• Home
• System
• Data
• DataColumn

C# Class System.Data.DataColumn

ファイルを表示 Open project: dotnet/corefx Class Usage Examples

Private Properties

Property	Type	Description
AddDependentColumn	void
BindExpression	void
CheckColumnConstraint	void
CheckMaxLength	bool
CheckMaxLength	void
CheckNullable	void
Clone	DataColumn
Compare	int
CompareValueTo	bool
CompareValueTo	int
ConvertObjectToXml	string
ConvertObjectToXml	void
ConvertValue	object
ConvertXmlToObject	object
ConvertXmlToObject	object
Copy	void
CopyValueIntoStore	void
FindParentRelation	DataRelation
FinishInitInProgress	void
FreeRecord	void
GetAggregateValue	object
GetColumnValueAsString	string
GetDataRow	DataRow
GetEmptyColumnStore	object
GetStringLength	int
HandleDependentColumnList	void
Init	void
InitializeRecord	void
InsureStorage	void
InternalUnique	void
IsAutoIncrementType	bool
IsColumnMappingValid	bool
IsInRelation	bool
IsMaxLengthViolated	bool
IsNotAllowDBNullViolated	bool
IsNull	bool
IsValueCustomTypeInstance	bool
OnSetDataSet	void
RemoveDependentColumn	void
ResetCaption	void
ResetNamespace	void
SetCapacity	void
SetMaxLengthSimpleType	void
SetOrdinalInternal	void
SetStorage	void
SetTable	void
SetValue	void
ShouldSerializeCaption	bool
ShouldSerializeDefaultValue	bool
ShouldSerializeNamespace	bool
UpdateColumnType	void
this	object

Public Methods

Method	Description
DataColumn ( ) : System.Xml	Initializes a new instance of a class.
DataColumn ( string columnName ) : System.Xml	Inititalizes a new instance of the class using the specified column name.
DataColumn ( string columnName, Type dataType ) : System.Xml	Inititalizes a new instance of the class using the specified column name and data type.
DataColumn ( string columnName, Type dataType, string expr ) : System.Xml	Initializes a new instance of the class using the specified name, data type, and expression.
DataColumn ( string columnName, Type dataType, string expr, MappingType type ) : System.Xml	Initializes a new instance of the class using the specified name, data type, expression, and value that determines whether the column is an attribute.
SetOrdinal ( int ordinal ) : void
ToString ( ) : string

Protected Methods

Method	Description
CheckNotAllowNull ( ) : void
CheckUnique ( ) : void
OnPropertyChanging ( PropertyChangedEventArgs pcevent ) : void
RaisePropertyChanging ( string name ) : void

Private Methods

Method	Description
AddDependentColumn ( DataColumn expressionColumn ) : void
BindExpression ( ) : void
CheckColumnConstraint ( DataRow row, DataRowAction action ) : void
CheckMaxLength ( ) : bool
CheckMaxLength ( DataRow dr ) : void
CheckNullable ( DataRow row ) : void
Clone ( ) : DataColumn
Compare ( int record1, int record2 ) : int
CompareValueTo ( int record1, object value, bool checkType ) : bool
CompareValueTo ( int record1, object value ) : int
ConvertObjectToXml ( object value ) : string
ConvertObjectToXml ( object value, XmlWriter xmlWriter, XmlRootAttribute xmlAttrib ) : void
ConvertValue ( object value ) : object
ConvertXmlToObject ( XmlReader xmlReader, XmlRootAttribute xmlAttrib ) : object
ConvertXmlToObject ( string s ) : object
Copy ( int srcRecordNo, int dstRecordNo ) : void
CopyValueIntoStore ( int record, object store, BitArray nullbits, int storeIndex ) : void
FindParentRelation ( ) : DataRelation	Finds a relation that this column is the sole child of or null.
FinishInitInProgress ( ) : void
FreeRecord ( int record ) : void
GetAggregateValue ( int records, AggregateType kind ) : object
GetColumnValueAsString ( DataRow row, DataRowVersion version ) : string
GetDataRow ( int index ) : DataRow
GetEmptyColumnStore ( int recordCount ) : object
GetStringLength ( int record ) : int
HandleDependentColumnList ( DataExpression oldExpression, DataExpression newExpression ) : void
Init ( int record ) : void
InitializeRecord ( int record ) : void
InsureStorage ( ) : void
InternalUnique ( bool value ) : void
IsAutoIncrementType ( Type dataType ) : bool
IsColumnMappingValid ( StorageType typeCode, MappingType mapping ) : bool
IsInRelation ( ) : bool	Returns true if this column is a part of a Parent or Child key for a relation.
IsMaxLengthViolated ( ) : bool
IsNotAllowDBNullViolated ( ) : bool
IsNull ( int record ) : bool
IsValueCustomTypeInstance ( object value ) : bool
OnSetDataSet ( ) : void
RemoveDependentColumn ( DataColumn expressionColumn ) : void
ResetCaption ( ) : void	Resets the property to its previous value, or to .
ResetNamespace ( ) : void
SetCapacity ( int capacity ) : void
SetMaxLengthSimpleType ( ) : void
SetOrdinalInternal ( int ordinal ) : void
SetStorage ( object store, BitArray nullbits ) : void
SetTable ( DataTable table ) : void	Internal mechanism for changing the table pointer.
SetValue ( int record, object value ) : void
ShouldSerializeCaption ( ) : bool	Gets a value indicating whether the has been explicitly set.
ShouldSerializeDefaultValue ( ) : bool
ShouldSerializeNamespace ( ) : bool
UpdateColumnType ( Type type, StorageType typeCode ) : void
this ( int record ) : object	This is how data is pushed in and out of the column.

Method Details