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Determines whether an item is in a comma-separated string or string list.



ITEM (required)
Specify the item to check for in LIST_NAME.

STR (required)
String to check for occurrence of ITEM_NAME. The string consists of a comma-separated list of items.

LIST (optional)
List to check for occurrence of ITEM_NAME. If LIST_NAME is not a list, an error is inserted into the output and processing may stop if xmldebug=true in the Sites properties file.


Determines whether an item is in a comma-separated string or string list. If STR or LIST is not specified or is empty, the item cannot be found and the value of errno is unchanged.


This does not work on lists created from resultsets or search results.

The column values of the current row of a list can be obtained using the syntax, List.colname where List is the name of the list and colname is the name of the column in the list.


In the case of StringLists, the values can be obtained by using List.Item.

You can use the following attributes to return information about the list using the syntax, List.attname, where attname can be one of the following attributes:

Number of rows in this list
Current row in this list.
Boolean (true/false) to indicate whether there are more rows following the current row.
Number of columns in this list.
Only used on lists that contain resultsets. Contents of the file in the specified column if the colname begins with "url".

For example, MyList.#numRows returns the number of rows in the list MyList. MyList.@urlheader retrieves the contents of the file specified by the column urlheader.

The value of a list is maintained during the processing of a page request. If the list contains a resultset, the resultset is maintained independently of a list that uses it.

Error Numbers

The possible values of errno include:

Item was found.
Item was not found.


The following example determines whether the string assigned to MyItem is one of the elements in MyStr:

Running this code yields the following output:

See Also


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