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Grid Builder filter value

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    Grid Builder filter value

    what formula do you use in the Grid Builder Filter to set a Field value equal to a session variable?

    Its not: Customer=Var-"user_name, because that is the wrong "session" variable. I need the internet session var as in: "? session.user_name". Obviously I would use this to restrict the grid results to those matching whoever logged in.
    Steve Wood
    See my profile on IADN


    #2
    RE: Grid Builder filter value

    Steve

    If you fire up the web application demo within v6 there is a page that shows how the login features should be used.

    Regards

    Glen Schild
    Glen Schild



    My Blog

    Comment


      #3
      RE: Grid Builder filter value

      I have the login function down pat, I'm talking about something different. That I see, the demo does not show how to use a session variable to filter a grid.
      Steve Wood
      See my profile on IADN

      Comment


        #4
        RE: Grid Builder filter value

        My apologies

        In which case I do not have the answer

        Regards

        Glen
        Glen Schild



        My Blog

        Comment


          #5
          RE: Grid Builder filter value

          Steve

          When you build the component, set a filter expression and check out the xbasic tab. You will see how the filter is build within the component. It may be something like this for a dbf file

          tmpl.DBF.filter = "Customer_ID = 10"

          Now place the comopnent on a page. When it is placed on a page, the point name will probably change to tmpl + the component name. Now you can get the filter - or change it with this value if the component is named "custlist"

          tmpl_custlist.DBF.filter

          You will see the actual pointer name on the page after the component is placed there. If you want to save it in a session variable named "filterexp", this line placed after the code that loads the component on the page will save it

          session.filerexp = tmpl_custlist.DBF.filter

          This will change the filter expression

          tmpl_custlist.DBF.filter = "cusotmer_id = 20"

          You can also take the expression part and modify it like any expression to use a variable. This variable can be froma session variable.

          Jerry

          Comment


            #6
            RE: Grid Builder filter value

            Jerry;

            Not quite following this. Indeed, if I go to the top of the A5W page that holds the Grid component, and modify it as (1) below I get a Grid that displays records for Customer=MYCUST. If I change the code to (2) below, or several variations I tried, I get the Grid error "Error 4 - not an open index".

            (1)
            "%a5
            Delete Tmpl
            DIM Tmpl as P
            tmpl = a5w_load_component("Tracking")
            tmpl.DBF.filter = "Customer=\"MYCUST\""
            'Following code allows...

            (2)
            "%a5
            Delete Tmpl
            DIM Tmpl as P
            tmpl = a5w_load_component("Tracking")
            tmpl.DBF.filter = "Customer=session.user_name"
            'Following code allows...
            Steve Wood
            See my profile on IADN

            Comment


              #7
              RE: Grid Builder filter value

              Steve

              Probably the best method to show this is with an example. Attached is a zip file with 2 components and 2 web pages. They took about 15 minutes to build using the Alpha Sports sample database.

              1. Open A5V6 and open the Alpha Sports database.
              2. Create a new webproject.
              3. Unzip the file into the new projects folder. For example, if you named the project "demo", the folder would be under the AlphaSports folder in

              \Alphasports.WebProjects\demo.WebProject

              4. Start the WAS.
              5. Run the page "Customers.a5w" You will see the one field is actually a link field named "Get Invoices".
              6. Select a customer and click on the link
              7. This will open the CustInvoices page. Note that the link address will have values for "ID" and "Lname" in the address.

              The code on the page "CustInvoices" takes the value in ID, if it exists, and converts it to a session variable named session.custid. The filter is then changed to take this value in an expression to get the right invoices.

              The code also passes the customer name so it can appear on the invoice list page.

              Jerry

              Comment


                #8
                RE: Grid Builder filter value

                OK, got it. Thanks Jerry!

                So the mandatory piece of code is:

                tmpl.DBF.filter = "Customer = \""+session.user_name + chr(34)

                And it goes in every .a5w source that calls a grid that I want to filter.

                When I get past my inability to access the server from remote (my other recent forum question), I'll share the URL to my WAS application.
                Steve Wood
                See my profile on IADN

                Comment

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