## Overview This is the "ClearChoiceHash method" of the "columns object." It clears the "[Option List](/en/manual/table-management-choices-text)" of the "[Column](/en/manual/table-management-column)" in the "[Server Script](/en/manual/table-management-server-script)". ## Limitations 1. Only "[Class Column](/en/manual/table-management-class)" can be used. 1. This is valid when the server script "「Condition」" is " Before Screen Display" or "Before Row Display". ## Prerequisites 1. At least one option must be set in the option list for the target "[Column](/en/manual/table-management-column)". ## Syntax ``` columns.[Column Name].ClearChoiceHash(); ``` ## Parameters There are no parameters. ## Return Value There is no return value. ## Usage Example In the example below, the "[Class Column](/en/manual/table-management-class)" option is cleared. ##### JavaScript ``` columns.ClassA.ClearChoiceHash(); ``` ## Related Information <div id="ManualList"><ul><li><a href="/en/manual/table-management-column">Manage Table: Column</a><span>10.07.2024 up</span></li> <li><a href="/en/manual/table-management-class">Table Management: Item: Classification</a><span>08.13.2024 up</span></li></ul></article> <ul><li><a href="/en/manual/table-management-choices-text">Table Management: Editor: Item Detail Settings: Option List</a><span>08.13.2024 up</span></li></ul></article> <ul><li><a href="/en/manual/table-management-server-script">Table Management: Server Script</a><span>08.13.2024 up</span></li></ul></article></div><input id="SearchTextHidden" type="hidden" value="" />