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Getting the current value of a drop-down component on a UX

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  • Getting the current value of a drop-down component on a UX

    Here is what I am trying to do:

    In the OnChange Event of a drop-down box, I need to get the current value of the component

    Use that value as a variable in a SQL Query that returns two new values

    Update two different text box controls on the UX with the two values returned by the SQL Query

    Here is what I have so far:


    var DeedID = {dialog.Object}.getValue('DeedId');

    {dialog.object}.setValue('DeedId2',+ DeedID);

    /* serversidexbasic */


    function serverside_bce157aa34934047b1aee1cfbc884f1d as c (e as p)


    DIM DeedID AS N
    DeedID = e.dataSubmitted.DeedID2

    DIM cn AS SQL::Connection
    DIM rs AS SQL::ResultSet
    DIM arg AS SQL::Arguments
    DIM js AS C
    DIM qry AS C
    DIM flag as L

    flag = cn.Open("::Name::RMSConnection")
    if flag = .f. then
    js = "alert('Error Connecting to Database);"
    e.javascript = js
    Exit function
    end if

    qry = "SELECT RMS_Members.MemberID, RMS_Members.FullName FROM RMS_Members WHERE RMS_Members.DeedID = :DeedID "

    arg.Set("DeedID", DeedID)

    flag = cn.Execute(qry,arg)
    if flag = .f. then
    js = "alert('Error executing query');"
    e.javascript = js
    exit function
    end if

    rs = cn.ResultSet
    DIM MemberID AS C
    MemberID = rs.Data(1)
    MemberID = "{dialog.object}.setValue(MemberID','"+ MemberID+"');"

    DIM FullName AS C
    FullName = rs.Data(2)
    FullName = "{dialog.object}.setValue(Payer','"+ FullName+"');"

    serverside_bce157aa34934047b1aee1cfbc884f1d = "{dialog.object}.setValue(MemberID','"+ MemberID+"'); {dialog.object}.setValue(Payer','"+ FullName+"');"


    end function

    When I run this in Live Preview I get 'e' is undefined script error.

    What am I doing wrong?

  • #2
    Re: Getting the current value of a drop-down component on a UX

    In this case, you are making an ajax callback, not using an event.

    The end result of that function returns javascript. You don't run javascript by setting the e. value, you run javascript by returning it as the function value.

    So, replace all of your e.javascript = js with functionname = js and you should be good to go.


    • #3
      Re: Getting the current value of a drop-down component on a UX

      Let's clean this up a bit...

      DropdownBox control, onChange event Javascript...

      You don't need to get and set and DeedId values here... the value of the DropdownBox control is sent through to e.dataSubmitted.
      Your Ajax Callback was a little involved. If you start using the word "Grid" anywhere... you'll know it can be done cleaner.

      And here's the function "getMemberInfo"...

      function getMemberInfo as c (e as p)
      dim DeedID AS N
      DeedID = e.dataSubmitted.DeedID
      dim cn AS SQL::Connection
      dim rs AS SQL::ResultSet
      dim arg AS SQL::Arguments
      dim js AS C
      dim qry AS C
      dim flag as L
      flag = cn.Open("::Name::RMSConnection")
      if flag = .f. then
      	js = "alert('Error Connecting to Database);"
      	getMemberInfo = js
      	exit function
      end if	
      qry = "SELECT RMS_Members.MemberID, RMS_Members.FullName FROM RMS_Members WHERE RMS_Members.DeedID = :DeedID "
      arg.set("DeedID", DeedID)
      flag = cn.Execute(qry,arg)
      if flag = .f. then
      js = "alert('Error executing query');"
      	getMemberInfo = js
      	exit function
      end if
      rs = cn.ResultSet
      dim MemberID AS C
      dim FullName AS C
      MemberID = rs.Data(1)
      FullName = rs.Data(2)
      getMemberInfo = "{dialog.object}.setValue('MemberID','" + MemberID + "');{dialog.object}.setValue('Payer','" + FullName +"');"
      end function
      You always return Javascript to the Xbasic function name.
      Your returning setValue() methods had some errors as well.
      Last edited by Davidk; 02-28-2017, 10:21 AM.


      • #4
        Re: Getting the current value of a drop-down component on a UX

        You are amazing! That worked perfectly! Thank you so much!