Unable to Export PDF with ejs-grid

[Nitish]

Hello Support,

I am getting an issue with PDF export. I have added ejs-grid with  childGrid and toolbar options: "Search", "Print", "ExcelExport", "PdfExport"

All tools are working except PdfExport.

When I click on PdfExport then it is showing error in browser console below and when I remove the child grid the PDF export is working fine.

So something problem is with ChildGrid, but I am unable to identify it.

Here is browser console error:

constants.js:93 Uncaught (in promise) Error: IndexOutOfRangeException

    at e.getCell (constants.js:93)

    at f (constants.js:93)

    at y (constants.js:93)

    at e.processGridHeaders (constants.js:93)

    at e.processGridExport (constants.js:93)

    at constants.js:93

    at new Promise ()

    at e.processExport (constants.js:93)

    at constants.js:93

---------------------------------------

Here is the code I have implemented:

Grid:

 

--------------------

ChildGrid:

 var ChildGrid = new Syncfusion.EJ2.Grids.Grid()

        {

            DataSource = (IEnumerable<object>)ViewBag.PriceDatasource,

            QueryString = "purchaseOrderId",

            Columns = new List

            {

                new Syncfusion.EJ2.Grids.GridColumn() { Field = "product.productName",  HeaderText = "Product Name", Width = "200", TextAlign = Syncfusion.EJ2.Grids.TextAlign.Left },

                new Syncfusion.EJ2.Grids.GridColumn() { Field = "product.productCode",  HeaderText = "Product Code", Width = "100", TextAlign = Syncfusion.EJ2.Grids.TextAlign.Left },

                new Syncfusion.EJ2.Grids.GridColumn() { Field = "discountAmount", HeaderText = "Discount Amount", Width = "100", TextAlign = Syncfusion.EJ2.Grids.TextAlign.Left },

                new Syncfusion.EJ2.Grids.GridColumn() { Field = "price",  HeaderText = "Price", Width = "100", Format = "c2", TextAlign = Syncfusion.EJ2.Grids.TextAlign.Left },

                new Syncfusion.EJ2.Grids.GridColumn() { Field = "qty",  HeaderText = "Quantity", Width = "100", Format = "c2", TextAlign = Syncfusion.EJ2.Grids.TextAlign.Left },

                new Syncfusion.EJ2.Grids.GridColumn() { Field = "totalAmount", HeaderText = "Total Amount", Width = "100", Format = "c2", TextAlign = Syncfusion.EJ2.Grids.TextAlign.Left },

            }

    };

-----------------------------------

Script:

function treeGridToolbarClick(args) {

        var gridObj = document.getElementById("TreeGrid").ej2_instances[0];

        if (args.item.id === gridObj.element.id + '_excelexport') {

            gridObj.excelExport();

        }

        if (args.item.id === gridObj.element.id + '_pdfexport') {

            gridObj.pdfExport();

        }

    }

Please help to find out the issue.

Thanks.