Module: HyperlinkFields in Category Access/Jet Databases : Fields from Total Visual SourceBook

Detect and parse values in hyperlink fields from records in Access ACCDB database tables using DAO with VBA and VB6.

Procedure Name Type Description
(Declarations) Declarations Declarations and private variables for the modHyperlinkFields module.
IsFieldHyperlink Procedure Checks if the specified field in a table in the specified database is a hyperlink field. Hyperlink is a type of memo field.
HyperlinkParts Procedure Break up a hyperlink field value into its friendly name and hyperlink parts.
' Example of modHyperlinkFields
' To use this example, create a new module and paste this code into it.
' Then run the procedure by putting the cursor in the procedure and pressing:
'    F5 to run it, or
'    F8 to step through it line-by-line (see the Debug menu for more options)

Private Sub Example_modHyperlinkFields()
  ' Comments: Examples of using the modHyperlinkFields module to manage hyperlink fields in Microsoft Access ACCDB databases with VBA or VB6.

  ' This example assumes that this sample database exists, and contains the objects listed in the constants below.
  Const cstrSamplePath As String = "C:\Total Visual SourceBook 2013\Samples\"
  Const cstrSampleDB As String = "Sample.accdb"
  Const cstrTableName As String = "Customers-Complex"
  Const cstrHyperlinkField As String = "HomePage"
  Const cstrEmailField As String = "Email"
  Const cstrIDField As String = "CustomerID"

  Dim dbs As DAO.Database
  Dim rst As DAO.Recordset
  Dim strHyperlink As String
  Dim strFriendlyName As String

  ' Initialize database, table, and field variables
  Set dbs = OpenDatabase(cstrSamplePath & cstrSampleDB, False, False)

  ' See if a field is a Hyperlink data type
  If IsFieldHyperlink(dbs, cstrTableName, cstrHyperlinkField) Then
    Debug.Print "Field [" & cstrHyperlinkField & "] is a Hyperlink field."
    Debug.Print "Field [" & cstrHyperlinkField & "] is NOT a Hyperlink field."
  End If

  If IsFieldMultiValue(dbs, cstrTableName, cstrIDField) Then
    Debug.Print "Field [" & cstrIDField & "] is a Hyperlink field."
    Debug.Print "Field [" & cstrIDField & "] is NOT a Hyperlink field."
  End If

  ' Display the hyperlink field values in each record and display its components for hyperlink and friendly name
  Set rst = dbs.OpenRecordset(cstrTableName, dbOpenDynaset, dbSeeChanges)
  Debug.Print "Field Name, Field Value, Hyperlink, Friendly Name"
  Do Until rst.EOF
    ' Process the HomePage field
    strHyperlink = HyperlinkParts(rst.Fields(cstrHyperlinkField), strFriendlyName)
    Debug.Print cstrHyperlinkField, rst.Fields(cstrHyperlinkField), strHyperlink, strFriendlyName

    ' Process the Email field
    strHyperlink = HyperlinkParts(rst.Fields(cstrEmailField), strFriendlyName)
    Debug.Print cstrEmailField, rst.Fields(cstrHyperlinkField), strHyperlink, strFriendlyName


  ' Clean up
  Set rst = Nothing

  Set dbs = Nothing

End Sub

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