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Excel Exporting in ASP.NET Core Pivot Table control

The Excel export allows Pivot Table data to be exported as Excel document. To enable Excel export in the pivot table, set the allowExcelExport property in ejs-pivotview tag to true. Once the API is set, user needs to call the excelExport method for exporting on external button click.

The pivot table component can be exported to Excel format using options available in the toolbar. For more details refer here.

tagHelper
Export.cs
<ejs-button id="excel" content="Export To Excel" isPrimary="true"></ejs-button>

<ejs-pivotview id="PivotView" height="300" allowExcelExport="true">
    <e-datasourcesettings dataSource="@ViewBag.DataSource" expandAll="false">
        <e-formatsettings>
            <e-field name="Amount" format="C0" maximumSignificantDigits="10" minimumSignificantDigits="1" useGrouping="true"></e-field>
        </e-formatsettings>
        <e-rows>
            <e-field name="Country"></e-field>
            <e-field name="Products"></e-field>
        </e-rows>
        <e-columns>
            <e-field name="Year" caption="Year"></e-field>
            <e-field name="Quarter"></e-field>
        </e-columns>
        <e-values>
            <e-field name="Sold" caption="Units Sold"></e-field>
            <e-field name="Amount" caption="Sold Amount"></e-field>
        </e-values>
    </e-datasourcesettings>
</ejs-pivotview>

<script>
    var pivotObj;
    document.getElementById('excel').onclick = function () {
        pivotObj = document.getElementById('PivotView').ej2_instances[0];
        pivotObj.excelExport();
    }
</script>
public ActionResult Index()
{
    var data = GetPivotData();
    ViewBag.DataSource = data;
    return View();
}

Multiple pivot table exporting

The Excel export provides an option to export multiple pivot table data in the same Excel file.

Same WorkSheet

The Excel export provides support to export multiple pivot tables in same sheet. To export in same sheet, define multipleExport.type as AppendToSheet in excelExportProperties. It has an option to provide blank rows between pivot tables and these blank row(s) count can be defined using themultipleExport.blankRows property.

By default, multipleExport.blankRows value is 5 between pivot table’s within the same sheet.

tagHelper
SameSheetExport.cs
<ejs-button id="excel" content="Export To Excel" isPrimary="true"></ejs-button>

<ejs-pivotview id="PivotView" height="300" allowExcelExport="true">
    <e-datasourcesettings dataSource="@ViewBag.DataSource" expandAll="false">
        <e-formatsettings>
            <e-field name="Amount" format="C0" maximumSignificantDigits="10" minimumSignificantDigits="1" useGrouping="true"></e-field>
        </e-formatsettings>
        <e-rows>
            <e-field name="Country"></e-field>
            <e-field name="Products"></e-field>
        </e-rows>
        <e-columns>
            <e-field name="Year" caption="Year"></e-field>
            <e-field name="Quarter"></e-field>
        </e-columns>
        <e-values>
            <e-field name="Sold" caption="Units Sold"></e-field>
            <e-field name="Amount" caption="Sold Amount"></e-field>
        </e-values>
    </e-datasourcesettings>
</ejs-pivotview>
<br />
<ejs-pivotview id="PivotGrid2" height="300" allowExcelExport="true">
    <e-datasourcesettings dataSource="@ViewBag.DataSource" expandAll="false">
        <e-formatsettings>
            <e-field name="Amount" format="C0" maximumSignificantDigits="10" minimumSignificantDigits="1" useGrouping="true"></e-field>
        </e-formatsettings>
        <e-columns>
            <e-field name="Country"></e-field>
            <e-field name="Products"></e-field>
        </e-columns>
        <e-rows>
            <e-field name="Year" caption="Year"></e-field>
            <e-field name="Quarter"></e-field>
        </e-rows>
        <e-values>
            <e-field name="Sold" caption="Units Sold"></e-field>
            <e-field name="Amount" caption="Sold Amount"></e-field>
        </e-values>
    </e-datasourcesettings>
</ejs-pivotview>

