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TableDefs Collection

Office 2007
A TableDefs collection contains all stored TableDef objects in a database (Microsoft Access workspaces only).

Remarks

You manipulate a table definition using a TableDef object and its methods and properties.

The default collection of a Database object is the TableDefs collection.

To refer to a TableDef object in a collection by its ordinal number or by its Name property setting, use any of the following syntax forms:

TableDefs(0)

TableDefs("name")

TableDefs![name]

Example

This example creates a new TableDef object and appends it to the TableDefs collection of the Northwind Database object. It then enumerates the TableDefs collection and the Properties collection of the new TableDef.

Visual Basic for Applications
Sub TableDefX()

   Dim dbsNorthwind As Database
   Dim tdfNew As TableDef
   Dim tdfLoop As TableDef
   Dim prpLoop As Property

   Set dbsNorthwind = OpenDatabase("Northwind.mdb")

   ' Create new TableDef object, append Field objects 
   ' to its Fields collection, and append TableDef 
   ' object to the TableDefs collection of the 
   ' Database object.
   Set tdfNew = dbsNorthwind.CreateTableDef("NewTableDef")
   tdfNew.Fields.Append tdfNew.CreateField("Date", dbDate)
   dbsNorthwind.TableDefs.Append tdfNew

   With dbsNorthwind
      Debug.Print .TableDefs.Count & _
         " TableDefs in " & .Name

      ' Enumerate TableDefs collection.
      For Each tdfLoop In .TableDefs
         Debug.Print "  " & tdfLoop.Name
      Next tdfLoop

      With tdfNew
         Debug.Print "Properties of " & .Name

         ' Enumerate Properties collection of new
         ' TableDef object, only printing properties
         ' with non-empty values.
         For Each prpLoop In .Properties
            Debug.Print "  " & prpLoop.Name & " - " & _
               IIf(prpLoop = "", "[empty]", prpLoop)
         Next prpLoop

      End With

      ' Delete new TableDef since this is a 
      ' demonstration.
      .TableDefs.Delete tdfNew.Name
      .Close
   End With

End Sub

This example creates a new TableDef object in the Northwind database.

Visual Basic for Applications
Sub CreateTableDefX()

   Dim dbsNorthwind As Database
   Dim tdfNew As TableDef
   Dim prpLoop As Property

   Set dbsNorthwind = OpenDatabase("Northwind.mdb")

   ' Create a new TableDef object.
   Set tdfNew = dbsNorthwind.CreateTableDef("Contacts")

   With tdfNew
      ' Create fields and append them to the new TableDef 
      ' object. This must be done before appending the 
      ' TableDef object to the TableDefs collection of the 
      ' Northwind database.
      .Fields.Append .CreateField("FirstName", dbText)
      .Fields.Append .CreateField("LastName", dbText)
      .Fields.Append .CreateField("Phone", dbText)
      .Fields.Append .CreateField("Notes", dbMemo)

      Debug.Print "Properties of new TableDef object " & _
         "before appending to collection:"

      ' Enumerate Properties collection of new TableDef 
      ' object.
      For Each prpLoop In .Properties
         On Error Resume Next
         If prpLoop <> "" Then Debug.Print "  " & _
           prpLoop.Name & " = " & prpLoop
         On Error GoTo 0
      Next prpLoop

      ' Append the new TableDef object to the Northwind 
      ' database.
      dbsNorthwind.TableDefs.Append tdfNew

      Debug.Print "Properties of new TableDef object " & _
         "after appending to collection:"

      ' Enumerate Properties collection of new TableDef 
      ' object.
      For Each prpLoop In .Properties
         On Error Resume Next
         If prpLoop <> "" Then Debug.Print "  " & _
           prpLoop.Name & " = " & prpLoop
         On Error GoTo 0
      Next prpLoop

   End With

   ' Delete new TableDef object since this is a 
   ' demonstration.
   dbsNorthwind.TableDefs.Delete "Contacts"

   dbsNorthwind.Close



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