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Video : Passing Javascript variables to child windows

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  • Video : Passing Javascript variables to child windows

    Here's a new instructional video that shows how to pass Javascript variables from a parent grid to it's children.

    Here we are passing information from a read only parent grid to a linked grid with a detail view.

    Inspired by a question from Pat Bremkamp.
    Bob Moore

  • #2
    Re: Video : Passing Javascript variables to child windows

    nice, thanks Bob


    • #3
      Re: Video : Passing Javascript variables to child windows


      Thanks, that's a great technique to pass human readable info to the pop-up window. I've implemented it and was able to eliminate using a view, hidden fields and a freeform edit just to carry this info forward. I'm sure I will use it often.

      It's a great example of using the "right tool for the job".

      Pat Bremkamp
      MindKicks Consulting


      • #4
        Re: Video : Passing Javascript variables to child windows


        Remember, you can also popluate fields in a child grid with this technique if you want.

        //Set LNAME field to Javascript var parent.v_lname
        Bob Moore


        • #5
          Re: Video : Passing Javascript variables to child windows

          AlphaBase Solutions, LLC


          • #6
            Re: Video : Passing Javascript variables to child windows


            Why don't you consider putting together some Alpha V10 ajax / javascript course material. Explaining the concepts, basics, examples right through the advanced stuff. Via Jing or otherwise.

            I'm sure a lot would be willing to pay reasonably for getting some of the insights you already seem to have with the new V10 ajax / javascript possibilities.

            Otherwise: Keep up the great entries! Very refreshing.

            Thanks, Ron


            • #7
              Re: Video : Passing Javascript variables to child windows

              I'm thinking of doing something like :


              for some more detailed stuff

              and something like:


              for the quick 4 to 5 minute videos.

              These are a few of my favorite instructional sites.
              Bob Moore


              • #8
                Re: Video : Passing Javascript variables to child windows

                Actually I was hoping on more Alpha V10 experience related...


                • #9
                  Re: Video : Passing Javascript variables to child windows

                  I was primarily referring to the format they use.

                  I suppose the subjects could include a wide variety of topics relating to Alpha V10. Some that come to mind are:
                  • Javascript techniques/tips
                  • Javascript library integration
                  • SQL, stored procedures, triggers, etc.
                  • XBasic techniques/tips
                  • Mashups
                  • Flash/Flex Integration
                  • CSS techniques/tips
                  • HTML techniques/tips
                  • Reporting techniques/tips

                  Geez .. when you list it out, there really is a LOT to learn and believe me I NEVER stop learning!
                  Bob Moore


                  • #10
                    Re: Video : Passing Javascript variables to child windows

                    Is there a way to put the contents of a passed in javascript variable into an A5 session variable?


                    • #11
                      Re: Video : Passing Javascript variables to child windows

                      I got frustrated on taking your example and trying to use it to place the variable value in a field (in an add only child grid). I am assuming this goes in the child's grid ongridrender event. Is their additional code needed? Am I putting the code in the right place?

                      //Set LNAME field to Javascript var parent.v_lname

                      If you could finish your example, by showing how to fill in a field in the child grid with the value of the variable it would be appreciated.


                      • #12
                        Re: Video : Passing Javascript variables to child windows

                        Dave helped me out with the code below that grabs the variable created in Bob's video and flings it into a the name field which is based on a dummy field in the table.

                        Dave put the example in a simple database, it is posted with the rest of the story at

                        This is for an add only grid and is placed in the ongridrendor javascript system event. (Found in grid properties).
                        The first line that begins with // is a comment showing an alternate way of doing the same thing.

                        //$('TABLE_ORDER_VUPH.V.R-1.DUMMY').value = parent.v_name;
                        $('{grid.componentName}.V.R-1.DUMMY').value = parent.v_name;


                        • #13
                          Re: Video : Passing Javascript variables to child windows

                          I am trying to use this same method to set a session variable in a grid javascript - row event. The grid is read-only and I am trying to set the session variable every time a row is selected. (I have an action button for uploading files in a linked grid that needs this value)

                          session.clitdaent_id = {grid.Object}.getValue('G','ITEM_ID',{Grid.RowNumber});
                          It does not seem to set the session variable.


                          • #14
                            Re: Video : Passing Javascript variables to child windows

                            Session variables run on the server and not in your browser. If you want to set one the easiest way is to do an ajax callback and set the session variable using xBasic.


                            • #15
                              Re: Video : Passing Javascript variables to child windows

                              Can you point me in the right direction?