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Dynamic property for decimal places

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  • Dynamic property for decimal places

    I have a numeric table field that has been defined to have 5 decimal places. I'd like to use dynamic properties on a report to show a different number of decimal places, such as 2.

    I've tried many variations of using the Field "Dec" dynamic property, and no matter what I do, the field always shows 5 decimal places. I've set no other property. I've just dragged the field to a report and modified the "Dec" property.

    How do I use the dynamic property to change the field's display/report characteristics?

  • #2
    Re: Dynamic property for decimal places

    Bill,
    You could simply use a calculated field for this. Something like...

    round(your_field_name, 2)

    What are your "dynamic properties" ? If it is from say a variable that is set, just use a numeric variable for the number of decimals like...

    round(your_field_name, your_numeric_variable_name)

    There are ways to change the formatting of the actual field as well with xbasic I believe if that is what is wanted, but for various "views" of a field, using a calculated field is probably the easiest.

    Hopefully I guessed as to what you wanted......
    Mike
    __________________________________________
    It is only when we forget all our learning that we begin to know.
    It's not what you look at that matters, it's what you see.
    Henry David Thoreau
    __________________________________________



    Comment


    • #3
      Re: Dynamic property for decimal places

      Thanks for the suggestion, Mike. That doesn't quite work because a field or calculated value obeys the format, even after ROUND(). That is, if calcval = round(fieldname,2) has a format of 5 decimals, it will display 5 decimals.

      I just want to change the format, which is what I thought dynamic properties would do. If it won't, what is the role of a dynamic property for the Decimal?

      Comment


      • #4
        Re: Dynamic property for decimal places

        Bill

        When do you want to change the decimal representation to 2 from 5. Would it be based on something or do you just want it to show that way in the report everytime it is printed?

        You can change the format of the numeric field to 2 decimals from 5 when you report is in design mode, click on that field and select properties, then go to the format tab, at the bottom of that tabbed form you can then change the decimal from 5 to 2.

        Once you do that, everytime you run the report the number of decimals for that field would always be 2.

        Or are you talking about the new property grid (selected from tasklist, properties)?

        Just guessing as Mike already said.

        Tom Baker

        Comment


        • #5
          Re: Dynamic property for decimal places

          Thanks, Tom. For clarification, I've uploaded a composite image of what I'm doing/seeing. Top part is my setting of the property, as you guessed. Bottom part is the relevant section of the report.

          I want to dynamically change the # of decimals shown, not hard code it into a report as you described.

          My table field is set for 5 decimals. I set a global variable, vNumDecimals, and set its value to 2. That's shown on the report. I've set the dynamic property for "Dec" to my global variable, but the report still shows the 5 decimals of the field.

          Is there a reason why that shouldn't work?

          Comment


          • #6
            Re: Dynamic property for decimal places

            This is something I use (and like a lot) for a different purpose, but it should work here. In fact it seems Alpha's dynamic property might do something like this.

            Code:
            FUNCTION entry_format.num.sigd2c AS C (value AS N, width AS N, decimals AS N )
            'Description:Significant decimals only, 2 minimum, commas
            'maximum decimals is field definition.
            Dim significant_decimals as c
            Dim decimal_count as n
            
            'get display decimal count
            significant_decimals = word("" +round(value,decimals),2,".")
            decimal_count = len(significant_decimals)
            decimal_count = max(decimal_count,2)
            
            entry_format.num.sigd2c = alltrim(str(value,width,decimal_count,","))
            
            END FUNCTION
            After you add this function to your Code tab, a format option of "sigd2c" will be in the format list for numeric fields when you are in design mode, Properties, format tab.

            I use this particular function to display all significant decimals, with a minimum of 2, and with comma formatting. Change the function to do what you need, e.g. add a global variable with the decimal count. The last segment of the function name can be changed but is limited to 6 characters.

            Bill.

            Comment


            • #7
              Re: Dynamic property for decimal places

              Bill, that function is very helpful and it does perform the specific task at hand. Thanks.

              A big part of my question is getting dynamic properties to work, because it should be so easy to accomplish what your function does with them. Decimals aren't the only dynamic property I want to use.

              Any ideas why setting the dynamic property does not work?

              Comment


              • #8
                Re: Dynamic property for decimal places

                I'm still confused as to what dynamic properties are--is not in my version of QRB10 which is based upon Alpha v10. Sure looks like this is a property sheet of the webside...


                EDIT--I do see it now--just have not done much in v10 yet as QRB10 is not quite ready for showtime yet!! :)
                Mike
                __________________________________________
                It is only when we forget all our learning that we begin to know.
                It's not what you look at that matters, it's what you see.
                Henry David Thoreau
                __________________________________________



                Comment


                • #9
                  Re: Dynamic property for decimal places

                  Yes, dynamic properties are a big feature of Alpha v10. It's certainly not in QRB 9.

                  Comment


                  • #10
                    Re: Dynamic property for decimal places

                    Bill,
                    I cannot get it to work either---I will check into it a bit further......
                    Mike
                    __________________________________________
                    It is only when we forget all our learning that we begin to know.
                    It's not what you look at that matters, it's what you see.
                    Henry David Thoreau
                    __________________________________________



                    Comment


                    • #11
                      Re: Dynamic property for decimal places

                      Well,
                      I can change it with Object Explorer.....but guess it is another property listed like that that cannot be changed.....could be by design as all of the prior inabilities have been determined to be...or just slipped by. Cannot change via relative/explicit code via Object Explorer syntax or with the Dynamic property as you tried.

                      I would report it to see if it is something that Alpha is planning on having as a feature--I agree it would be nice to be able to set any property easily like you are wanting. I cannot report it as I only have QRB10 currently, not full version Alpha10.
                      Mike
                      __________________________________________
                      It is only when we forget all our learning that we begin to know.
                      It's not what you look at that matters, it's what you see.
                      Henry David Thoreau
                      __________________________________________



                      Comment


                      • #12
                        Re: Dynamic property for decimal places

                        Thanks, Mike.

                        One unrelated twist I came across when using the dynamic "align" property: if you dynamically set "right" alignment for a calculated value that is conditionally displaying 1 of several values, which could be text or a number, Alpha allows setting an ellipsis, which, if set to "end ellipsis", breaks the right alignment of the number.

                        If you use dynamic properties to allow you to conditionally display fields because now you can format them, you can end up with the ability to make settings that don't work together.

                        Comment


                        • #13
                          Re: Dynamic property for decimal places

                          Definitely something to remember if/when this feature can be used....but no different really than other aspects of developing where a conflict can be created....even users can cause such say when allowed to filter on everything.
                          Mike
                          __________________________________________
                          It is only when we forget all our learning that we begin to know.
                          It's not what you look at that matters, it's what you see.
                          Henry David Thoreau
                          __________________________________________



                          Comment


                          • #14
                            Re: Dynamic property for decimal places

                            This is still not working and would like to know how to properly set up the code that was indicated, i placed it in the code tab in control panel but still not seeing that option appear in the format list.

                            Comment


                            • #15
                              Re: Dynamic property for decimal places

                              Did you try?
                              right click on the field in the report - properties - format and change it to show 2 decimals. It will auto round for you there.

                              If you need your own special rounding, create a calc field in the report and then place the calc field in place of the questioned field on the report.
                              Dave Mason
                              dave@aldadesktop.com
                              Skype is dave.mason46

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