How do I sort a varchar column using numeric ordering
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        Published on 2010-04-15T11:30:52Z
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I have the field receiptno, which is a varchar holding a numeric value, and want to sort this. Sorting as a string gives me the wrong ordering.  I'd like to try sorting it as an integer.  Is there anyway to converting to integer in the order by clause so I can sort by integer in the query itself. 
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