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TableDef.RefreshLink Method (DAO)

Last modified: June 30, 2011

Applies to: Access 2013 | Office 2013

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Syntax
Remarks
Example

Updates the connection information for a linked table (Microsoft Access workspaces only).

expression .RefreshLink

expression A variable that represents a TableDef object.

To change the connection information for a linked table, reset the Connect property of the corresponding TableDef object and then use the RefreshLink method to update the information. Using RefreshLink method doesn't change the linked table's properties and Relation objects.

For this connection information to exist in all collections associated with the TableDef object that represents the linked table, you must use the Refresh method on each collection.

This example uses the RefreshLink method to refresh the data in a linked table after its connection has been changed from one data source to another. The RefreshLinkOutput procedure is required for this procedure to run.

Sub RefreshLinkX() 
 
 Dim dbsCurrent As Database 
 Dim tdfLinked As TableDef 
 
 ' Open a database to which a linked table can be 
 ' appended. 
 Set dbsCurrent = OpenDatabase("DB1.mdb") 
 
 ' Create a linked table that points to a Microsoft 
 ' SQL Server database. 
 Set tdfLinked = _ 
 dbsCurrent.CreateTableDef("AuthorsTable") 
 
 ' Note: The DSN referenced below must be configured to 
 ' use Microsoft Windows NT Authentication Mode to 
 ' authorize user access to the Microsoft SQL Server. 
 tdfLinked.Connect = _ 
 "ODBC;DATABASE=pubs;DSN=Publishers" 
 tdfLinked.SourceTableName = "authors" 
 dbsCurrent.TableDefs.Append tdfLinked 
 
 ' Display contents of linked table. 
 Debug.Print _ 
 "Data from linked table connected to first source:" 
 RefreshLinkOutput dbsCurrent 
 
 ' Change connection information for linked table and 
 ' refresh the connection in order to make the new data 
 ' available. 
 
 ' Note: The DSN referenced below must be configured to 
 ' use Microsoft Windows NT Authentication Mode to 
 ' authorize user access to the Microsoft SQL Server. 
 tdfLinked.Connect = _ 
 "ODBC;DATABASE=pubs;DSN=NewPublishers" 
 tdfLinked.RefreshLink 
 
 ' Display contents of linked table. 
 Debug.Print _ 
 "Data from linked table connected to second source:" 
 RefreshLinkOutput dbsCurrent 
 
 ' Delete linked table because this is a demonstration. 
 dbsCurrent.TableDefs.Delete tdfLinked.Name 
 
 dbsCurrent.Close 
 
End Sub 
 
Sub RefreshLinkOutput(dbsTemp As Database) 
 
 Dim rstRemote As Recordset 
 Dim intCount As Integer 
 
 ' Open linked table. 
 Set rstRemote = _ 
 dbsTemp.OpenRecordset("AuthorsTable") 
 
 intCount = 0 
 
 ' Enumerate Recordset object, but stop at 50 records. 
 With rstRemote 
 Do While Not .EOF And intCount < 50 
 Debug.Print , .Fields(0), .Fields(1) 
 intCount = intCount + 1 
 .MoveNext 
 Loop 
 If Not .EOF Then Debug.Print , "[more records]" 
 .Close 
 End With 
 
End Sub 
 

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