function exportAllData(format, api, loader, reportTitle, column) {
    const params = new URLSearchParams({
        searchPRNo: ($('#srchPRNo').val() || '').trim(),
        searchItemNo: ($('#srchItemNo').val() || '').trim(),
        searchItemName: ($('#srchItem').val() || '').trim(),
        searchDept: ($('#srchDept').val() || '').trim(),
        searchStatusName: ($('#srchStatus').val() || '').trim(),
        pageNumber: 1,
        pageSize: 999999
    });

    loader.show();

    $.ajax({
        url: `${api}?${params}`,
        type: 'GET',
        success: function (json) {
            loader.hide();
            if (!json.data || json.data.length === 0) {
                toastr.warning('No data to export.');
                return;
            }
            triggerClientExport(json.data, format, reportTitle, column);
        },
        error: function () {
            loader.hide();
            toastr.error('Failed to fetch data for export.');
        }
    });
}
function triggerClientExport(data, format, reportTitle, column) {
    const tempTableId = 'tempExportTable';

    // Filter out action/button columns (data: null) and strip render functions
    const exportColumns = column
        .filter(c => c.data !== null && c.data !== undefined)
        .map(c => ({
            data: c.data,
            title: c.title || c.data,
            // Keep render only for non-display logic (dates etc),
            // but strip HTML from output
            render: c.render
                ? function (data, type, row) {
                    if (type === 'export' || type === 'display') {
                        const result = c.render(data, 'display', row);
                        // Strip HTML tags for export
                        return $('<div>').html(result).text();
                    }
                    return data;
                }
                : undefined
        }));

    $('body').append(`
        <div id="tempExportWrapper" style="position:fixed;left:-9999px;top:-9999px;">
            <table id="${tempTableId}"></table>
        </div>
    `);

    const tempTable = $(`#${tempTableId}`).DataTable({
        data: data,
        columns: exportColumns,
        dom: 'Brt',
        buttons: [
            {
                extend: format,
                title: reportTitle,
                exportOptions: {
                    columns: ':visible',
                    format: {
                        body: function (data) {
                            // Strip any remaining HTML tags
                            return $('<div>').html(data).text();
                        }
                    }
                }
            }
        ],
        paging: false,
        searching: false,
        info: false
    });

    setTimeout(function () {
        tempTable.button(0).trigger();
    }, 500);

    setTimeout(function () {
        tempTable.destroy();
        $('#tempExportWrapper').remove();
    }, 2000);
}