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Coldfusion Form submit / SQL question

Posted on 2013-06-19
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Last Modified: 2013-06-19
I have added "multiple" to my select dropdown, but I'm not sure how to adjust my SQL query on the action page to compensate for multiple city selections? Any help appreciated!

screenshot of multiselect menu
<cfselect name = "City" query = "city" value = "City" queryPosition="below" selected = "#prefillCity#" class="selectpicker show-menu-arrow span6" multiple>
      <option value=" ">All Cities</option>
      </cfselect>


<!---QUERY ON FORM ACTION PAGE--->
<cfquery name="listings" datasource="datasource" result="result">
SELECT * from res INNER JOIN seo on res.Listid = seo.Listid
WHERE 0=0

<!---Search by City--->
<cfif StructKeyExists(form,"City") and len(trim(form.City))>
 AND City = '#form.City#'
</cfif>
0
Comment
Question by:Bang-O-Matic
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2 Comments
 
LVL 52

Accepted Solution

by:
_agx_ earned 500 total points
ID: 39260808
(Edit) Since the field will now contain multiple cities, the SQL should switch to an IN (....) clause instead of equals (single comparison only).  ie WHERE City IN ( 'list', 'of', 'city', 'names')

<!---Search by City--->
<cfif StructKeyExists(form,"City") and len(trim(form.City))>
 AND City IN (
         <cfqueryparam value="#form.City#" cfsqltype="cf_sql_varchar" list="true">
     )
</cfif>
0
 

Author Closing Comment

by:Bang-O-Matic
ID: 39260830
Works perfect! Thanks _agx_.
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