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View this topic on docs.devexpress.com (Learn more)

XafDataView Members

A lightweight read-only list of data records (a data view) retrieved from a database without loading complete business objects. Can be queried much more quickly than a real objects collection.

Expanded Public Constructors

Show: Inherited
  Name Description
Public method XafDataView Initializes a new instance of the XafDataView class with the specified settings.
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Expanded Public Properties

Show: Inherited
  Name Description
Public property AllowEdit Gets whether you can update data records. This method always returns false because the list represented by XafDataView is readonly.
Public property AllowNew Gets whether you can add data records. This method always returns false because the list represented by XafDataView is readonly.
Public property AllowRemove Gets whether you can update data records. This method always returns false because the list represented by XafDataView is readonly.
Public property Count Gets the number of data records contained in the XafDataView.
Public property Criteria Specifies criteria used to filter the data view at the server side.
Public property Expressions Specifies data view column names and expressions used to compute column values.
Public property IsFixedSize Gets a value indicating whether the data view has a fixed size. This property value is always false because the list represented by XafDataView is readonly.
Public property IsLoaded Gets a value that indicates whether or not the data records list cached by XafDataView is initialized.
Public property IsReadOnly Gets a value indicating whether the list repersented by XafDataView is read-only. Always returns true.
Public property IsSynchronized Gets a value indicating whether access to the data view is synchronized. This method always returns false
Public property Item Gets the data record at the specified index.
Public property ObjectSpace Gets the Object Space used to query data by the current XafDataView.
Public property ObjectType Gets the type of business objects that are queried by XafDataView.
Public property Sorting Specifies the sorted columns within the data view.
Public property SyncRoot Gets an object that can be used to synchronize access to the data view. Always returns the XafDataView instance itself, because the data view's underlying store is not is not publicly available (see the Remarks section of the ICollection.SyncRoot Property topic).
Public property TopReturnedObjectsCount Specifies the number of data records retrieved by the XafDataView.
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Expanded Public Methods

Show: Inherited
  Name Description
Public method Add This method is required to provide System.Collections.IList support. It always throws a NotSupportedException because the list represented by XafDataView is readonly (see the Exceptions section of the IList.Add Method topic).
Public method Clear This method is required to provide the System.Collections.IList support. It always throws a NotSupportedException because the list represented by XafDataView is readonly (see the Exceptions section of the IList.Clear Method topic).
Public method Contains Determines whether the XafDataView contains a specific data record.
Public method CopyTo Copies the data records to an array, starting at a particular array index.
Public method Dispose Releases all resources used by the XafDataView.
Public methodStatic member Equals Determines whether the specified System.Object instances are considered equal. (Inherited from System.Object)
Public method Equals Determines whether the specified System.Object is equal to the current System.Object. (Inherited from System.Object)
Public method FindExpression Finds the expression by its name in the current XafDataView.
Public method GetHashCode Serves as a hash function for a particular type. System.Object.GetHashCode is suitable for use in hashing algorithms and data structures like a hash table. (Inherited from System.Object)
Public method GetType Gets the System.Type of the current instance. (Inherited from System.Object)
Public method IndexOf Determines the index of a specific data record in the XafDataView.
Public method Insert This method is required to provide System.Collections.IList support. It always throws a NotSupportedException because the list represented by XafDataView is readonly (see the Exceptions section of the IList.Insert Method topic).
Public methodStatic member ReferenceEquals Determines whether the specified System.Object instances are the same instance. (Inherited from System.Object)
Public method Reload Clears the data records cache.
Public method Remove This method is required to provide System.Collections.IList support. It always throws a NotSupportedException because the list represented by XafDataView is readonly (see the Exceptions section of the IList.Remove Method topic).
Public method RemoveAt This method is required to provide System.Collections.IList support. It always throws a NotSupportedException because the list represented by XafDataView is readonly (see the Exceptions section of the IList.RemoveAt Method topic).
Public method ToString Returns a System.String that represents the current System.Object. (Inherited from System.Object)
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Expanded Public Events

Show: Inherited
  Name Description
Public event ListChanged Occurs when the data records list is changed.
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Expanded See Also

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