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Resolved Need help with a datawindow expression
  1. How-to
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  1. François Rossignol
  2. PowerBuilder
  3. Wednesday, 11 March 2020 02:27 PM UTC

Hi

I need help figuring out the correct expression (if at all possible) for the following case.

 

I have a datawindow

Each row have:

column1 which will have A B C or D as value

column2 a decimal value

 

In the header I want a compute to display a value depending and the column1 of the first line which I can do by testing first(column1 for all)

Now this is where it gets tricky

if column1 = "A" or "B" then column2 from row 1

if column2 = "C" then column2 from the first line where column1 is either "A" or "B"

if column2 = "D" then 0

 

I can't figure out the "then" part of the = "C" part.

 

I know I can do it without a compute with some code but I'd really like to have everything inside the DW in this case.

 

We're using PB 2017 R3

 

Thanks in advance for any usefull tip.

 

Regards

Update and Retrieve images in datawindow using MSSQL SharedObjectRegister Error
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