<script>
    var pivotObj; var pivotObj2;
    document.getElementById('excel').onclick = function () {
        pivotObj = document.getElementById('PivotView').ej2_instances[0];
        pivotObj2 = document.getElementById('PivotGrid2').ej2_instances[0];

        var excelExportProperties = {
            multipleExport: { type: 'AppendToSheet', blankRows: 2 }
        };
        var firstGridExport = pivotObj.grid.excelExport(excelExportProperties, true);
        firstGridExport.then(function (fData) {
            pivotObj2.excelExport(excelExportProperties, false, fData);
        });
    }
</script>
public ActionResult Index()
{
    var data = GetPivotData();
    ViewBag.DataSource = data;
    return View();
}

New WorkSheet

Excel export provides support to export multiple pivot tables into new sheets. To export in new sheets, define multipleExport.type as NewSheet in excelExportProperties.

tagHelper
NewSheetExport.cs
<ejs-button id="excel" content="Export To Excel" isPrimary="true"></ejs-button>

<ejs-pivotview id="PivotView" height="300" allowExcelExport="true">
    <e-datasourcesettings dataSource="@ViewBag.DataSource" expandAll="false">
        <e-formatsettings>
            <e-field name="Amount" format="C0" maximumSignificantDigits="10" minimumSignificantDigits="1" useGrouping="true"></e-field>
        </e-formatsettings>
        <e-rows>
            <e-field name="Country"></e-field>
            <e-field name="Products"></e-field>
        </e-rows>
        <e-columns>
            <e-field name="Year" caption="Year"></e-field>
            <e-field name="Quarter"></e-field>
        </e-columns>
        <e-values>
            <e-field name="Sold" caption="Units Sold"></e-field>
            <e-field name="Amount" caption="Sold Amount"></e-field>
        </e-values>
    </e-datasourcesettings>
</ejs-pivotview>
<br />
<ejs-pivotview id="PivotGrid2" height="300" allowExcelExport="true">
    <e-datasourcesettings dataSource="@ViewBag.DataSource" expandAll="false">
        <e-formatsettings>
            <e-field name="Amount" format="C0" maximumSignificantDigits="10" minimumSignificantDigits="1" useGrouping="true"></e-field>
        </e-formatsettings>
        <e-columns>
            <e-field name="Country"></e-field>
            <e-field name="Products"></e-field>
        </e-columns>
        <e-rows>
            <e-field name="Year" caption="Year"></e-field>
            <e-field name="Quarter"></e-field>
        </e-rows>
        <e-values>
            <e-field name="Sold" caption="Units Sold"></e-field>
            <e-field name="Amount" caption="Sold Amount"></e-field>
        </e-values>
    </e-datasourcesettings>
</ejs-pivotview>

<script>
    var pivotObj; var pivotObj2;
    document.getElementById('excel').onclick = function () {
        pivotObj = document.getElementById('PivotView').ej2_instances[0];
        pivotObj2 = document.getElementById('PivotGrid2').ej2_instances[0];

        var excelExportProperties = {
            multipleExport: { type: 'NewSheet' }
        };
        var firstGridExport = pivotObj.grid.excelExport(excelExportProperties, true);
        firstGridExport.then(function (fData) {
            pivotObj2.excelExport(excelExportProperties, false, fData);
        });
    }
</script>
public ActionResult Index()
{
    var data = GetPivotData();
    ViewBag.DataSource = data;
    return View();
}

Changing the pivot table style while exporting

The Excel export provides an option to change colors for headers, caption and records in pivot table before exporting. In-order to apply colors, define theme settings in excelExportProperties object and pass it as a parameter to the excelExport method.

