Problem using PQgetvalue() - Mailing list pgsql-interfaces

Hi I am using PQgetvalue() function in c to get the value of a field like<br /><br /> PQgetvalue(result,0,2)<br /><br
/>but the program outputs following<br /><br />"column number 2 is out of range 0..0"<br /><br /> Can someone tell me
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