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List Control selected record's primary key - Insert New Record to other table.

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  • List Control selected record's primary key - Insert New Record to other table.

    Hi,

    I'm very new to Alpha and programming for that matter. Tried to get started two other times since 2005 but now it might stick as I am home quite a bit after a car accident.
    I'm currently an IT manager and I do have some basic knowledge of VB, Powershel, MS Access and SQL.
    I'm playing around with some data and following some of the videos I've seen but I've come across a stumbling block.

    First of all I have two tables in SQL (express). Customer and Booking. Both tables have auto-increment Primary Key fields.

    I have a UX with a List Control displaying the data from the Customer table. On the list control I have a button called "New Booking".

    The goal of the New Booking button is to take the PrimaryKey from the selected row of the list control, add a new record to the Booking table with the Customer PrimaryKey and then return the new PrimaryKey from the Booking table.

    Second goal is to open up a new UX for the new Booking with the Customer Name and allow the user to enter in the Date and Time of the booking.

    I have created an AJAX Callback on the New Booking button and assumed that if I checked "Submit Data from List Controls" I would get the data from the selected record in JSON. That doesn't seem to be the case as I've used the Xbasic debugger and there is nothing in there.

    Suggestions, help, guidance or a slap in the head would be greatly appreciated.

    Thanks
    Rob

  • #2
    Rob,
    You are on track, but I would submit the data from the selected record in the callback (in blue) so it gets passed into Xbasic. Here's an example of that:

    var lObj = {Dialog.object}.getControl('list1');
    var _d = lObj._data;
    var len = _d.length;
    var arr = [];
    for (i=0;i<len;i++){
    arr.push(_d[i].Id);
    }
    {dialog.Object}.ajaxCallback('','','updateCustomerNumber','', "_idList="+arr);
    While this may seem overwhelming, what it is doing is going through the list and getting the ID numbers, putting them into an array, then sending that array to the Xbasic AJAX callback.
    The array is available in the Xbasic function as e._idList

    Using this method, you can send the appropriate value(s) to a stored procedure which creates the record in the Booking table, and returns the new Primary Key from the Booking table.

    The Primary key that is returned can then be placed in a new UX (or better yet, a different PanelCard on the same UX) with the info you want. Hope that helps.
    Jay
    Jay Talbott
    Lexington, KY

    Comment


    • #3
      Thanks so much for the response Jay. Yes a little overwhelming indeed. I was doing quite a bit between documentation, videos, old forum questions and google until now.

      So if I understand this correctly your code goes behind the button on the record on this list control.

      Now the last line
      {dialog.object}.ajaxCallback(",",'updateCustomerNumber',","_idList="+arr);
      I assume this takes the place of the Action Javascript for the Ajax Callback?

      As far as the stored procedure... am I better off using that then creating the Insert Record in Xbasic?

      Oh and also.... 'updateCustomerNumber' is my Xbasic function?

      Rob

      Last edited by rgibson; 09-13-2020, 01:43 PM.

      Comment


      • #4
        Rob,
        Technically, this :
        {dialog.object}.ajaxCallback(",",'updateCustomerNumber',","_idList="+arr);
        is the AJAX callback, just in javascript form. (If you were to take your action javascript and convert it to text, this is pretty much what you would see, with a little more text added.)
        You can insert the record either way, Xbasic or a Stored Procedure. Xbasic has a function to get the last autoincrement number from a table. Here's one way to do it:

        https://documentation.alphasoftware....nt%20Field.xml

        In place of the array in my first example, you will want to replace the array with the primary key of the customer table.

        Let us know how you make out.
        Jay
        Jay Talbott
        Lexington, KY

        Comment


        • #5
          I don't understand what you are doing, is this the scenario - you have say a Hotel on your books and someone wants to book accommodation, you want to click on the Hotel in the List Control (select the Hotel). Then enter the new booking details in the say bookings calendar in another List Control, for the selected Hotel, is that right?
          Insanity: doing the same thing over and over again and expecting different results.
          Albert Einstein, (attributed)
          US (German-born) physicist (1879 - 1955)

          Comment


          • #6
            Hi Pete, that's for the reply. I have benefited from some of your replies to other questions.

            The full explanation...

            This is a boarding kennel my wife owns on our property. Here usual booking process is... she searches her list of customers' owners, picks the right one then picks the animals names (usually they are all coming but occasionally not). Then fills out the details like In and Out Date, pickup and drop off time, if one or more will be getting bath and nails done while they're here, if any of them need extra walks, etc.

            Any suggestions are welcome. As I've stated I'm new to this.

            Thanks
            Rob

            Comment


            • #7
              Gee the dogs get it good, I don't think I've ever had that stuff done. Anyhow I'll look at it and get back to you - its not an issue.
              Pete
              Insanity: doing the same thing over and over again and expecting different results.
              Albert Einstein, (attributed)
              US (German-born) physicist (1879 - 1955)

              Comment


              • #8
                Originally posted by peteconway View Post
                Gee the dogs get it good, I don't think I've ever had that stuff done. Anyhow I'll look at it and get back to you - its not an issue.
                Pete
                We have a dog kennel out our way that has televisions in each room playing all day. It's crazy what some people will spend on their dogs.

                Comment


                • #9
                  Insanity: doing the same thing over and over again and expecting different results.
                  Albert Einstein, (attributed)
                  US (German-born) physicist (1879 - 1955)

                  Comment


                  • #10
                    Well I got the first part done and I'm pretty happy.

                    First the AJAX Callback

                    [QUOTE]{dialog.object}.ajaxCallback('','','createNewBoard','', "_currentID="+currentID);/QUOTE]


                    Then the Xbasic.

                    2020-09-14_23-02-45.png


                    Learned a lot from this and feeling pretty accomplished.

                    Pete, if you have another way of doing this please let me know. I'll keep playing with this for now.
                    Attached Files

                    Comment


                    • #11
                      Nice work. Thanks for sharing.
                      Al Buchholz
                      Bookwood Systems, LTD
                      Weekly QReportBuilder Webinars Thursday 1 pm CST

                      Occam's Razor - KISS
                      Normalize till it hurts - De-normalize till it works.
                      Advice offered and questions asked in the spirit of learning how to fish is better than someone giving you a fish.
                      When we triage a problem it is much easier to read sample systems than to read a mind.
                      "Make it as simple as possible, but not simpler."
                      Albert Einstein

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