By default, material theme is applied to exported Excel document.

tagHelper
ThemeExport.cs
<ejs-button id="excel" content="Export To Excel" isPrimary="true"></ejs-button>

<ejs-pivotview id="PivotView" height="300" allowExcelExport="true">
    <e-datasourcesettings dataSource="@ViewBag.DataSource" expandAll="false">
        <e-formatsettings>
            <e-field name="Amount" format="C0" maximumSignificantDigits="10" minimumSignificantDigits="1" useGrouping="true"></e-field>
        </e-formatsettings>
        <e-rows>
            <e-field name="Country"></e-field>
            <e-field name="Products"></e-field>
        </e-rows>
        <e-columns>
            <e-field name="Year" caption="Year"></e-field>
            <e-field name="Quarter"></e-field>
        </e-columns>
        <e-values>
            <e-field name="Sold" caption="Units Sold"></e-field>
            <e-field name="Amount" caption="Sold Amount"></e-field>
        </e-values>
    </e-datasourcesettings>
</ejs-pivotview>

<script>
    var pivotObj;
    document.getElementById('excel').onclick = function () {
        pivotObj = document.getElementById('PivotView').ej2_instances[0];
        var excelExportProperties = {
            theme: {
                header: { fontName: 'Segoe UI', fontColor: '#666666' },
                record: { fontName: 'Segoe UI', fontColor: '#666666' },
                caption: { fontName: 'Segoe UI', fontColor: '#666666' }
            }
        };
        pivotObj.excelExport(excelExportProperties);
    }
</script>
public ActionResult Index()
{
    var data = GetPivotData();
    ViewBag.DataSource = data;
    return View();
}

The Excel export provides an option to include header and footer content for the excel document before exporting. In-order to add header and footer, define header and footer properties in excelExportProperties object and pass it as a parameter to the excelExport method.

tagHelper
<ejs-button id="excel" content="Export To Excel" isPrimary="true"></ejs-button>

<ejs-pivotview id="PivotView" height="300" allowExcelExport="true">
    <e-datasourcesettings dataSource="@ViewBag.DataSource" expandAll="false">
        <e-formatsettings>
            <e-field name="Amount" format="C0" maximumSignificantDigits="10" minimumSignificantDigits="1" useGrouping="true"></e-field>
        </e-formatsettings>
        <e-rows>
            <e-field name="Country"></e-field>
            <e-field name="Products"></e-field>
        </e-rows>
        <e-columns>
            <e-field name="Year" caption="Year"></e-field>
            <e-field name="Quarter"></e-field>
        </e-columns>
        <e-values>
            <e-field name="Sold" caption="Units Sold"></e-field>
            <e-field name="Amount" caption="Sold Amount"></e-field>
        </e-values>
    </e-datasourcesettings>
</ejs-pivotview>

<script>
    var pivotObj;
    document.getElementById('excel').onclick = function () {
        pivotObj = document.getElementById('PivotView').ej2_instances[0];
        var excelExportProperties = {
            header: {
                headerRows: 2,
                rows: [
                    { cells: [{ colSpan: 4, value: "Pivot Grid", style: { fontColor: '#C67878', fontSize: 20, hAlign: 'Center', bold: true, underline: true } }] }
                ]
            },
            footer: {
                footerRows: 4,
                rows: [
                    { cells: [{ colSpan: 4, value: "Thank you for your business!", style: { hAlign: 'Center', bold: true } }] },
                    { cells: [{ colSpan: 4, value: "!Visit Again!", style: { hAlign: 'Center', bold: true } }] }
                ]
            }
        };
        pivotObj.excelExport(excelExportProperties);
    }
</script>

Changing the file name while exporting

The Excel export provides an option to change file name of the document before exporting. In-order to change the file name, define fileName property in excelExportProperties object and pass it as a parameter to the excelExport method.

tagHelper
FileName.cs
<ejs-button id="excel" content="Export To Excel" isPrimary="true"></ejs-button>

<ejs-pivotview id="PivotView" height="300" allowExcelExport="true">
    <e-datasourcesettings dataSource="@ViewBag.DataSource" expandAll="false">
        <e-formatsettings>
            <e-field name="Amount" format="C0" maximumSignificantDigits="10" minimumSignificantDigits="1" useGrouping="true"></e-field>
        </e-formatsettings>
        <e-rows>
            <e-field name="Country"></e-field>
            <e-field name="Products"></e-field>
        </e-rows>
        <e-columns>
            <e-field name="Year" caption="Year"></e-field>
            <e-field name="Quarter"></e-field>
        </e-columns>
        <e-values>
            <e-field name="Sold" caption="Units Sold"></e-field>
            <e-field name="Amount" caption="Sold Amount"></e-field>
        </e-values>
    </e-datasourcesettings>
</ejs-pivotview>

