.Select<TaskRow>("a.*,b.FSaleCode,b.FFormulaTestCode as FTestCode,b.FMdmCode,b.FFormulaName,b.FMaterialHalfIDs,cast(substring(c.FRemark,4,2)as int)as FViewType")
.Select<TaskRow>("a.*,b.FSaleCode,b.FFormulaTestCode as FTestCode,b.FMdmCode,b.FFormulaName,b.FMaterialHalfIDs,cast(substring(c.FRemark,4,2)as int)as FViewType,(case when b.FBomJson IS NULL then 0 when cast(b.FBomJson as nvarchar) = '' then 0 else 1 end) as FHasBomJson")