How to get the value for dynamic column

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I am using following query for select statement

SELECT	GODOWNNAME,  ITEMCODE,      ITEMNAME,
        STOCKQUANTITY as OPEN_QTY,  CLOSINGQTY,
       'PUR_QTY'  =  ISNULL(PURCHASEQUANTITY,0) + ISNULL(SALESRTNQTY,0) ,
       'SAL_QTY' =   ISNULL(PURCHASERTNQTY,0) + ISNULL(SOLDQUANTITY,0),  
FROM	@GODOWN_STOCK WHERE ITEMSRLNO=@ITEMSNO AND ('PUR_QTY'+'SAL_QTY'+STOCKQUANTITY+CLOSINGQTY)<>0
		ORDER	BY	GODOWNSRLNO,	ITEMCODE

But the error is displayed we cannot convert varchar to numeric. How to calculate the values for dynamic columns PUR_QTY , SAL_QTY

Please help me thank you

Posted 22-Jun-12 21:15pm

devausha

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Sandeep Mewara · Answer 1 · 2012-06-22T21:35:00

Solution 1

Try:

SQL

SELECT	
     GODOWNNAME,  
     ITEMCODE,      
     ITEMNAME,
     STOCKQUANTITY as OPEN_QTY,  
     CLOSINGQTY,
     (ISNULL(PURCHASEQUANTITY,0) + ISNULL(SALESRTNQTY,0)) AS PUR_QTY,
     (ISNULL(PURCHASERTNQTY,0) + ISNULL(SOLDQUANTITY,0)) AS SAL_QTY,  
FROM	
     @GODOWN_STOCK 
WHERE 
     ITEMSRLNO=@ITEMSNO 
     AND 
     (PUR_QTY+SAL_QTY+STOCKQUANTITY+CLOSINGQTY)<>0
ORDER BY	
     GODOWNSRLNO,	
     ITEMCODE

Posted 22-Jun-12 21:35pm

Sandeep Mewara

Comments

devausha 23-Jun-12 7:18am

There is too many columns should be added. So Is there any other method to solve this problem?

Arul R Ece 23-Jun-12 7:41am

Can U pls confirm the data type for PUR_QTY , SAL_QTY

devausha 25-Jun-12 1:12am

Pur_qty and Sal_qty is numeric(13,2)

devausha 25-Jun-12 2:26am

I already tried above solutions, But the error is displayed UNKNOWN COLUMN NAME PUR_QTY,SAL_QTY