System.Data Namespace

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`System.Data` Namespace

The System.Data namespace consists mainly of classes that make up ADO.NET. ADO.NET allows a developer to build components that manage data from data sources.

`DataColumn` Object Members

The DataColumn class represents the schema of a column in a DataTable object. Tables B.1 through B.4 list the constructor, properties, and methods for the DataColumn class.

Table B.1. `DataColumn` Constructor

Name	Parameters	Description
`DataColumn`	none	Initializes a new instance of the `DataColumn` class.
`DataColumn`	`columnName (String)`	Initializes a new instance of the `DataColumn` class with the specified name.
`DataColumn`	`columnName (String)` `dataType (Type)`	Initializes a new instance of the `DataColumn` class with the specified name and data type.
`DataColumn`	`columnName (String)` `dataType (Type)` `expr (String)`	Initializes a new instance of the `DataColumn` class with the specified name, data type, and expression.
`DataColumn`	`columnName (String)` `dataType (Type)` `expr (String)` `type (MappingType)`	Initializes a new instance of the `DataColumn` class with the specified name, data type, expression, and value that determines whether the column is an attribute.

Table B.2. `DataColumn` Properties

Name	Type	Description
`AllowDBNull`	`Boolean`	Retrieves or sets a value indicating whether null values are allowed in this column for rows in this table.
`AutoIncrement`	`Boolean`	Retrieves or sets a value indicating whether the column automatically increments the value of the column for new rows added to the table.
`AutoIncrementSeed`	`Long`	Retrieves or sets the starting value for a column that has its `AutoIncrement` property set to true.
`AutoIncrementStep`	`Long`	Retrieves or sets the increment used by a column with its `AutoIncrement` property set to true.
`Caption`	`String`	Retrieves or sets the caption for this column.
`ColumnMapping`	`MappingType`	Retrieves or sets the `MappingType` of the column.
`ColumnName`	`String`	Retrieves or sets the name of the column within the collection.
`Container`	`IContainer`	Retrieves the container for the component.
`DataType`	`Type`	The type of data stored in the column.
`DefaultValue`	`Object`	Retrieves or sets the default value for the column when creating new rows.
`DesignMode`	`Boolean`	Retrieves a value indicating of the component is in design mode.
`Expression`	`String`	Retrieves or sets the expression used to either filter rows, calculate the column's value, or create an aggregate column.
`ExtendedProperties`	`Property Collection`	Retrieves the collection of custom user information.
`Namespace`	`String`	Gets or sets the namespace of the `DataColumn` .
`Ordinal`	`Integer`	Retrieves the position of the column in the collection.
`Prefix`	`String`	Gets or sets the XML prefix that aliases the `DataTable's` namespace.
`ReadOnly`	`Boolean`	Retrieves or sets a value indicating whether the column allows changes after a row has been added to the table.
`Site`	`ISite`	Retrieves or sets the site of the component.
`Table`	`DataTable`	Retrieves the `DataTable` the column belongs to.
`Unique`	`Boolean`	Retrieves or sets a value indicating whether the values in each row must be unique.

Table B.3. `DataColumn` Methods

Name	Parameters	Description
`Dispose`	none	Disposes the component.
`Dispose`	disposing (Boolean)	Releases the unmanaged resources used by the `MarshalByValue` `Component` and optionally releases the managed resources.
`Equals`	`obj (Object)`	Determines whether the specified object is the same instance as the current object.
`Equals`	`objA (Object)` `objB (Object)`	Determines if the specified object instances are equal.
`GetHashCode`	none	Serves as a hash function for a particular type.
`GetService`	`service (Type)`	Gets the implementer of the IServiceProvider.
`GetType`	none	Retrieves the type of the object.
`ToString`	none	Returns a string that represents the current object.

Table B.4. `DataColumn` Event

Name	Description
`Disposed`	Adds an event handler to listen to the Disposed event of the component.

`DataRow` Object Members

The DataRow class represents a row of data in a DataTable . Tables B.5 and B.6 list the properties and methods for the DataRow class.

