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    #1

    Grid component

    Does anyone know whether it is possible to change the filter for a dropdownbox, so that the filter is based on a value in a session variable?

    Regards
    Dannie
    Tags: None
    #2
    RE: Grid component

    Dannie

    When you place a component on a page, you have an option to override values. If you look at the xbasic in the component using a dynamic list, you should find lines something like this

    with tmpl.field_info[1]
    .Fieldname = "Name"
    .Scope = "Local"
    .DisplayFormat = ""
    .DisplayUnFormat = ""
    .Type = "C"
    .Controltype = "DropDownBox"
    .DropdownBox.InLineStyle = ""
    .DropdownBox.Type = "Dynamic"
    .DropdownBox.StyleFieldIfError = .t.
    .DropdownBox.ErrorInLineStyle = ""
    .DropdownBox.Size = 1
    .DropdownBox.selectStyle = "Single"
    .DropdownBox.NotInListRule = "Add To List"
    .DropDownBox.Datasource = "DBF-Table"
    .DropDownBox.Table = "[PathAlias.ADB_Path]\Programs.Dbf"
    .DropDownBox.DisplayValueField = "Name"
    .DropDownBox.StoredValueField = ""
    .DropDownBox.maxchoices = 0
    .DropDownBox.Filter = "Region_Id=\"10\""

    Form this, you can override the dropdown filter by using something like this on the page after the component loads and before it runs

    regionid = "10"

    tmpl.field_info[1].DropDownBox.Filter = "Region_Id=\""+regionid+"\""

    Of course, you expression will be different and you can replace the regionid in the example with a session variable.

    Jerry

    Comment

      #3
      RE: Grid component

      Thanks Jerry

      Can the same procedure be used for a primary key?

      I want to have the primary key in a child table to be the value of a session variable.

      Regards
      Dannie

      Comment

        #4
        RE: Grid component

        Dannie

        You can override any parameter that is set with the xbasic code. In one case, I use a component that was designed for one table and change the DBF table definition to use another table that has the field field names.

        Jerry

        Comment

          #5
          RE: Grid component

          Jerry -

          I have a similar issue/need. Upon login, I am creating session variables that I use to filter the subsequent A5W pages. This works fine. I now want to pass the session variable into the grid itself and filter a specific dropdown based on the session variable.

          No matter what I try I am unable to get this to work, however, if I hardcode the filter such as contclientid=8 it works and filters on id number 8

          Is there a way to pass the session variable into the grid for filtering?

          Jim

          Comment

            #6
            RE: Grid component

            Jim

            Just use the methoid I listed above, substituting the session variable for the value. In the example, I used

            regionid = "10"

            tmpl.field_info[1].DropDownBox.Filter = "Region_Id=\""+regionid+"\""

            If you had a session variable named session.region, the code would become

            tmpl.field_info[1].DropDownBox.Filter = "Region_Id=\""+session.region+"\""

            However, your example shows the filter using a numeric value so the session variable has to be numeric. The code without a variable would be something like

            tmpl.field_info[1].DropDownBox.Filter = "contclientid=8"

            Using a numeric variable, the code would be something like

            tmpl.field_info[1].DropDownBox.Filter = "contclientid="+session.id

            Jerry

            Comment

              #7
              RE: Grid component

              Jerry -

              Thanks for the reply, but its still not working.. Here's what I am doing:

              When the user logs in I lookup the login and create a variable called memid. this is a Character based value. I store this value as session.__protected__memid and also copy it to session.varclient.

              When I embed them into an a5w page and type ?session.varclient the correct value is displayed, so I know the variable exists, and its correct.

              I now want to put this variable into the drop down box and filter the field that is displayed (from the contact table) on the id field called contclientid (which is NUMERIC) with the Char based value that is the variable.

              I have tried the following filter values to no avail...

              "Contclientid="+val(session.varclient)
              "conclientid="+session.varclient
              contclientid=8 THIS WORKS BUT ITS HARDCODED
              contclientid=val(session.varclient)
              contclientid=+val(session.varclient)
              contclientid=+session.varclient


              Also what does \"" and "\"" send to the server?

              Thanks in advance.

              Jim

              Comment

                #8
                RE: Grid component

                I used the following code in a dialog component, Issueid is an numeric value.
                ---------------------------------------------
                session.uid = 50
                '
                'Component code here
                '
                '
                tmpl.Variable_Info[1].DropDownBox.Filter = "Issueid"" + Session.uid
                ----------------------------------------------
                and it worked

                re:Also what does \"" and "\"" send to the server?
                These are escape characters and enclose the value with quotes


                John Bowen
                www.alpha5host.com
                alpha 5 hosting

                Comment

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