateItemPropertiesProvider()
Returns
Type Description
ItemPropertiesProvider

Returns the item properties provider for the GridQueryableCollectionViewWrapper.
Overrides

CreateRecords()

Create records list based on the source provided by view.

Declaration
protected override RecordsList CreateRecords()
Returns
Type Description
RecordsList

Returns RecordsList.
Overrides
Remarks

Creates Syncfusion.Data.VirtualRecordsList when EnableDataVirtualization is true.

CreateTopLevelGroup()

Creates TopLevelGroup while grouping for view.

Declaration
protected override TopLevelGroup CreateTopLevelGroup()
Returns
Type Description
TopLevelGroup

Returns TopLevelGroup.
Overrides
Remarks

Creates Syncfusion.SfDataGrid.GridVirtualizingTopLevelGroup when EnableDataVirtualization is true.

Dispose(Boolean)

Releases the unmanaged resources used by the component and optionally releases the managed resources.

Declaration
protected override void Dispose(bool isDisposing)
Parameters
Type Name Description
System.Boolean isDisposing

if true - release both managed and unmanaged resources; if false - release only unmanaged resources.
Overrides

GetDataGrid()

Gets the reference of the DataGrid in the view.

Declaration
public override object GetDataGrid()
Returns
Type Description
System.Object

The reference of the DataGrid in the view.
Overrides

GetExpressionFunc(String, DataOperation, DataReflectionMode)

Returns Expression Func for the property, data operation and reflection mode.

Declaration
public override Expression<Func<string, object, object>> GetExpressionFunc(string propertyName, DataOperation operation, DataReflectionMode reflectionMode)
Parameters
Type Name Description
System.String propertyName

The property name which has changed.
DataOperation operation

The DataOperation which indicates the data operations (sorting, grouping, etc) performed in the underlying collection.
DataReflectionMode reflectionMode

The DataReflectionMode which indicates the mode of data change specifying either in display mode, value mode or mapping name.
Returns
Type Description
System.Linq.Expressions.Expression<System.Func<System.String, System.Object, System.Object>>

Expression Func for the given property, data operation and the reflection mode.
Overrides

GetFunc(String, DataOperation, DataReflectionMode)

Returns Func for the given property, data operation and the reflection mode.

Declaration
public override Func<string, object, object> GetFunc(string propertyName, DataOperation operation, DataReflectionMode reflectionMode)
Parameters
Type Name Description
System.String propertyName

The property name which has changed.
DataOperation operation

The DataOperation which indicates the data operations (sorting, grouping, etc) performed in the underlying collection.
DataReflectionMode reflectionMode

The DataReflectionMode which indicates the mode of data change specifying either in display mode, value mode or mapping name.
Returns
Type Description
System.Func<System.String, System.Object, System.Object>

Func for the given property, data operation and the reflection mode.
Overrides

Implements

System.Collections.IEnumerable
System.Collections.Specialized.INotifyCollectionChanged
System.ComponentModel.INotifyPropertyChanged
System.IDisposable

Extension Methods