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SQL and subreports

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  • SQL and subreports

    How to create a subreport for Web using SQL access ?.
    We have an existing report using a a5 set and passive link tables based upon sample database AdventureWorksLT tables SalesOrderHeader and SalesOrderDetail. This works in desktop.
    Have tried using <SQL Data Source> datasource and SQL view but records output differ.
    https://appsbydesign.co.uk/

  • #2
    Re: SQL and subreports

    Colin

    Is it possible you can stick with the report you designed for the desktop and open it via a web dialog component? I dont have access to my PC at present, but I know that I have run desktop reports from within web pages

    I think from memory you need to create a dialog component, then use a blurb field. Within the properties of the blurb field, if you go down to after validate I think there is a report genie function. You can select the report you want to load. You need to make some cosmetic changes to the button etc, but that is essentially the bulk of it

    Cheers

    Jason

    Comment


    • #3
      Re: SQL and subreports

      Thanks for the response Jason.
      We can create standard web reports. The problem we have is we need to use the subreport feature with an sql datasource but the subreport only seems to work with a set.
      https://appsbydesign.co.uk/

      Comment


      • #4
        Re: SQL and subreports

        the subreport only seems to work with a set.

        Seeing that the defintion of a sub report is

        A sub-report is an entire report that is placed in the Detail area of another report. Its main purpose is to display data from tables linked in a set using one-to-many links at the same level.
        Your findings would seem logical.
        There can be only one.

        Comment


        • #5
          Re: SQL and subreports

          Hi Colin

          Do you have Crystal Reports? I'm sure I read somewhere that you could insert a crystal reporting object into alpha web pages??? Crystal works well with SQL and definitely accommodates sub reporting.

          Cheers

          Jason

          Comment


          • #6
            Re: SQL and subreports

            Originally posted by ChristJC View Post
            Do you have Crystal Reports?
            Jason
            Yes we do have Crystal reports although I have not tried that as CR server licensing costs are much higher than a5.
            My understanding is we can create a set using passive link or active link tables however other forum messages indicate we should be using reports via SQL data source for efficiency on web. Also not sure that passive link would be suitable with web where multiple users could request a report simultaneously.
            https://appsbydesign.co.uk/

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            • #7
              Re: SQL and subreports

              Hi Colin

              Mmm not surprising, we have a corporate licence for Crystal but it aint cheap from what I understand. I cant think of a solution at the moment that may help, but I'll rack my brain and try and come up with something. I was thinking you could create two separate reports and link them via a hyperlink / drilldown as you would in a desktop system, but I doubt that would work from a browser.

              I dont suppose you can build 2 SQL views from within Alpha and link them? I havent gone down that path yet, but I wonder if its possible? Could you pull those 2 views into the sql query builder and link?

              Cheers

              Jason

              Comment


              • #8
                Re: SQL and subreports

                I am having the same problem trying to use different SQL views, joins, etc to create sub reports with no success of having the data display correctly in the sub reports.

                If I create active links and then create sets on those links, it works just fine, as Stan pointed out. I am concern about the additional overhead that active links may create - I really don't know how much of a performance hit it will cost but it does work well in creating complex reports this way.

                I would love to know if there is a better way around using active links and/or if this will cause a performance hit down the road as the database and users grow.

                Comment


                • #9
                  Re: SQL and subreports

                  Are the reports regular everyday type reports or are they more adhoc type reports? I was just thinking if you didnt want to insert a crystal reporting object into Alpha and had to stick with the active link tables, and the reports were standard in format and didnt need parameter input from the end user, could the reports be run overnight when users arent accessing the system and then be exported into pdf? Then when users log back into the system, they can access the reports via a hyperlink rather than multiple users hitting the active tables to run the report multiple times?

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