One field crashes my grid when trying to sort. Problem with my query?

I have a CFGRID displaying 5 fields. One field is populated from a drop-down choice/reference table. This one field doesn't allow me to sort, and when I try I get the error: Error Invoking CFC / Error Executing Database Query.

In my master table I am storing the ID (numeric) for "OfferType" (OfferTypeID) but displaying the word/name value that goes with that (OfferType).

Below is a sample of my code - can someone help me figure out why I can't sort by this column?

Thank you.


<cffunction name="getrecords" access="remote" returntype="struct">
      <cfargument name="page" required="true" />
      <cfargument name="pageSize" required="true" />
      <cfargument name="gridsortcolumn" required="true" />
      <cfargument name="gridsortdirection" required="true" />
      <cfargument name="getSearchString" required="true" />
      <cfset var records="">

      <cfquery name="getrecords" datasource="#ds#">

            SELECT dbo.Tbl_Record_Master.ReferenceNumber, dbo.Rtbl_Record_OfferType.OfferType, dbo.Tbl_Record_Master.SomeField,
               dbo.Tbl_Record_Master.AnotherField, dbo.Tbl_Record_Master.PhoneNumberA,
            FROM   dbo.Tbl_Record_Master LEFT OUTER JOIN
               dbo.Rtbl_Record_OfferType ON dbo.Tbl_Record_Master.OfferType = dbo.Rtbl_Record_OfferType.OfferTypeID

            WHERE dbo.Tbl_Record_Master.Inactive is Null
            <cfif len(arguments.getSearchString)>
            and lower(dbo.Tbl_Record_Master.PhoneNumberA) like <cfqueryparam value="%#lcase(arguments.getSearchString)#%" cfsqltype="cf_sql_varchar">

            or lower(dbo.Rtbl_Record_OfferType.OfferType) like <cfqueryparam value="%#lcase(arguments.getSearchString )#%" cfsqltype="cf_sql_varchar">
            <cfif len(arguments.gridSortColumn) and len(arguments.gridSortDirection)>
            order by #arguments.gridsortcolumn# #arguments.gridsortdirection#


            <cfreturn queryConvertForGrid(getrecords,, arguments.pageSize)>



<div id="Grid">
<cfform name="Grid">
<cfinput name="searchString" />
<cfinput type="button" name="searchBtn" value="Search" onclick="ColdFusion.Grid.refresh('Grid', false);" />
<cfinput type="reset" name="Reset" value="Reset" onClick="setTimeout(function() {ColdFusion.Grid.refresh('Grid', false);},500);" />
<br /><br />
    format="html" name="Grid" pagesize="20" width="455"
      bind="cfc:CopyRecord.getrecords({cfgridpage},{cfgridpagesize},{cfgridsortcolumn},{cfgridsortdirection}, getSearchString())">
    <cfgridcolumn name="ReferenceNumber" width="4" header="ID" href="record_edit.cfm?" hrefkey="ReferenceNumber" />
      <cfgridcolumn name="PhoneNumberA" width="100" header="Phone A" />
      <cfgridcolumn name="AnotherField" width="100" header="Another Field" />
      <cfgridcolumn name="SomeField" width="100" header="Some Field" />
      <cfgridcolumn name="OfferType" width="100" header="Offer Type" />
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Gurpreet Singh RandhawaWeb DeveloperCommented:
what this is returning to u
order by #arguments.gridsortcolumn# #arguments.gridsortdirection#

Just a guess .. but IIRC both tables contain a column named "OfferType". So if you try and sort by that column the db gets confused and throws an "ambiguous column" error because it doesn't know which column to use.

You either have to indicate the source table manually
<cfif len(arguments.gridSortColumn) and len(arguments.gridSortDirection)>
      <cfif arguments.gridSortColumn eq "OfferType">
          order by dbo.Rtbl_Record_OfferType.OfferType #arguments.gridsortdirection#
            order by #arguments.gridsortcolumn# #arguments.gridsortdirection#
          ... OR ...

Create a completely unique alias for that column in your SELECT. Then use the Alias in the rest of your code (like for the grid column name)  That's the better option, but it'll require changing some of your existing code.

SELECT  dbo.Tbl_Record_Master.ReferenceNumber
            , dbo.Rtbl_Record_OfferType.OfferType   AS SomeUniqueName

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Side note, if you're doing any ajax work, enabling the ajax debugger in the CF Admin and using a plugin like firebug are essentially tools for troubleshooting.
earwig75Author Commented:
You rule, that was it.
Welcome :) .. and thanks for posting exactly what we needed to answer the question. It was perfect.
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