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Finding property values w/xbasic

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    Finding property values w/xbasic

    I am trying, mostly for my own knowledge, to find the property values for a variables name, type (numeric, character, etc), and the table name for the variable.
    I am trying to do it in the variables CanArrive event.

    I can get it's name with [v_name = this.object.name], but
    got nowhere with the others.

    Does anyone have a clue ?

    Thanks
    Lowell

    #2
    RE: Finding property values w/xbasic

    Hi Lowell,

    >>to find the property values for a variables name, type (numeric, character, etc), and the table name for the variable.
    I am trying to do it in the variables CanArrive event.

    Comment


      #3
      RE: Finding property values w/xbasic

      Jim - thanks for the reply

      On a field, the [v=this.this] does not seem to work for me.
      Gets an error, not a valid property of the item.
      Tried with "v" dimensioned as both "p" and "c", neither worked.

      I have suceeded in getting the table and field name,
      but don't seem to find anything that gives me the type -
      object.type returns "V", evidently for "variable" - I allready know this. I want to know the variable type - character, number, date,etc. "type" is obviously not what is needed.

      I am trying to build a string to pass to "query.filter", and since it will require quotes for chr type, and { for date,etc;, I need to be able to determine the variable type.

      Any other ideas would be appreciated

      Lowello

      Comment


        #4
        RE: Finding property values w/xbasic

        Hi Jim,

        Could you explain the function of
        this.refresh()
        at the end.

        Bill
        Bill Hanigsberg

        Comment


          #5
          RE: Finding property values w/xbasic

          EURAKA !! - I found it. (ok, so it's redundant)

          I'ts an intrinsic function "typeof".

          syntax is "text = typeof(file->field_name)"

          Returns C,N,L or D

          Thanks for your help

          Lowell

          Comment


            #6
            RE: Finding property values w/xbasic

            Hi William,

            How's canada?

            >>Could you explain the function of
            this.refresh()
            at the end.

            Comment


              #7
              RE: Finding property values w/xbasic

              Thank you, Jim. I wondered whether there was something more subtle I wasn't understanding (a common occurence).

              As for Canada, the ice may be getting soft but as Stan Mathews has noted, Victoria Day always provides expatriot Brits and other anglophiles with numerous opportunities for High Tea.

              All the best,
              Bill
              Bill Hanigsberg

              Comment


                #8
                RE: Finding property values w/xbasic

                Here's another way from one of the Help files or documents. I hope it comes out OK - this is the first time I've tried using Netscape Composer to build an HTML file to display here.

                "fld>.Type_get()

                Syntax:
                Field Type String = "Fld>.type_get(), or
                Field Type String = "Tbl>.Fieldname.type_get()
                Description:
                Returns the field type of a field referenced by the object pointer,
                "Fld>. The result is a Field Type String containing a single-character
                code representing one of the following field types:



                Field Type

                Type Code

                Valid Parameters



                Character

                "C"

                Fieldname, Field Type, Width



                Numeric

                "N"

                Fieldname, Field Type, Width [, Decimal Width]



                Date

                "D"

                Fieldname, Field Type



                Logical

                "L"

                Fieldname, Field Type



                Memo

                "M"

                Fieldname, Field Type



                Rich text memo

                "R"

                Fieldname, Field Type



                Bitmap

                "B"

                Fieldname, Field Type



                OLE

                "O"

                Fieldname, Field Type



                You can use the "fld>.type_get() method together with the
                "fld>.value_get() method when obtaining a field value.

                Comment

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