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Help with expresion

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    #1

    Help with expresion

    I have a memo field where the last 8 characters entered is a date. I would like to update a date field that date.

    Thanks Josh
    Tags: None
    #2
    Re: Help with expresion

    Hi Josh,

    Is this memo field only going to be used once? You could have your Date field set to calculated and the value = Date(). This will always give you todays date each time the record is updated.
    Regards
    Keith Hubert
    Alpha Guild Member
    London.
    KHDB Management Systems
    Skype = keith.hubert


    For your day-to-day Needs, you Need an Alpha Database!

    Comment

      #3
      Re: Help with expresion

      The memo field has to remain. This is a one time update only. I may not have explained my self clearly. The memo field contains other information but the last 8 characters that are in the memo field happen to be a date string. I need to take that date string and put it in to a regular date field. The memo field will remain as is.

      Comment

        #4
        Re: Help with expresion

        Josh, exactly when would that date be entered into the memo field and how are you going to guarantee that it will be there?
        Regards
        Keith Hubert
        Alpha Guild Member
        London.
        KHDB Management Systems
        Skype = keith.hubert


        For your day-to-day Needs, you Need an Alpha Database!

        Comment

          #5
          Re: Help with expresion

          The dates are already there. This is from an application I have exported from access and am converting to A5.

          Comment

            #6
            Re: Help with expresion

            I sort of figured out how to do it with the right() function but it turns out I was mistaken and need to pull out the date from the middle of the memo field not the end of it.

            Comment

              #7
              Re: Help with expresion

              Character Extraction Functions
              http://support.alphasoftware.com/alp..._Functions.htm

              IsDate()
              http://support.alphasoftware.com/alp...DATE%28%29.htm

              CToD()
              http://support.alphasoftware.com/alp...CTOD%28%29.htm

              I have provided some links to the help file that should get you beyond the point you are at now. Extracting data from a string is where the string is not a standardized format (i.e. all of the dates are not at the end) can be an extreme pain. Typically I will write an Select Case expression to handle these. I use the "case else" to prompt me when I have encountered an format that was unexpected. Research the unexpected format, edit the select case to handle it and test again. You will know your done coding when the script runs with out ever executing the "Case Else" statements.

              Good Luck.
              Andrew

              Comment

                #8
                Re: Help with expresion

                Thanks for the info.
                I was lucky. In my case it ending up being the first10 characters of the memo field. So this simple expression did it. ctod(left(STATUS_NOTES,10))

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