Table B.5. `DataRow` Properties

Name	Type	Description
`HasErrors`	`Boolean`	Retrieves a value indicating whether there are errors in the collection.
`Item`	`Object`	Retrieves or sets data stored in the column.
`ItemArray`	`Object`	Retrieves or sets all the values for this row through an array.
`RowError`	`String`	Retrieves or sets the custom error description for a row.
`RowState`	`DataRowState`	Retrieves the current state of the row in regard to its relationship to the `RowsCollection` .
`Table`	`DataTable`	Retrieves the `DataTable` for which this row has a schema.

Table B.6. `DataRow` Methods

Name	Parameters	Description
`AcceptChanges`	none	Commits all changes made to this row since the last time this method was called.
`BeginEdit`	none	Begins an edit operation on a `DataRow` object.
`CancelEdit`	none	Cancels the current edit on the row.
`ClearErrors`	none	Clears the errors for the row, including the RowError and errors set with SetColumnError.
`Delete`	none	Deletes the row.
`EndEdit`	none	End the edit occurring for this row.
`Equals`	`obj (Object)`	Determines whether the specified object is the same instance as the current object.
`Equals`	`objA (Object)` `objB (Object)`	Determines if the specified object instances are equal.
`GetChildRows`	`relation (DataRelation)`	Retrieves the child rows of this `DataRow` using the specified `DataRelation` .
`GetChildRows`	`relationName (String)`	Retrieves the child rows of this `DataRow` using the named `DataRelation` .
`GetChildRows`	`relation (DataRelation)` `version DataRowVersion`	Retrieves the child rows of this `DataRow` using the specified `DataRelation` and `(DataRowVersion)` .
`GetChildRows`	`relationName (String)` `version (DataRowVersion)`	Retrieves the specified version of the child rows using the specified `DataRelation` .
`GetColumnError`	`columnIndex (Integer)`	Retrieves the error description for the column using the specified index.
`GetColumnError`	`columnName (String)`	Retrieves the error description for the column using the specified name.
`GetColumnError`	`column (DataColumn)`	Retrieves the error description for the column using the specified `DataColumn` .
`GetColumnsInError`	none	Retrieves an array of columns that have errors.
`GetHashCode`	none	Serves as a hash function for a particular type.
`GetParentRow`	`relationName (String)`	Retrieves the parent row of a `DataRow` using the specified relation name.
`GetParentRow`	`relation (DataRelation)`	Retrieves the parent row of a `DataRow` using the specified `DataRelation` .
`GetParentRow`	`relationName (String)` `version (DataRowVersion)`	Retrieves the parent row of a `DataRow` using the specified relation name and the specified `DataRowVersion` .
`GetParentRow`	`relation (DataRelation)` `version (DataRowVersion)`	Retrieves the parent row of a `DataRow` using the specified `DataRelation` and the specified `DataRowVersion` .
`GetParentRows`	`relation (DataRelation)`	Retrieves the parent rows of a `DataRow` , using the specified `DataRelation` .
`GetParentRows`	`relationName (String)`	Retrieves the parent rows of a `DataRow` , using the specified relation name.
`GetParentRows`	`relationName (String)` `version (DataRowVersion)`	Retrieves the parent rows of a `DataRow` , using the specified relation name and the specified `DataRowVersion` .
`GetParentRows`	`relation (DataRelation)` `version (DataRowVersion)`	Retrieves the parent rows of a `DataRow` , using the specified `DataRelation` and the specified `DataRowVersion` .
`GetType`	none	Retrieves the type of the object.
`HasVersion`	`version (DataRowVersion)`	Retrieves a value indicating whether a specified version exists.
`IsNull`	`column (DataColumn)`	Retrieves a value indicating whether the specified `DataColumn` contains a null value.
`IsNull`	`columnName (String)`	Retrieves a value indicating whether the specified named column contains a null value.
`IsNull`	`columnIndex (Integer)`	Retrieves a value indicating whether the column with the specified index contains a null value.
`IsNull`	`column (DataColumn)` `Version (DataRowVersion)`	Gets a value indicating whether the specified `DataColumn` and `DataRowVersion` contains a null value.
`RejectChanges`	none	Rejects all changes made to the row since the `AcceptChanges` method was last called.
`SetColumnError`	`columnName (String)` `error (String)`	Sets the error description for a specified named column.
`SetColumnError`	`column (DataColumn)` `error (String)`	Sets the error description for a specified `DataColumn` .
`SetColumnError`	`columnIndex (Integer)` `error (String)`	Sets the error description for a column with a specified index.
`SetParentRow`	`parentRow (DataRow)`	Sets the parent row of a DataRow with the specified DataRow.
`SetParentRow`	`parentRow (DataRow)` `relation (DataRelation)`	Sets the parent row of a specified `DataRow` with the specified `DataRow` and `DataRelation` .
`SetUnspecified`	`column (DataColumn)`	Sets the value of a `DataColumn` with the specified name to unspecified.
`ToString`	none	Returns a string that represents the current object.

