[WEB400] Querystring for Pulling data Into Webservice

["Rohan Sootarsing" <Rohan.Sootarsing@xxxxxxxxxxxxx>]

Hi Guys I have a webservice using the following query it works absolutly
fine 

new iDB2Command("Select * from ctx4nthg where REF = '123456'"
,connDB2);

This works fine but I want it to return different results depending on
the value of something called filter

i have tried 
new iDB2Command("Select * from ctx4nthg where REF =" + @filter
,connDB2);
and 
new iDB2Command("Select * from ctx4nthg where REF =@filter" ,connDB2);
can anyone give me some tips

Rohan



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