Database Reference
In-Depth Information
The following is a screenshot of the general page when creating a report parameter:
Report parameter properties dialog box
Let us have a look at these parameters:
• The area numbered
1
is
Name
. This is the name of the parameter that is used
to reference the parameter from other objects in the report.
• The area numbered
2
is
Prompt
. This is the string that will be displayed to
the user at runtime; it should be descriptive and intuitive.
• The area numbered
3
is
Data type
. This defines the type of data contained
in the parameter value. Possible values include
Text
,
Boolean
,
Date/Time
,
Integer
, and
Float
.
• The area numbered
4
is
Allow blank value ('')
. This defines whether a
parameter value can be left blank or not.
• The area numbered
5
is
Allow null value
. This defines whether a parameter
value can be set to null.