`DataSet` Object Members

The DataSet class represents an in-memory cache of data. Tables B.7 through B.10 list the constructor, properties, methods, and events for the DataSet class.

Table B.7. `DataSet` Constructor

Name Parameters Description

DataSet none Initializes a new instance of the DataSet class.

DataSet

info (SerializationInfo)

context (StreamingContext)

Initializes a new DataSet class with the SerializationInfo and StreamingContext .

DataSet name (String) Initializes a new instance of the DataSet class with the specified name.

Table B.8. `DataSet` Properties

Name	Type	Description
`CaseSensitive`	`Boolean`	Retrieves or sets a value indicating whether string comparisons within `DataTable` objects are case sensitive.
`Container`	`IContainer`	Retrieves the container for the component.
`DataSetName`	`String`	Retrieves or sets the name of the `DataSet` .
`DefaultViewManager`	`DataViewManager`	Retrieves a custom view of the data contained by the `DataSet` .
`DesignMode`	`Boolean`	Retrieves a value indicating the component is in design mode.
`EnforceConstraints`	`Boolean`	Retrieves or sets a value indicating whether constraint rules are followed when an update operation is performed.
`ExtendedProperties`	`PropertyCollection`	Retrieves the collection of custom user information.
`HasErrors`	`Boolean`	Retrieves a value indicating whether there are errors in any of the rows in any of the tables of this `DataSet` .
`Locale`	`CultureInfo`	Retrieves or sets the locale information used to compare strings within the table.
`NameSpace`	`String`	Retrieves or sets the namespace of the `DataSet` .
`Prefix`	`String`	Retrieves or sets an XML prefix that aliases the namespace of the `DataSet` .
`Relations`	Data `RelationCollection`	Retrieves the collection of relations that link tables and allow navigation from parent tables to child tables.
`Site`	`ISite`	Retrieves or sets the site of the component.
`Tables`	Data `TableCollection`	Retrieves the collection of tables contained in the `DataSet` .

