Question

The following query generate an error message

(SELECT ROW_NUMBER() OVER(ORDER BY (CASE @SortBy
    WHEN 'AccessionNumber' THEN  [AccessionNumber]
    WHEN 'CreatedDate' THEN  CreatedDate
END))AS RowNumber

Where

@SortBy VARCHAR(50) = 'AccessionNumber' 

passed as parameter.

Error :

The conversion of a varchar data type to a datetime data type resulted in an out-of-range value.

Answer 1

This has to be done like this.

(SELECT ROW_NUMBER() OVER 
         (
            -- Dynamic sorting
            ORDER BY 
               CASE WHEN  @SortBy = 'AccessionNumber'  THEN [AccessionNumber] END Asc ,
               CASE WHEN  @SortBy = 'CreatedDate' THEN CreatedDate END  Asc
              ) as  RowNo 

ie : First Order By one colunm THEN BY another …. like this..