|Publisher Developer Reference|
expression A variable that represents an Document object.
A publication must be connected to a valid data source to perform a mail merge or catalog merge.
The following example tests whether the publication is connected to a data source and, if it is not, specifies and connects a data source to the publication.
Before running this example, you must replace PathToFile with a valid file path and TableName with a valid data source table name.
|Visual Basic for Applications|