Table B.9. `DataSet` Methods

Name	Parameters	Description
`AcceptChanges`	none	Commits all changes made to this `DataSet` since it was loaded or the last time the `AcceptChanges` method was called.
`BeginInit`	none	Begins the initialization of a `DataSet` that is used on a form or used by another component.
`Clear`	none	Clears the `DataSet` of all data.
`Clone`	none	Clones the structure of the `DataSet` .
`Copy`	none	Copies both the structure and data for this `DataSet` .
`Dispose`	none	Releases the resources used by the MarshalByValueComponent.
`Equals`	`obj (Object)`	Determines whether the specified object is the same instance as the current object.
`Equals`	`objA (Object)` `objB (Object)`	Determines if the specified object instances are equal.
`GetChanges`	none	Returns a copy of the `DataSet` that contains all changes made to the `DataSet` since it was loaded or the `AcceptChanges` method was called.
`GetChanges`	`rowStates (DataRowState)`	Returns a copy of the `DataSet` that contains all changes made to the `DataSet` since it was loaded or the `AcceptChanges` method was called, filtered by `DataRowState` .
`GetHashCode`	none	Serves as a hash function for a particular type.
`GetService`	`service (Type)`	Get the implementer of the IServiceProvider.
`GetType`	none	Retrieves the type of the object.
`GetXml`	none	Retrieves an xml representation of the data stored in the `DataSet` .
`GetXmlSchema`	none	Retrieves the XSD schema for the XML representation of the data in the `DataSet` .
`HasChanges`	none	Retrieves a value indicating whether the `DataSet` has changes.
`HasChanges`	`rowStates (DataRowState)`	Retrieves a value indicating whether the `DataSet` has changes, filtered by `DataRowState` .
`InferXmlSchema`	`stream (Stream)` `nsArray[] (String)`	Infers the XML schema from the specified Stream object into the `DataSet` .
`InferXmlSchema`	`fileName (String)` `nsArray[] (String)`	Infers the XML schema from the specified file into the `DataSet` .
`InferXmlSchema`	`reader (TextReader)` `nsArray[] (String)`	Infers the XML schema from the specified `TextReader` into the `DataSet` .
`InferXmlSchema`	`reader (XmlReader)` `nsArray[] (String)`	Infers the XML schema from the specified `TextReader` into the `DataSet` .
`Merge`	`rows[] (DataRow)`	Merges the `DataSet` with an array of `DataRow` objects.
`Merge`	`table (DataTable)`	Merges the `DataSet` with a specified `DataTable` .
`Merge`	`dataSet (DataSet)`	Merges the `DataSet` into a specified `DataSet` .
`Merge`	`dataSet (DataSet)` `preserveChanges (Boolean)`	Merges the `DataSet` with a specified `DataSet` , preserving changes according to the specified argument.
`Merge`	`rows[] (DataRow)` `preserveChanges (Boolean)` `missingSchemaAction (MissingSchemaAction)`	Merges the `DataSet` with an array of `DataRow` objects, preserving changes, and handling incompatible schema according to the specified arguments.
`Merge`	`dataSet (DataSet)` `preserveChanges (Boolean)` `missingSchemaAction (MissingSchemaAction)`	Merges the `DataSet` with a specified `DataSet` , preserving changes, and handling incompatible schema according to the specified arguments.
`Merge`	`table (DataTable)` `preserveChanges (Boolean)` `missingSchemaAction (MissingSchemaAction)`	Merges the `DataSet` with a specified `DataTable` , preserving changes, and handling incompatible schema according to the specified arguments.
`ReadXml`	`reader (XmlReader)`	Reads XML schema and data into the `DataSet` using the specified `XMLReader` object.
`ReadXml`	`stream (Stream)`	Reads XML schema and data into the `DataSet` using the specified `Stream` object.
`ReadXml`	`reader (TextReader)`	Reads XML schema and data into the `DataSet` using the specified `TextReader` object.
`ReadXml`	`fileName (String)`	Reads XML schema and data into the `DataSet` using the specified file.
`ReadXml`	`stream (Stream)` `Mode (XmlReadMode)`	Reads XML schema and data into the `DataSet` using the specified Stream and XmlReadMode.
`ReadXml`	`fileName (String)` `Mode (XmlReadMode)`	Reads XML schema and data into the `DataSet` using the specified file and XmlReadMode.
`ReadXml`	`reader (TextReader)` `Mode (XmlReadMode)`	Reads XML schema and data into the `DataSet` using the specified TextReader and XmlReadMode.
`ReadXml`	`reader (XmlReader)` `Mode (XmlReadMode)`	Reads XML schema and data into the `DataSet` using the specified XmlReader and XmlReadMode.
`ReadXmlSchema`	`reader (XmlReader)`	Reads the XML schema into the `DataSet` from the specified `XmlReader` object.
`ReadXmlSchema`	`stream (Stream)`	Reads the XML schema into the `DataSet` from the specified `Stream` object.
`ReadXmlSchema`	`reader (TextReader)`	Reads the XML schema into the `DataSet` from the specified `TextReader` object.
`ReadXmlSchema`	`fileName (String)`	Reads the XML schema into the `DataSet` from the specified file.
`RejectChanges`	none	Rolls back all changes made to the `DataSet` since it was loaded or the last time the `AcceptChanges` method was called.
`Reset`	none	Resets the DataSet to its original state.
`ToString`	none	Returns a string that represents the current object.
`WriteXml`	`writer (XmlWriter)`	Writes the current schema and data for the `DataSet` using the specified `XMLWriter` object.
`WriteXml`	`fileName (String)`	Writes the current schema and data for the `DataSet` using the specified file.
`WriteXml`	`stream (Stream)`	Writes the current schema and data for the `DataSet` using the specified `Stream` object.
`WriteXml`	`writer (TextWriter)`	Writes the current schema and data for the `DataSet` using the specified `TextWriter` object.
`WriteXml`	`stream (Stream)` `mode (XmlWriteMode)`	Reads XML schema and data into the `DataSet` using the specified XmlReader and XmlReadMode.
`WriteXml`	`fileName (String)` `mode (XmlWriteMode)`	Reads XML schema and data into the `DataSet` using the specified XmlReader and XmlReadMode.
`WriteXml`	`writer (TextWriter)` `mode (XmlWriteMode)`	Reads XML schema and data into the `DataSet` using the specified XmlReader and XmlReadMode.
`WriteXml`	`writer (XmlWriter)` `mode (XmlWriteMode)`	Reads XML schema and data into the `DataSet` using the specified XmlReader and XmlReadMode.
`WriteXmlSchema`	`writer (TextWriter)`	Writes the `DataSet` structure as an XML schema to the specified `TextWriter` object.
`WriteXmlSchema`	`stream (Stream)`	Writes the `DataSet` structure as an XML schema to the specified `Stream` object.
`WriteXmlSchema`	`fileName (String)`	Writes the `DataSet` structure as an XML schema to the specified file.
`WriteXmlSchema`	`writer (XMLWriter)`	Writes the `DataSet` structure as an XML schema to the `XMLWriter` object.

