CALCULATION IN A QUERY

I HAVE A QUERY 
select Entry_Course,COUNT(*) as Str,DTSEN,DTCOM,Batch,dbo.getpdCount(ENTRY_course) as 'Att Pd', dbo.getBTechBECount(ENTRY_course) as 'BTECH',dbo.getTESCount(ENTRY_Course) as 'TES', dbo.getMedCount(ENTRY_course) as 'Med', COUNT(*)-dbo.getBTechBECount(ENTRY_course)-dbo.getTESCount(ENTRY_course)AS [YO Str], dbo.getYOCount(ENTRY_course) as 'YO Done',COUNT(*)-dbo.getBTechBECount(ENTRY_course)-dbo.getTESCount(ENTRY_course)-dbo.getyoCount(ENTRY_course) AS [Bal for YO], dbo.getdtlCount(ENTRY_course) as 'Dtld YO', CAST(dbo.getYOCount(ENTRY_course) AS INT) + CAST(dbo.getdtlCount(ENTRY_course) AS INT) AS 'Avl Deg' FROM COURSE_INTAKE group by ENTRY_Course,DTCOM,DTSEN,batch I DONT WANT GROUP BY DTSEN,DTCOM. BUT I WANT TO DISPLAY DTSEN,DTCOM IN MY GRIDVIEW. WHEN I REMOVE DTSEN,DTCOM FROM GROUP BY THE QUERY GIVES ERROR


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