A help with lookup table in power query

[Islam]

Hello Experts

i have a big problem and i can't solve it

i have a table that contains grade for each employee and a table which contains the grades ( fair , good , very good , excellent) and the lower and the upper limit for each category i wanna return each equivalent grade category text for each employee by filtering categories table by each employee grade for each row in student grades table filtering lower and upper limit

[PhilipTreacy]

@Islam 

I think you could do this with just an IF statement and not need a 2nd table with grades.

Please post some sample data, too hard to give an accurate solution without it.

regards

Phil

[Islam]

Didn't think about that 

i'll try this out and inform you of the result sir

[ChrisMendoza]

@Islam -

I tried to learn something new with @ImkeF solution at https://www.thebiccountant.com/2018/02/15/generic-switch-function-query-editor-in-power-bi-and-power... however, I failed trying to do a comparative operator; see [Custom] (Maybe ImkeF can show us how to do it with her nifty function). Then I found https://community.powerbi.com/t5/Desktop/How-to-lookup-values-in-another-table-in-the-Query-Editor/t... which produced:

[Islam]

Unfortunately that's not what i meant sir 

i have 2 tables 

one fact table with all employees transactions including secret report degree 

and another disconnected table with grade defined name ( fair - good - very good - excellent) and every grade have a range of lower and upper limit of grade 

what i want is add column in the fact table doing the following:

look up each single employee degree in the whole limits for each category  ( fair - good - very good - excellent) in the disconnected table and return the matching grade title into that added column in the fact table

[Islam]

Thanks for help sir but unfortunately it doesn't help coz i have a table with lower limit column and upper limit column for each category

[ChrisMendoza]

@Islam - You don't need min/max limits as you can see in my sample. The operator acts like the rules of min/max "organically". Try it with your existing data [Max] and see if it produces the results you intend.

[Islam]

Ok I'll apply this and see what happens and inform you about it

[TomMartens]

Hey @Islam,

please create a pbix that contains sample data but still reflects your data model. Upload the pbix to onedrive or dropbox and share the link. If you are using Excel to create the sample data and share xlsx as well.

Regards,

Tom

[Islam]

I'm using power query and power pivot for excel but np I'll upload a sample and provide you with the link