Table B.10. `DataSet` Events

Name	Description
`MergeFailed`	Fires when a target and source `DataRow` have the same primary key value and `EnforceConstraints` is set to true.
`Disposed`	Adds an event handler to listen to the Dispose event on the component.

`DataTable` Object Members

The DataTable class represents one table of in-memory data. Tables B.11 through B.14 list the constructor, properties, methods, and events of the DataTable class.

Table B.11. `DataTable` Constructor

Name Parameters Description

DataTable none Initializes a new instance of the DataTable class.

DataTable tableName (String) Initializes a new instance of the DataTable class with the specified name.

DataTable

info (SerializationInfo)

context (StreamingContext)

Initializes a new instance of the DataTable class with the SerializationInfo and StreamingContext.

Table B.12. `DataTable` Properties

Name	Type	Description
`CaseSensitive`	`Boolean`	Indicates whether string comparisons within the table are case sensitive.
`ChildRelations`	Data `RelationCollection`	Retrieves the collection of child relations for the `DataTable` .
`Columns`	Data `ColumnCollections`	Retrieves the collection of columns for the `DataTable` .
`Constraints`	`ConstraintCollection`	Retrieves the collection of constraints for the `DataTable` .
`Container`	`IContainer`	Retrieves the container for the component.
`DataSet`	`DataSet`	Retrieves the `DataSet` that the table belongs to.
`DefaultView`	`DataView`	Retrieves a customized view of the table.
`DesignMode`	`Boolean`	Retrieves a value indicating whether the component is in design mode.
`DisplayExpression`	`String`	Retrieves or sets the expression that will return a value used to represent the table in the UI.
`ExtendedProperties`	`PropertyCollection`	Retrieves the collection of customized user information.
`HasErrors`	`Boolean`	Retrieves a value indicating whether there are errors in any of the rows in the tables in the `DataSet` to which the table belongs.
`Locale`	`CultureInfo`	Retrieves or sets the locale information used to compare strings within the table.
`MinimumCapacity`	`Integer`	Retrieves or sets the initial beginning capacity for the table.
`Namespace`	`String`	Retrieves or sets the namespace for the `DataTable` .
`ParentRelations`	Data `RelationCollection`	Retrieves the collection of parent relations for the `DataTable` .
`Prefix`	`String`	Gets or sets the namespace for the XML representation of the data stored in the `DataTable` .
`PrimaryKey`	`DataColumn`	Retrieves or sets an array of columns that function as primary keys for the `DataTable` .
`Rows`	Data `RowCollection`	Retrieves the collection of rows that belong to this table.
`Site`	`ISite`	Retrieves or sets the site of the component.
`TableName`	`String`	Retrieves or sets the table name.

