New Post: IIf Grand total only totals FALSE values

WITH
MEMBER [Measures].[Demand3] as IIf(
   [Loc #].currentmember.Membervalue = '796',
 
   ([Loc #].[All], [Sls E-Comm - Rtl]),
 
   ([Loc #], [Sls Tot - Rtl]) 
    - 
   ([Loc #], [Sls E-Comm - Rtl])
)

SELECT NON EMPTY Hierarchize({DrilldownLevel({[Location].[Loc #].[All]},,,INCLUDE_CALC_MEMBERS)}) DIMENSION PROPERTIES PARENT_UNIQUE_NAME,HIERARCHY_UNIQUE_NAME ON COLUMNS  FROM [BDS Merchandising Week-Store-Sku] WHERE ([Time].[Fiscal Calendar].[FW Name].&[2013]&[2]&[4]&[12]&[51],[Measures].[Demand3]) CELL PROPERTIES VALUE, FORMAT_STRING, LANGUAGE, BACK_COLOR, FORE_COLOR, FONT_FLAGS