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3. Right-click the Table Field in the list of Fields,
and select Field Properties from the menu
that appears.
The Field Properties dialog appears.
4. Click the Property for whose value(s) you wish
to pull from an against an external database.
5. Click the drop-down arrow for Enumerator,
and select Database Lookup.
6. Click the Properties button.
The Database Lookup Properties dialog
appears.
7. Enter the following information:
• Connection String – A string used to
define a connection to a database. If this
string is 0-length (Null in the database), then
it is assumed to be a connection to the
primary schema of the E-Notebook
database. If the string is a path to an .mdb
file, then a connection is made to that file
using the Microsoft Access OLEDB
provider. Otherwise, the string is treated as
a valid string that can be assigned to an
ADODB.Connection object’s
ConnectionString property.
• Username – An optional string used to
specify the logon identification required to
connect to the specified database. If the
Username is 0-length and the Connection
String is 0-length, then the owner of the
primary schema of the E-Notebook
database is used as the username.
• Password – An optional string used to
identify the logon ID required to connect to
the specified database. If the UserName is 0-
length and the Connection String is 0-
length, then the password is ignored.
• SQL String – A required string that starts
with the text “SELECT “. This string is used
to specify the record set that appears within
the E-Notebook section. The SQL String
can have the following special phrases that
are dynamically replaced based on the
location of the section cell.
• %%section_key%% – The unique
identifier for the section containing the
section cell in which the record set appears.
This datum corresponds to a value in the
primary_key column for a row in the
ELN_sections table.
• %%field_key%% – The unique identifier
for the field that describes the section cell in
which the record set appears. This datums
corresponds to a value in the primary_key
column for a row in the ELN_fields table.
• %%collection_key%% – The unique
identifier for the collection that contains the
section containing the section cell in which
the record set appears. This datum
530• Managing Fields CambridgeSoft
Managing Data Fields