Table B.13. `DataTable` Methods

Name	Parameters	Description
`AcceptChanges`	none	Commits all changes made to this table since the last time the `AcceptChanges` method was called.
`BeginInit`	none	Begins the initialization of a `DataTable` that is used on a form or used by another component.
`Clear`	none	Clears the table of all data.
`Clone`	none	Clones the structure of the DataTable, including all schemas, relations, and constraints.
`Compute`	`expression (String)` `filter (String)`	Computes the specified expression on the current rows that pass the filter criteria.
`Dispose`	none	Disposes the component.
`Dispose`	`disposing (Boolean)`	Releases the unmanaged resources used by the `MarshalByValueComponent` and optionally releases the managed resources.
`EndInit`	none	Ends the initialization of a `DataTable` that is used on a form or is used by another component.
`Equals`	`obj (Object)`	Determines whether the specified object is the same instance as the current object.
`Equals`	`objA (Object)` `objB (Object)`	Determines if the specified object instances are equal.
`GetChanges`	none	Gets a copy of the `DataTable` that contains all the changes made to it since it was loaded or `AcceptChanges` was last called.
`GetChanges`	`rowState (DataRowState)`	Gets a copy of the `DataTable` that contains all the changes made to it since it was loaded or `AcceptChanges` was last called, filtered by `DataRowState` .
`GetErrors`	none	Returns an array of `DataRow` objects that contain errors.
`GetHashCode`	none	Serves as a hash function for a particular type.
`GetService`	`service (Type)`	Returns the implementer of the IServiceProvider.
`GetType`	none	Retrieves the type of the object.
`ImportRow`	`row (DataRow)`	Copies a `DataRow` , including original and current values, `DataRowState` values, and errors, into a `DataTable` .
`LoadDataRow`	`values[] (Object)` `acceptChanges (Boolean)`	Finds and updates a specific row. If no matching row is found, then a new row is created using the given values.
`NewRow`	none	Creates a new `DataRow` with the same schema as the table.
`RejectChanges`	none	Rolls back all changes made to the table since the last time the `AcceptChanges` method was called.
`Select`	none	Retrieves an array of `DataRow` objects.
`Select`	`FilterExpression (String)`	Retrieves an array of `DataRow` objects that match the filter criteria ordered by the primary key.
`Select`	`FilterExpression (String)` `sort (String)`	Retrieves an array of `DataRow` objects that match the filter criteria, in the specified sort order.
`Select`	`FilterExpression (String)` `sort (String)` `recordState (DataViewRowState)`	Retrieves an array of `DataRow` objects that match the filter criteria, in the specified sort order, and that match the specified state.
`ToString`	none	Returns a string that represents the current object.

Table B.14. `DataTable` Events

Name	Description
`ColumnChanged`	Occurs after a value has been changed for the specified DataColumn in a DataRow.
`ColumnChanging`	Occurs when a value is changing for a specified DataColumn in a DataRow.
`Disposed`	Adds an event handler to listen to the Disposed event on a component.
`RowChanged`	Fires after a row value has been edited successfully.
`RowChanging`	Fires when a value for a row is changing.
`RowDeleted`	Fires after a row has been deleted.
`RowDeleting`	Fires before a row in the table is about to be deleted.

`DataView` Object Members

The DataView class represents a databindable, customized view of a DataTable . Tables B.15 through B.18 list the constructor, properties, methods, and events for the DataView class.

Table B.15. `DataView` Constructor

Name	Parameters	Description
`DataView`	none	Initializes a new instance of the `DataView` class.
`DataView`	table ( `DataTable` )	Initializes a new instance of the `DataView` class with the specified `DataTable` .