<script>
    var pivotObj;
    document.getElementById('excel').onclick = function () {
        pivotObj = document.getElementById('PivotView').ej2_instances[0];
        var excelExportProperties = {
            filename:'sample.xslx'
        };
        pivotObj.excelExport(excelExportProperties);
    }
</script>
public ActionResult Index()
{
    var data = GetPivotData();
    ViewBag.DataSource = data;
    return View();
}

CSV Export

Also, the Excel export allows pivot table data to be exported in CSV file format. To export pivot table in CSV file format, you need to use the csvExport method.

tagHelper
CSVExport.cs
<ejs-button id="excel" content="Export To Excel" isPrimary="true"></ejs-button>

<ejs-pivotview id="PivotView" height="300" allowExcelExport="true">
    <e-datasourcesettings dataSource="@ViewBag.DataSource" expandAll="false">
        <e-formatsettings>
            <e-field name="Amount" format="C0" maximumSignificantDigits="10" minimumSignificantDigits="1" useGrouping="true"></e-field>
        </e-formatsettings>
        <e-rows>
            <e-field name="Country"></e-field>
            <e-field name="Products"></e-field>
        </e-rows>
        <e-columns>
            <e-field name="Year" caption="Year"></e-field>
            <e-field name="Quarter"></e-field>
        </e-columns>
        <e-values>
            <e-field name="Sold" caption="Units Sold"></e-field>
            <e-field name="Amount" caption="Sold Amount"></e-field>
        </e-values>
    </e-datasourcesettings>
</ejs-pivotview>

<script>
    var pivotObj;
    document.getElementById('excel').onclick = function () {
        pivotObj = document.getElementById('PivotView').ej2_instances[0];
        pivotObj.csvExport();
    }
</script>
public ActionResult Index()
{
    var data = GetPivotData();
    ViewBag.DataSource = data;
    return View();
}

Virtual Scroll Data

You can export the pivot table virtual scroll data as Excel/CSV document by using PivotEngine export without any performance degradation. To enable PivotEngine export in the pivot table, set the allowExcelExport as true. You need to use the exportToExcel method for PivotEngine export.

PivotEngine export will be performed while enabling virtual scrolling by default.

Virtual Scroll Data Excel Export

tagHelper
Export.cs
<ejs-button id="excel" content="Export To Excel" isPrimary="true"></ejs-button>

<ejs-pivotview id="PivotView" height="300" allowExcelExport="true">
    <e-datasourcesettings dataSource="@ViewBag.DataSource" expandAll="false">
        <e-formatsettings>
            <e-field name="Amount" format="C0" maximumSignificantDigits="10" minimumSignificantDigits="1" useGrouping="true"></e-field>
        </e-formatsettings>
        <e-rows>
            <e-field name="Country"></e-field>
            <e-field name="Products"></e-field>
        </e-rows>
        <e-columns>
            <e-field name="Year" caption="Year"></e-field>
            <e-field name="Quarter"></e-field>
        </e-columns>
        <e-values>
            <e-field name="Sold" caption="Units Sold"></e-field>
            <e-field name="Amount" caption="Sold Amount"></e-field>
        </e-values>
    </e-datasourcesettings>
</ejs-pivotview>

<script>
    var pivotObj;
    document.getElementById('excel').onclick = function () {
        pivotObj = document.getElementById('PivotView').ej2_instances[0];
        pivotObj.excelExportModule.exportToExcel('Excel');
    }
</script>
public ActionResult Index()
{
    var data = GetPivotData();
    ViewBag.DataSource = data;
    return View();
}

Virtual Scroll Data CSV Export

tagHelper
CSVExport.cs
<ejs-button id="excel" content="Export To Excel" isPrimary="true"></ejs-button>

