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V12 Grid component

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    V12 Grid component

    Hi All

    I have a grid component which has been running fine in v10.5 and v11, I now have v12 and my component runs but I seem to get a "mixed bag" of results from a drop down control on the component. As mentioned this all worked fine prior to v12..

    My app is multi tenated so I am querying my "main" database to fetch back a list of available options that pertain to the current logged in user.., On my grid initialise I have the following a5 code

    'session.cu = a5ws_getcurrentuser()

    dim cu as c

    session.cu = e.rv.session.emailaddress

    'Open main SQL DB and retreive branch key and agency id for branch selection screen
    dim cn as sql::connection

    connection = "::name::TravelcloudSQL"

    if cn.open(connection)

    dim args as sql::Arguments
    dim rs as sql::ResultSet
    dim dbsn as c
    dim dbcs as c
    dim ssun as c
    dim sspass as c

    dim sqluser as c = "select branch_key, agency_id from users where emailaddress = :currentuser"

    args.add("currentuser",session.cu)

    if cn.Execute(sqluser,args)

    rs = cn.ResultSet

    if rs.nextrow()
    session.branchkey = rs.data("branch_key")
    session.agency_id = rs.data("agency_id")
    end if
    end if

    This basically sets a session variable called branchkey which I then use in a query on my dropdown box on the component

    SELECT DISTINCT Agency_Name FROM Agencies where agencies.branch_key = session.branchkey ORDER BY Agency_Name

    The problem I am having is that sometimes the results in the dropdown box are correct and relate to the current user, other times they are incorrect and don't bear any relation to the user that has logged in, I have added a button on my component which shows the value of both variables above and they are always correct..

    I am pretty sure it is to do with my session.branchkey but I am struggling to find out what

    Any help greatly appreciated

    thanks

    john

    #2
    Re: V12 Grid component

    Couple things I notice.

    Instead of using this:

    Code:
    e.rv.session.cu
    Just use

    Code:
    session.cu
    Also, are branch_key and agency_id character type? You could get away with numeric-type session variable up through version 11, but no longer in version 12. All session variables must be character type. In which case, you would use:
    Code:
    session.branchkey = convert_type(rs.data("branch_key"),"C")
    session.agency_id = convert_type(rs.data("agency_id"), "C")
    Of course it also follows that when you use these session variables in other places, you may need to manage the type appropriately in the expression.

    You could also turn on debug and check the values as you go to better understand where any problem is developing.

    Hope this helps narrow it down.
    -Steve
    sigpic

    Comment


      #3
      Re: V12 Grid component

      Hi Steve

      I guess you mean use
      session.cu = session.emailaddress
      and not
      session.cu = e.rv.session.emailaddress ?

      As I have tried all sorts of permutations on that one :o(

      Both fields in my SQL database are nvarchar so looks like that's OK also

      I haven't tried debug so I think that's going to be my next step

      thanks

      john

      Comment


        #4
        Re: V12 Grid component

        Hi Steve

        I am struggling a little with the debugger as my session variable doesn't exist, the variable session.emailaddress is a Ulink field called from the login component ...

        thanks
        john

        Comment


          #5
          Re: V12 Grid component

          Hi John,

          I agree with Steve, make sure your session variables are all characters as he suggested.

          I don't have all your code for the OnGridInitialize() and since you are converting this from previous version, do this: temporarily remove all your code and then click the "Default Function Prototype" so you can get the current description and sample code for that event and then read it and make the necessary changes to your code.

          Also I re-coded your posted code, see if that help. Definitely your issue is that the session.branchkey and session.agency_id are not being updated properly.
          Code:
          '-- Get the current User which will return the email address.
          dim cu as c = a5ws_getcurrentuser()
          
          'Open main SQL DB and retreive branch key and agency id for branch selection screen
          dim cn as sql::connection
          connection = "::name::TravelcloudSQL"
          
          if cn.open(connection) then
          	dim args as sql::Arguments
          	dim rs as sql::ResultSet
          	dim dbsn as c
          	dim dbcs as c
          	dim ssun as c
          	dim sspass as c
          	
          	dim sqluser as c = "select branch_key, agency_id from users where emailaddress = :currentuser"
          	
          	args.add("currentuser",cu)
          	
          	if cn.Execute(sqluser,args) then
          		rs = cn.ResultSet
          		if rs.DataIsNull(1) = .f. then '--Test if the rs has any data
          			session.branchkey = convert_type(rs.data("branch_key"),"C")
          			session.agency_id = convert_type(rs.data("agency_id"), "C")
          		else
          			'-- for debugging show a message here if the rs did not have any data
          		end if
          	end if
          end if
          Edhy Rijo
          Progytech
          (Computer Consultants)
          The makers of CardTracking.Net
          www.progytech.com

          Comment


            #6
            Re: V12 Grid component

            The use of the ulink is being deprecated. I honestly don't know if it works in V12 or not though I suspect it does. Either way, you should be on your way to another method when you can. There are a few A5WS...() functions that can usually do the job for you, such as a5ws_getcurrentuser() .
            -Steve
            sigpic

            Comment


              #7
              Re: V12 Grid component

              thanks for everyone's help with this, strangely enough two things have happened which do seem to of sorted it out

              the first is I recoded to this
              dim sqluser as c = "select branch_key, agency_id from users where emailaddress = '"+session.cu+"'"

              the second is I installed the latest patches realesed yesterday and now it all seems to work !

              all most odd

              thanks

              Comment

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