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RemoveFilter: Difference between revisions

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[[Category:HelpBooks]]
[[Category:Data_Cache_Functions]]

{{HelpFiles}}


=====removeFilter=====
====removeFilter====


Removes the filter with the given id.
Remove a filter expression from filter expression list.


'''Syntax'''
'''Syntax'''


removeFilter(''filterId'')
removeFilter(''filterIndex'')


'''Arguments'''
'''Arguments'''


''filterID:'' Is a numeric expression. It is the id of the filter returned by addFilter function when the filter was added. Error message will be shown when the id is invalid.
''filterIndex''Is a numeric (non-decimal) expression.


'''Return type'''
'''Return type'''
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'''Examples'''
'''Examples'''


removeFilter(1);//remove the first filter added
''addFilter("Sex == 1"); ''
 
''addFilter("Age == 18"); ''
 
''string a = dcGetFilterExpression(); ''
 
''print(a); //(Sex == 1) && (Age == 18) ''
 
''removeFilter(1); ''
 
''a = dcGetFilterExpression(); ''
 
''print(a); //(Age == 18) ''


'''Availability'''
'''Availability'''


Version 5.5
Version 5.4
__NOTOC__
__NOTOC__
<!-- imported from file: 5206.htm-->
<!-- imported from file: 4249.htm-->

Latest revision as of 09:21, 20 December 2011



removeFilter

Remove a filter expression from filter expression list.

Syntax

removeFilter(filterIndex)

Arguments

filterIndex: Is a numeric (non-decimal) expression.

Return type

empty

Examples

addFilter("Sex == 1");

addFilter("Age == 18");

string a = dcGetFilterExpression();

print(a); //(Sex == 1) && (Age == 18)

removeFilter(1);

a = dcGetFilterExpression();

print(a); //(Age == 18)

Availability

Version 5.4