Get the current flexgrid grid

Posted by: a.luis on 8 September 2022, 12:13 am EST

  • Posted 8 September 2022, 12:13 am EST

    How to get the current flexgrid from GridId without creating anew one?

    I'm trying to determine the actual selected row count in OutSystems and I'm using this function:

    function showCheckedCount(gridID) {
    const grid = new wijmo.grid.FlexGrid(gridID, {});
    sel = grid.rows.filter(r => r.isSelected);
    cnt = sel.length;
    return cnt;

    But the grid already exists and so I'm getting an error.

    Can someone help?
  • Replied 8 September 2022, 2:21 pm EST

    Hi Andi,

    You can use the getControl() method to get an already existing control instance by passing the DOM element that hosts the control, or a CSS selector for the host element. You may use the code snippet below to get the selected row count from grid element's id:

    function showCheckedCount(gridID) {
    const grid = wijmo.Control.getControl(gridID),
    cnt = grid.selectedRows.length;
    return cnt;

    API link:

  • Marked as Answer

    Replied 13 September 2022, 8:53 pm EST

    I used a setInterval and called the function to count rows. It worked
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