Nulls Help

[bharatkishore]

Hi All,

I have the below code:

if(Previous(Key_EMS) <> Key_EMS,($(MonthDiff(Technical_Start_Date, Calendar_Month_Code))),

if(Previous(Install_Flag) = 1 and Previous(Removal_Flag) = 1, 0,

if(Previous(Install_Flag) = 1 and Previous(Removal_Flag) = 0, rangesum(peek('Age'),1),

if(Previous(Install_Flag) = 0 and Previous(Removal_Flag) = 1, 0,

if(Previous(Peek('Age2')) = 0, 0, Rangesum(Peek('Age2'),1)))))) as Age2

All this is working fine.

Only problem is please see the below image

Here if you see in KEY_EMS there we have some nulls and if you see in the Age2 column there the subtraction is not happening correct(between technical_start_Date - Calendar_Month_Code) and the months are showing in-correct.

Can you please check and let me know what i need to do.

Thanks,

Bharat

[vunguyenq89]

Can you share a sample app? It is difficult to troubleshoot an expression without knowing the data model.