Table B.16. `DataView` Properties

Name	Type	Description
`AllowDelete`	`Boolean`	Retrieves or sets a value indicating whether deletes are allowed.
`AllowEdit`	`Boolean`	Retrieves or sets a value indicating whether edits are allowed.
`AllowNew`	`Boolean`	Retrieves or sets a value indicating whether new rows can be added.
`ApplyDefaultSort`	`Boolean`	Retrieves or sets a value indicating whether to use the default sort.
`Container`	`IContainer`	Retrieves the container for the component.
`Count`	`Integer`	Retrieves the number of records in the DataView after RowFilter and RowStateFilter have been applied.
`DataViewManager`	`DataViewManager`	Retrieves the DataView associated with this view.
`DesignMode`	`Boolean`	Retrieves a value indicating whether the component is currently in design mode.
`Item`	`DataRowView`	Retrieves a row of data from a specified table.
`RowFilter`	`String`	Retrieves or sets the expression used to filter which rows are viewed in the `DataView` .
`RowStateFilter`	`DataViewRowState`	Retrieves or sets the row state filter used in the `DataView` .
`Site`	`ISite`	Retrieves or sets the site of the component.
`Sort`	`String`	Retrieves or sets the sort column or columns and the sort order for the table.
`Table`	`DataTable`	Retrieves or sets the source table.

Table B.17. `DataView` Methods

Name	Parameters	Description
`AddNew`	none	Adds a new row to the `DataView` .
`BeginInit`	none	Begins the initialization of a `DataView` that is used on a form or used by another component.
`Delete`	`index (Integer)`	Deletes a row at the specified index.
`Dispose`	none	Disposes of the resources (other than memory) used by the DataView object.
`Dispose`	`disposing (Boolean` )	Releases the unmanaged resources used by the `MarshalByValueComponent` and optionally releases the managed resources.
`EndInit`	none	Ends the initialization of a `DataView` that is used on a form or used by another component.
`Equals`	none	Determines whether the specified object is the same instance as the current object.
`Equals`	`objA (Object)` `objB (Object)`	Determines if the specified object instances are equal.
`Find`	`key (Object)`	Finds a row in the `DataView` using the specified primary key value.
`Find`	`key[] (Object)`	Finds a row in the `DataView` using the specified primary key values.
`GetEnumerator`	none	Retrieves an enumerator for this `DataView` .
`GetHashCode`	none	Serves as a hash function for a particular type.
`GetService`	`service (Type)`	Gets the implementer of the IServiceProvider.
`GetType`	none	Retrieves the type of the object.
`ToString`	none	Returns a string that represents the current object.

Table B.18. `DataView` Events

Name	Description
`Disposed`	Adds an event handler to listen to the `Disposed` event on a component.
`ListChanged`	Fires when the list managed by the `DataView` changes.

`DataViewManager` Object Members

Contains a default DataViewSettingCollection for each DataTable in a DataSet.

Table B.19. `DataViewManager` Constructor

Name	Parameters	Description
`DataViewManager`	none	Initializes a new instance of the `DataViewManager` class.
`DataViewManager`	`dataSet` ( `DataSet` )	Initializes a new instance of the `DataViewManger` class for the specified `DataSet` .

Table B.20. `DataViewManager` Properties

Name	Type	Description
`Container`	`IContainer`	Retrieves the container for the component.
`DataSet`	`DataSet`	Retrieves or sets the name of the `DataSet` to use with the `DataViewManager` .
`DataViewSetting-CollectionString`	`String`	Retrieves or sets a value used for code persistence.
`DataViewSettings`	`DataViewSettingCollection`	Gets the `DataViewSetting-Collection` for each `DataTable` in the `DataSet` .
`DesignMode`	`Boolean`	Retrieves a value indicating whether the component is currently in design mode.
`Site`	`ISite`	Retrieves or sets the site of the component.

Table B.21. `DataViewManager` Methods

Name	Parameters	Description
`CreateDataView`	`table (DataView)`	Creates a `DataView` for the specified DataTable.
`Dispose`	none	Disposes of the resources (other than memory) used by the DataView object.
`Dispose`	`disposing (Boolean)`	Releases the unmanaged resources used by the `MarshalByValueComponent` and optionally releases the managed resources.
`Equals`	none	Determines whether the specified object is the same instance as the current object.
`Equals`	`objA (Object)` `objB (Object)`	Determines if the specified object instances are equal.
`GetHashCode`	none	Serves as a hash function for a particular type.
`GetService`	`service (Type)`	Gets the implementer of the IServiceProvider.
`GetType`	none	Retrieves the type of the object.
`ToString`	none	Returns a string that represents the current object.

Table B.22. `DataViewManager` Events

Name	Description
`Disposed`	Adds an event handler to listen to the `Disposed` event on a component.
`ListChanged`	Fires when a row is added or deleted from a DataView.

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