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Getting values from a table to a javascript function

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  • Getting values from a table to a javascript function

    Hi,
    I wonder if anyone can help with this:

    In the javascript function below, I need to fill the variable called "data_chart" with data coming from a dbf table. Can I do this?
    Thanks in advanced.
    javier


    function doChart() {

    var data_chart = [
    ['Label', 'Value'],
    ['Memory', 60],
    ['CPU', 25],
    ['Network', 78]
    ];

    doChartLow(data_chart);


    }
    Last edited by jcarrallo; 12-01-2013, 12:42 PM.

  • #2
    Re: Getting values from a table to a javascript function

    If that data is available in some component then yes you can get to it. Javascript is client side so it cannot go & get data from a dbf file that is sitting server side.
    Frank

    Tell me and I'll forget; show me and I may remember; involve me and I'll understand

    Comment


    • #3
      Re: Getting values from a table to a javascript function

      Go and have a look at the new Videos here...

      http://downloads.alphasoftware.com/A...easenotes.html

      Using SQL Data in a Google Chart.

      and then I changed the code a bit to get this... which uses a DBF Table

      Code:
      dim filter as c
      dim conn as SQL::Connection
      dim rsDBF as SQL::ResultSet
      dim tbl as P
      tbl = table.open("E:\Program Files (x86)\a5V12\Samples\AlphaSports\Product.dbf")
      rs = conn.ResultSetFromDBF(tbl)
      dim template as c 
      
      template = "['{js_escape(ds.data(\"Description\"))}', {ds.data(\"Qty_In_Sto\")}],"
      
      dim txt as c 
      txt = a5_mergedataintotemplate(template,rs)
      
      txt = rtrim(txt,",")
      txt = "[['Description', 'Quantity']," + txt + "]"
      
      dim js as c 
      js = "{dialog.object}._data = " + txt + ";"
      
      e.javascript = js
      The nice bit here is the function ResultSetFromDBF. Once you have data in a resultset, you can use other functions to easily create the array you need.

      You'll see that the array used in the videos is virtually identical to what you want. So you should be able to work it out.

      The end result is DBF Data passed back to client-side Javascript.

      Comment


      • #4
        Re: Getting values from a table to a javascript function

        This is great!!!
        Just what I needed.
        This opens lots of posibilities for me.
        Many thanks David.
        And thanks to Frank too.
        Best,
        javier

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