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Data Binding in ASP.NET MVC Spreadsheet control

28 Jul 2021 / 3 minutes to read

The Spreadsheet uses DataManager, which supports both RESTful JSON data services and local JavaScript object array binding to a range. The dataSource property can be assigned either with the instance of DataManager or JavaScript object array collection.

To bind data to a cell, use cell data binding support.

Local data

To bind local data to the Spreadsheet, you can assign a JavaScript object array to the dataSource property.

Refer to the following code example for local data binding.

razor
localDataController.cs
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@Html.EJS().Spreadsheet("spreadsheet").Sheets((sheet) =>
{
    sheet.Ranges((ranges) =>
    {
        ranges.DataSource(@ViewBag.defaultData).Add();
    }).Add();
}).Render()
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public IActionResult Index()
        {
            List<object> data = new List<object>()
            {
                new { CustomerName= "Romona Heaslip",  Model= "Taurus",  Color= "Aquamarine",  PaymentMode= "Debit Card",  DeliveryDate= "07/11/2015",  Amount= "8529.22" },
                new { CustomerName= "Clare Batterton",  Model= "Sparrow",  Color= "Pink",  PaymentMode= "Cash On Delivery",  DeliveryDate= "7/13/2016",  Amount= "17866.19" },
                new { CustomerName= "Eamon Traise",  Model= "Grand Cherokee",  Color= "Blue",  PaymentMode= "Net Banking",  DeliveryDate= "09/04/2015",  Amount= "13853.09" },
                new { CustomerName= "Julius Gorner",  Model= "GTO",  Color= "Aquamarine",  PaymentMode= "Credit Card",  DeliveryDate= "12/15/2017",  Amount= "2338.74" },
                new { CustomerName= "Jenna Schoolfield",  Model= "LX",  Color= "Yellow",  PaymentMode= "Credit Card",  DeliveryDate= "10/08/2014",  Amount= "9578.45" },
                new { CustomerName= "Marylynne Harring",  Model= "Catera",  Color= "Green",  PaymentMode= "Cash On Delivery",  DeliveryDate= "7/01/2017",  Amount= "19141.62" },
                new { CustomerName= "Vilhelmina Leipelt",  Model= "7 Series",  Color= "Goldenrod",  PaymentMode= "Credit Card",  DeliveryDate= "12/20/2015",  Amount= "6543.30" },
                new { CustomerName= "Barby Heisler",  Model= "Corvette",  Color= "Red",  PaymentMode= "Credit Card",  DeliveryDate= "11/24/2014",  Amount= "13035.06" },
                new { CustomerName= "Karyn Boik",  Model= "Regal",  Color= "Indigo",  PaymentMode= "Debit Card",  DeliveryDate= "05/12/2014",  Amount= "18488.80" },
                new { CustomerName= "Jeanette Pamplin",  Model= "S4",  Color= "Fuscia",  PaymentMode= "Net Banking",  DeliveryDate= "12/30/2014",  Amount= "12317.04" },
                new { CustomerName= "Cristi Espinos",  Model= "TL",  Color= "Aquamarine",  PaymentMode= "Credit Card",  DeliveryDate= "12/18/2013",  Amount= "6230.13" },
                new { CustomerName= "Issy Humm",  Model= "Club Wagon",  Color= "Pink",  PaymentMode= "Cash On Delivery",  DeliveryDate= "02/02/2015",  Amount= "9709.49" },
                new { CustomerName= "Tuesday Fautly",  Model= "V8 Vantage",  Color= "Crimson",  PaymentMode= "Debit Card",  DeliveryDate= "11/19/2014",  Amount= "9766.10" },
                new { CustomerName= "Rosemaria Thomann",  Model= "Caravan",  Color= "Violet",  PaymentMode= "Net Banking",  DeliveryDate= "02/08/2014",  Amount= "7685.49" },
            };
            ViewBag.DefaultData = data;
            return View();
        }

The local data source can also be provided as an instance of the DataManager. By default, DataManager uses JsonAdaptor for local data-binding.

Remote data

To bind remote data to the Spreadsheet control, assign service data as an instance of DataManager to the dataSource property. To interact with remote data source, provide the service endpoint url.

Refer to the following code example for remote data binding.

razor
remoteDataController.cs
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@Html.EJS().Spreadsheet("spreadsheet").Sheets(sheet =>
  {
      sheet.Name("Shipment Details").Ranges(ranges =>
      {
          ranges.ShowFieldAsHeader(false).StartCell("A2").Query("new ej.data.Query().select(['OrderID', 'CustomerID', 'ShipName', 'ShipCity', 'ShipCountry', 'Freight']).take(200)").DataSource(dataManger =>
   {
       dataManger.Url("https://js.syncfusion.com/demos/ejServices//wcf/Northwind.svc/Orders").CrossDomain(true);
   }).Add();
      }).Rows(row =>
      {
          row.Cells(cell =>
          {
              cell.Value("Order ID").Add();
              cell.Value("Customer Name").Add();
              cell.Value("Freight").Add();
              cell.Value("Ship Name").Add();
              cell.Value("Ship City").Add();
              cell.Value("Ship Country").Add();
          }).Add();
      }).Columns(column =>
      {
          column.Width(100).Add();
          column.Width(130).Add();
          column.Width(100).Add();
          column.Width(220).Add();
          column.Width(150).Add();
          column.Width(180).Add();
      }).Add();
  }).Render()
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public IActionResult Index()
{
    return View();
}

By default, DataManager uses ODataAdaptor for remote data-binding.

