Thanks Sergey, Your solution works great.

Martin

>Hi Martin,
>
>Dynamic SQL runs in its own context not in the context of SP that executed it. Because of that SP variables are not within scope of Dynamic SQL. The common practice is to store a return value to a temporary table and than use it in the calling SP.
>
>Create Procedure sp_GetData
>(
>@tcWhere VarChar(100),
>@tcReturn VarChar(1000) Output
>)
>As
>Declare @lcSql VarChar(1000)
>CREATE TABLE #returnvalue ( cReturn VarChar(1000) )
>Set @lcSql = 'Select cField From Table where ' + @tcWhere
>INSERT INTO #returnvalue Exec (@lcSql)
>SET @tcReturn = (SELECT cReturn FROM #returnvalue )