Counts instances of a specified value in a list. The search is case-sensitive.
The number of instances of value in the list.
List functions, String functions
ListValueCount(list, value [, delimiters ])
| Parameter | Description |
|---|---|
list |
A list or a variable that contains one. |
value |
String or number or a variable that contains one. Item for which to search. The search is case-sensitive. |
delimiters |
A string or a variable that contains one. Character(s) that separate list elements. Default: comma. If this parameter contains more than one character, ColdFusion processes each occurrence of each character as a delimiter. |
<cfquery name = "SearchByDepartment" datasource = "cfsnippets">
SELECT Department
FROM Employees
</cfquery>
<h3>ListValueCount Example</h3>
<p>This example uses ListValueCount to count employees in a department.
<form action = "listvaluecount.cfm">
<p>Select a department:</p>
<select name = "departmentName">
<option value = "Accounting">
Accounting
</OPTION>
<option value = "Administration">
Administration
</OPTION>
<option value = "Engineering">
Engineering
</OPTION>
<option value = "Sales">
Sales
</OPTION>
</select>
<input type = "Submit" name = "Submit" value = "Search Employee List">
</form>
<!--- wait to have a string for searching defined --->
<cfif IsDefined("FORM.Submit") and IsDefined("FORM.departmentName")>
<cfset myList = ValueList(SearchByDepartment.Department)>
<cfset numberInDepartment = ListValueCount(myList, FORM.departmentName)>
<cfif numberInDepartment is 0>
<h3>There are no employees in <cfoutput>#FORM.departmentName#</cfoutput></h3>
<cfelseIf numberInDepartment is 1>
<cfoutput> <p>There is only one person in #FORM.departmentName#.
</cfoutput>
<cfelse>
<cfoutput> <p>There are #numberInDepartment# people in #FORM.departmentName#.
</cfoutput>
</cfif>
</cfif>