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How to get the value of a List Control Field?

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  • How to get the value of a List Control Field?

    I have a button in a UX component and a List with Detail View, on the button click event I created a sample on how to run or call a stored procedure, the code is from the alpha documentation, I embedded the code in the Text mode of the Click Event of the Button

    dim cn as sql::connection
    cn.open("{A5API='SQLServer', A5DBVersion=2008, Server='(local)', A5ANSINullPadWarn=Default, Trusted_connection=yes, Database='Northwind'}")
    dim args as sql::arguments
    args.add("cityName","Paris")
    cn.Execute("exec MyStoredProc @whatcity = :cityName",args)

    Notice that the argument value is hard coded( i dont know how to term it exactly) , I want the value to be coming from one of the Detail field on the List.
    How do I get the value of a List Control Field so I can put it as a dynamic argument?
    Last edited by JetLi; 05-05-2016, 06:06 AM.

  • #2
    Re: How to get the value of a List Control Field?

    {dialog.object}.getValue('list::NameOfList::FieldNameInList') is what I have used to get the selected value from a list.

    Comment


    • #3
      Re: How to get the value of a List Control Field?

      Originally posted by mwcdeh View Post
      {dialog.object}.getValue('list::NameOfList::FieldNameInList') is what I have used to get the selected value from a list.
      Hi, Thanks for the reply, I tried the code below and it has an error
      dim cn as sql::connection
      cn.open("{A5API='SQLServer',A5DBVersion=2014,Server='MYSERVER\SQLEXPRESS',A5ANSINullPadWarn=Default,Trusted_connection=yes,Database='MyDB'}")
      dim args as sql::arguments
      args.add("EmployeeId",{dialog.object}.getValue('list::EMPLOYEE::EmpId'))
      cn.Execute("exec MyStoredProc @whatcity = :EmployeeId",args)
      cn.close()

      Note: If I explicitly Identify the EmployeeId say "2" then the code runs correctly, I tried to embed your code but I am not sure if it is the way to do it

      Comment


      • #4
        Re: How to get the value of a List Control Field?

        Jetson, the code you've been given to access data from a List control is client-side code. It's a method you'd run in Javascript to get data from a control.

        Since your original post was all XBasic, a javascript only solution, without understanding the relationship between client and server side, isn't much help.

        There is a bucket of information missing from your post, but let's take a guess at a solution. You're executing an Ajax Callback. Let's assume the Detail View controls of your List control has data in it... that you've selected an item in your List, and the Detail View has populated.

        In your Ajax Callback XBasic function you have access to a ton of variables. One of these is e.dataSubmitted. You'll see, in the XBasic function heading you created... something like...

        function myXBasicFunction as c (e as p)

        e carries a lot of information.

        For each control in your Detail View (plus pretty much every other data control) e.dataSubmitted will have a property for that control.

        E.g. You're looking for EmpId. Your Detail View section will have a control... EmpId. So... you'll have access to e.dataSubmitted.EmpId.

        This means your argument setting will be... assuming you've checked that EmpId actually has a value you can use.

        Code:
        args.set("EmployeeId",e.dataSubmitted.EmpId)
        And... you want to use args.set... not args.add.

        Comment


        • #5
          Re: How to get the value of a List Control Field?

          Thanks David!

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