<ejs-pivotview id="PivotView" height="300" allowExcelExport="true">
    <e-datasourcesettings dataSource="@ViewBag.DataSource" expandAll="false">
        <e-formatsettings>
            <e-field name="Amount" format="C0" maximumSignificantDigits="10" minimumSignificantDigits="1" useGrouping="true"></e-field>
        </e-formatsettings>
        <e-rows>
            <e-field name="Country"></e-field>
            <e-field name="Products"></e-field>
        </e-rows>
        <e-columns>
            <e-field name="Year" caption="Year"></e-field>
            <e-field name="Quarter"></e-field>
        </e-columns>
        <e-values>
            <e-field name="Sold" caption="Units Sold"></e-field>
            <e-field name="Amount" caption="Sold Amount"></e-field>
        </e-values>
    </e-datasourcesettings>
</ejs-pivotview>

<script>
    var pivotObj;
    document.getElementById('excel').onclick = function () {
        pivotObj = document.getElementById('PivotView').ej2_instances[0];
        pivotObj.excelExportModule.exportToExcel('csv');
    }
</script>
public ActionResult Index()
{
    var data = GetPivotData();
    ViewBag.DataSource = data;
    return View();
}

Events

ExcelQueryCellInfo

The event excelQueryCellInfo triggers while framing each row and value cell during Excel export. It allows the user to customize the cell value, style etc. of the current cell. It has the following parameters:

  • value - It holds the cell value.
  • column - It holds column information for the current cell.
  • data - It holds the entire row data across the current cell.
  • style - It holds the style properties for the cell.
tagHelper
ExcelQueryCell.cs
<ejs-pivotview id="PivotView" height="300">
    <e-datasourcesettings dataSource="@ViewBag.DataSource" expandAll="false">
        <e-formatsettings>
            <e-field name="Amount" format="C0" maximumSignificantDigits="10" minimumSignificantDigits="1" useGrouping="true"></e-field>
        </e-formatsettings>
        <e-rows>
            <e-field name="Country"></e-field>
            <e-field name="Products"></e-field>
        </e-rows>
        <e-columns>
            <e-field name="Year" caption="Year"></e-field>
            <e-field name="Quarter"></e-field>
        </e-columns>
        <e-values>
            <e-field name="Sold" caption="Units Sold"></e-field>
            <e-field name="Amount" caption="Sold Amount"></e-field>
        </e-values>
    </e-datasourcesettings>
    <e-gridSettings columnWidth=120 excelHeaderCellInfo="excelHeaderCell"></e-gridSettings>
</ejs-pivotview>
<script>
    function excelHeaderCell(args) {

    }
</script>
public ActionResult Index()
{
    var data = GetPivotData();
    ViewBag.DataSource = data;
    return View();
}

ExcelHeaderQueryCellInfo

The event excelHeaderQueryCellInfo triggers on framing each header cell during Excel export. It allows the user to customize the cell value, style etc. of the current cell. It has the following parameters:

  • cell - It holds the current cell information.
  • style - It holds the style properties for the cell.
tagHelper
ExcelHeader.cs
<ejs-pivotview id="PivotView" height="300">
    <e-datasourcesettings dataSource="@ViewBag.DataSource" expandAll="false">
        <e-formatsettings>
            <e-field name="Amount" format="C0" maximumSignificantDigits="10" minimumSignificantDigits="1" useGrouping="true"></e-field>
        </e-formatsettings>
        <e-rows>
            <e-field name="Country"></e-field>
            <e-field name="Products"></e-field>
        </e-rows>
        <e-columns>
            <e-field name="Year" caption="Year"></e-field>
            <e-field name="Quarter"></e-field>
        </e-columns>
        <e-values>
            <e-field name="Sold" caption="Units Sold"></e-field>
            <e-field name="Amount" caption="Sold Amount"></e-field>
        </e-values>
    </e-datasourcesettings>
    <e-gridSettings columnWidth=120 excelHeaderCellInfo="excelHeaderCell"></e-gridSettings>
</ejs-pivotview>
<script>
    function excelHeaderCell(args) {

    }
</script>
public ActionResult Index()
{
    var data = GetPivotData();
    ViewBag.DataSource = data;
    return View();
}

See Also

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