' Export the file.
Private Sub cmdExport_Click()
Dim fnum As Integer
Dim file_name As String
Dim database_name As String
Dim db As Database
Dim rs As Recordset
Dim num_fields As Integer
Dim field_width() As Integer
Dim field_value As String
Dim i As Integer
Dim num_processed As Integer
On Error GoTo MiscError
' Open the output file.
fnum = FreeFile
file_name = txtFileName.Text
Open file_name For Output As fnum
' Open the database.
Set db = OpenDatabase(txtDatabaseName.Text)
' Open the recordset.
Set rs = db.OpenRecordset( _
"SELECT * FROM Books ORDER BY Title")
' Start with the names of the fields.
num_fields = rs.Fields.Count
ReDim field_width(0 To num_fields - 1)
For i = 0 To num_fields - 1
' We're only working with Text here. Other
' types are different. For example, an
' integer may take 2 bytes to store but 6
' characters to display.
field_width(i) = rs.Fields(i).Size
If field_width(i) < Len(rs.Fields(i).Name) Then
field_width(i) = Len(rs.Fields(i).Name)
End If
field_width(i) = field_width(i) + 1
Print #fnum, rs.Fields(i).Name;
Print #fnum, Space$(field_width(i) - _
Len(rs.Fields(i).Name));
Next i
Print #fnum, ""
' Process the records.
Do While Not rs.EOF
num_processed = num_processed + 1
For i = 0 To num_fields - 1
field_value = rs.Fields(i).Value
Print #fnum, field_value & _
Space$(field_width(i) - _
Len(field_value));
Next i
Print #fnum, ""
rs.MoveNext
Loop
' Close the file and database.
rs.Close
db.Close
Close fnum
MsgBox "Processed " & _
Format$(num_processed) & " records."
Exit Sub
MiscError:
MsgBox "Error " & Err.Number & _
vbCrLf & Err.Description
End Sub
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