Hp Intelligent Management Center Standard Software Pl Bedienungsanleitung Seite 618

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Long lists of values
Because the number of items in a list of values (LOV) can be very large,
numbering in the hundreds or thousands, Crystal Reports handles these
long LOVs by retrieving smaller batches of values at a time.
Crystal Reports displays a single batch of LOVs, and provides two options
to the user to control the list: the batch number and a simple text filter for
limiting the number of items in the list.
The default number of items per batch retrieved in a long LOV is 200;
however, you can change this default number.
Changing the number of items in a long LOV
There are two methods for changing the number of items in a long LOVs.
When prompting the user, Crystal Reports retrieves the long LOV batch size
from this Windows registry location:
HKEY_CURRENT_USER\Software\Business Objects\Suite
12.0\Crystal Reports\ReportView
If it does not already exist, create the DWord value called PromptingLOV
BatchSize, and set the value to the number of items in a batch.
Note:
Be careful to select Decimal as the base value before entering the batch
size.
You can create or change a parameter in the Tomcat configuration file to set
the batch size for long LOVs. Open the following file:
{CR_install_folder}/Tomcat/webapps/CrystalReports/WEB-
INF/web.xml
If it does not already exist, create this parameter:
<context-param>
<param-name>crystal_max_number_list_of_values</param-
name>
<param-value>{number}</param-value>
</context-param>
618 Crystal Reports 2008 SP3 User's Guide
Parameter Fields and Prompts
23
Working with lists of values
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