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Passing variable question

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  • Passing variable question

    Sorry Iím new to Alpha 5 and normally can find my answers via this forum. My question is I have a web application that looks up via a search, a patient number and then fills in all the data for that page. What I need to do is then click on a hyperlink and go to another page with more information about that same patient. I need to do this because it takes so long to load all the pages in a web app. If I break up the pages by passing the patient number from screen to screen it is a lot faster. What code do I need and where do I put it on the first page and second? Thank you so much for your help.
    Reed Brown
    ITOT Solutions, Inc.
    Alpha v12

  • #2
    Re: Passing variable question

    You want to learn about session variables. Plenty of info in the help files and on this board. You may possibly be interested in cookies, too.

    And, welcome!
    -Steve
    sigpic

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    • #3
      Re: Passing variable question

      Thank you but I have not found what I'm looking for yet. It is above my head when they explain it. I would just like a down and dirty code to handle it. An exp. would be very helpful.
      Reed Brown
      ITOT Solutions, Inc.
      Alpha v12

      Comment


      • #4
        Re: Passing variable question

        You'll find plenty of examples here. And if you don't understand it, yet you're implementing a web site, you should take the time to understand it. While I and many others are more than willing to help, we also expect that you'll do your best to help yourself and not just ask for free coding help.

        If there's something about session variables or cookies you don't understand, please ask away.
        -Steve
        sigpic

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        • #5
          Re: Passing variable question

          This is actually pretty easy to do, but there are many ways. It would be helpful if you would give more info as to waht you have done. For example, are you using a grid or a dialog?

          I will assume you are using a grid. Even here, there are many ways to go about it. But I will give you one way.

          Edit the grid. In the tree to the left, click on Query. From there, define a calculated field (click the Calculated fields button). Create a calc field called say "page 2" and make it equal to the patient number. For example, if your patient number is called pnumber, then you could define a calc field as follows:

          page2=pnumber

          Now, click on the FIelds link in the tree, and in the available fields list, scroll towards the bottom to find the calc field we just created. Add that to te slected fields list ny double clicking it. Now, you calc field is in the slected fields list. Highlight it by clicking it once. Change the control type to "Link" - t started out as "text box" - change it to Link. When you do that, fields will ppear to allow you to define Link Proiperties. Here is where you will link to to your second page. In the Display what in link? field, choose static text. Call it say "Page 2" in the static text field. In the Link address type field, selected "computed from fields in the grid". The last step is defining the next field, Link address. Click in the field, then click on the icon to the right. A window open allowing you to pich which page to link to, plus other options. WHen you do all of this, you will have ctreated a link to page 2.

          This sounds a lot more difficult than it really is, but I have given you enough to get started. Good luck!

          Gary
          Gary S. Traub, Ph.D.

          Comment


          • #6
            Re: Passing variable question

            I have not tried this yet but thank you so much for your help. I will let you know the out come.
            Reed Brown
            ITOT Solutions, Inc.
            Alpha v12

            Comment


            • #7
              Re: Passing variable question

              Ok just tried what you said and it does not pass anything to the second page. Of course the second page opens but the variable does not show up????
              Reed Brown
              ITOT Solutions, Inc.
              Alpha v12

              Comment


              • #8
                Re: Passing variable question

                For anyone to help, you have to describe in detail what you did, and what the outcome was. What did you do to test if the variable did or did not get passed (how do you know it did not "show up")? Show the exact calculated field expression and describe how you know the expression should assign a value, etc.
                Steve Wood
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                • #9
                  Re: Passing variable question

                  I'm so sorry I did get it to work. Thank you so much for your help. this has helped a lot.
                  Reed Brown
                  ITOT Solutions, Inc.
                  Alpha v12

                  Comment

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