Water Level for BH sticks out of the monitoring record table.

Hi

I am writing an IF statement to extract  max and min of the water depth from the monitoring record table.The monitoring table have some other gas monitoring related data however I am interested in filtering it by WDEP (water related monitoring) type record.  I have written following line in the "depth expression" of discrete graphics Vs depth item.

<<IIf(_
  (<<MOND.MOND_TYPE>>= "WDEP"),<<Min(<<MOND.MOND_RDNG>>)>>_
  )>>

I have similar expression for maximum water in another discrete graphics Vs depth item.

Please can you guide me what is problem with above statement or this is not correct way to achieve my objective?

Thanks

Parents Reply
  • There are several problems i"m noticing when I do an example.

    1) Plase put a brackets for the following line;

      SELECT MIN ([MONG].[MONG_TRZ]) _

    2) Do you have <<POINT.POINTID>> field in your project? If not, use the following:

    <<Sql( _
      SELECT MIN ([MONG].[MONG_TRZ]) _
      From [MONG] _
      Where [MONG].[PIPE_REF] IN ("01", "MP1", "Pipe 1", "", "-") _
      )>>

    3) While using "SELECT MIN", having a null value ("") in the list will result an error. To overcome this use a negative argument as you have only two sets of data.

    <<Sql( _
      SELECT MIN ([MONG].[MONG_TRZ]) _
      From [MONG] _
      Where [MONG].[PointID] = '<<PointID>>' _
      AND [MONG].[PIPE_REF] NOT IN ("02", "MP2", "Pipe 2") _
      )>>

    Answer Verified By: Javied Iqbal 

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