bindingInfo.getTopN(field, header)

Returns the number of row or column groups in the ranking specified by bindingInfo.setTopN(field, header, number) or set by the ‘Rank’ option in the Crosstab Editor.

bindingInfoSetTopN 1

Parameters

field: String: Name of a column to rank
header: StyleConstant.ROW_HEADER or StyleConstant.COLUMN_HEADER

Returns

Integer: Number of row or column groups

Example

var numGroups = Crosstab1.bindingInfo.getTopN('Category',StyleConstant.ROW_HEADER);
Text1.text = 'Displaying top ' + numGroups + ' groups.'

Either syntax below can be used in component script:

bindingInfo.getTopN             // unqualified
Crosstab1.bindingInfo.getTopN   // qualified

For onInit/onRefresh scripts, and for component and property scripts on other components, the second (qualified) form is required.