How do you handle null value in Crystal Report?
If you want to handle null field values in your formula, you must explicitly do so using one of the special functions designed for handling them: IsNull, PreviousIsNull or NextIsNull. In other words, SAP Crystal Reports will stop evaluating a Boolean expression when it can deduce the results of the whole expression.
IS NULL function in Crystal Reports?
IIF and IsNull are functions in Crystal Reports that are used in formulas to test fields for blanks, empty strings, missing values and NULL, then return some valid output. If the field is NULL, then TBD (To Be Determined) will be put in the report where the formula has been placed.
What is suppress in Crystal Report?
In Crystal report, Suppress is used to leave the data in the report. To use the Suppress, click ‘Session Expert’ icon. Here choose the Section part, which we want to hide and click on the Suppress option. Now, click ‘OK’ button. Subsequently, we can see the suppressed part on the design page of the report.
Is null in IIF statement?
Example 8: SQL IIF with NULL values We should be careful in NULL values inside the SQL IIF function. IIF(100 > 99, NULL, NULL) AS Result; We cannot specify NULL in both the true and false arguments. You should specify at least one of a true or false argument.
Is null in Informatica?
Returns whether a value is NULL. ISNULL evaluates an empty string as FALSE. To test for empty strings, use LENGTH….Example.
|Regulator system||0 (FALSE)|
|”||0 (FALSE) Empty string is not NULL|
What is the difference between hide and suppress in Crystal Reports?
Hide allows for drill-down. Suppressing a section hides it and prevents drill-down.
How do you suppress a condition in Crystal Report?
To suppress a section based on a specific condition:
- Right-click on the section name on the left and select Section Expert (or go to Report > Section Expert and select the section on the left)
- Click the X+2 button across from Suppress (No Drill-Down)
- Enter the condition for when the section should be suppressed.