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SqlDataAdapter.OnRowUpdated Method ( RowUpdatedEventArgs )

System.Data.SqlClient Namespace   SqlDataAdapter Class


Raises the RowUpdated event.

[ VB ]
Overloads Overrides Protected Sub OnRowUpdated ( _
   ByVal ruevent As RowUpdatedEventArgs _
)

[ C# ]
Protected override void OnRowUpdated (
   RowUpdatedEventArgs ruevent
);

[ C++ ]
protected: void OnRowUpdated (
   RowUpdatedEventArgs* ruevent
);

[ JScript ]
Protected override function OnRowUpdated (
   ruevent : RowUpdatedEventArgs
);

Parameters

ruevent
An SQLRowUpdatedEventArgs that contains the event data.

Remarks

Raising an event invokes the event handler through a delegate. For more information, see Providing Event Functionality.

Notes to Inheritors: When overriding OnRowUpdated in a derived class, be sure to call the base class's OnRowUpdated method.

Example

The following example [ B ] uses this method within a derived class.

[ VB ] 
' myAdapter.class derived from SqlDataAdapter
Inherits SqlDataAdapter
' create the method for row updated
Public Sub OnRowUpdated ( event As RowUpdatedEventArgs )
   ' show a message box telling user of row update
   Dim myMsgBox As MessageBox
   myMsgBox.Show "A row has been updated."
   '  call the base class method
   MyBase.OnRowUpdated event
End Sub
' create the method for row updating
Public Sub OnRowUpdating ( event As RowUpdatingEventArgs )
   ' show a message box telling user of row update
   Dim myMsgBox As MessageBox
   myMsgBox.Show "A row is being updated ..."
   '  call the base class method
   MyBase.OnRowUpdating event
End Sub
' create the method for the schema changing
Public Sub OnSchemaChanging ( event As SchemaChangingEventArgs )
   ' show a message box telling user of schema change
   Dim myMsgBox As MessageBox
   myMsgBox.Show "the schema is changing ..."
   '  call the base class method
   MyBase.OnSchemaChanging event
End Sub
' create the method for the schema changed
Public Sub OnSchemaChanged ( event As SchemaChangedEventArgs )
   ' show a message box telling user of schema change
   Dim myMsgBox As MessageBox
   myMsgBox.Show "the schema has changed"
   '  call the base class method
   MyBase.OnSchemaChanged event
End Sub
' create the method for the schema being mapped
Public Sub OnSchemaMapping ( event As SchemaMappingEventArgs )
   ' show a message box telling the user of schema map
   Dim myMsgBox As MessageBox
   myMsgBox.Show "the schema is currently being mapped ..."
   ' call the base class method
   MyBase.OnSchemaMapping event
End Sub
See Also

SqlDataAdapter Members   SqlDataAdapter.OnRowUpdated Overload List   OnRowUpdating Skip Navigation Links


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