Binding with OData services

OData is a standardized protocol for creating and consuming data. You can retrieve data from OData service using the DataManager. Refer to the following code example for remote Data binding using OData service.

razor
oDataController.cs
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@Html.EJS().Spreadsheet("spreadsheet").Created("created").Sheets(sheet =>
  {
      sheet.Name("Order Details").Ranges(ranges =>
      {
        DataSource(dataManger =>
   {
       dataManger.Url("https://ej2services.syncfusion.com/production/web-services/api/Orders").CrossDomain(true).Adaptor("ODataAdaptor");
   }).Add();
      })..Columns(column =>
      {
          column.Width(80).Add();
          column.Width(80).Add();
          column.Width(80).Add();
          column.Width(80).Add();
          column.Width(80).Add();
          column.Width(80).Add();
          column.Width(280).Add();
          column.Width(180).Add();
          column.Width(80).Add();
          column.Width(180).Add();
          column.Width(180).Add();
      }).Add();
  }).Render()

  <script>

    function dataBound() {
        var spreadsheetObj = ej.base.getComponent(document.getElementById('spreadsheet'), 'spreadsheet');
        //Applies cell and number formatting to specified range of the active sheet
        spreadsheetObj.cellFormat({ fontWeight: 'bold', textAlign: 'center', verticalAlign: 'middle' },
      'A1:K1');
    }

</script>
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public IActionResult Index()
{
    return View();
}

Web API

You can use WebApiAdaptor to bind spreadsheet with Web API created using OData endpoint.

razor
webApiController.cs
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@Html.EJS().Spreadsheet("spreadsheet").Created("created").Sheets(sheet =>
  {
      sheet.Name("Order Details").Ranges(ranges =>
      {
        DataSource(dataManger =>
   {
       dataManger.Url("https://ej2services.syncfusion.com/production/web-services/api/Orders").CrossDomain(true).Adaptor("WebApiAdaptor");
   }).Add();
      })..Columns(column =>
      {
          column.Width(80).Add();
          column.Width(80).Add();
          column.Width(80).Add();
          column.Width(80).Add();
          column.Width(80).Add();
          column.Width(80).Add();
          column.Width(280).Add();
          column.Width(180).Add();
          column.Width(80).Add();
          column.Width(180).Add();
          column.Width(180).Add();
      }).Add();
  }).Render()

  <script>

    function dataBound() {
        var spreadsheetObj = ej.base.getComponent(document.getElementById('spreadsheet'), 'spreadsheet');
        //Applies cell and number formatting to specified range of the active sheet
        spreadsheetObj.cellFormat({ fontWeight: 'bold', textAlign: 'center', verticalAlign: 'middle' },
      'A1:K1');
    }

</script>
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public IActionResult Index()
{
    return View();
}

Cell data binding

The Spreadsheet control can bind the data to individual cell in a sheet . To achive this you can use the value property.

Refer to the following code example for cell data binding.

razor
cellDataController.cs
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@Html.EJS().Spreadsheet("spreadsheet").ShowRibbon(false).ShowFormulaBar(false).Sheets(sheet =>
   {
       sheet.Name("Monthly Budget").SelectedRange("D13").Rows(row =>
       {
           row.Cells(cell =>
           {
               cell.Value("Category").Style(new SpreadsheetCellStyle() { FontWeight = FontWeight.Bold, TextAlign = TextAlign.Center }).Add();
               cell.Value("Planned cost").Style(new SpreadsheetCellStyle() { FontWeight = FontWeight.Bold, TextAlign = TextAlign.Center }).Add();
               cell.Value("Actual cost").Style(new SpreadsheetCellStyle() { FontWeight = FontWeight.Bold, TextAlign = TextAlign.Center }).Add();
           }).Add();
           row.Cells(cell =>
           {
               cell.Value("Food").Add();
               cell.Value("$7000").Add();
               cell.Value("$8120").Add();
           }).Add();
           row.Cells(cell =>
           {
               cell.Value("Loan").Add();
               cell.Value("$1500").Add();
               cell.Value("$1500").Add();
           }).Add();
           row.Cells(cell =>
           {
               cell.Value("Medical").Add();
               cell.Value("$300").Add();
               cell.Value("$0").Add();
           }).Add();
           row.Cells(cell =>
           {
               cell.Value("Clothing").Add();
               cell.Value("$400").Add();
               cell.Value("$140").Add();
           }).Add();
           row.Cells(cell =>
           {
               cell.Value("Education").Add();
               cell.Value("$900").Add();
               cell.Value("$750").Add();
           }).Add();
           row.Cells(cell =>
           {
               cell.Value("Insurance").Add();
               cell.Value("$30").Add();
               cell.Value("$30").Add();
           }).Add();
           row.Cells(cell =>
           {
               cell.Value("Utilities").Add();
               cell.Value("$130").Add();
               cell.Value("$160").Add();
           }).Add();
       }).Columns(column =>
       {
           column.Width(110).Add();
           column.Width(115).Add();
           column.Width(110).Add();
           column.Width(100).Add();
       }).Add();
   }).Render()
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public IActionResult Index()
{
    return View();
}

The cell data binding also supports formula, style, number format, and more.

Dynamic data binding and Datasource change event

You can dynamically change the datasource of the spreadsheet by changing the dataSource property of the range object of the sheet. The dataSourceChanged event handler will be triggered when editing, inserting, and deleting a row in the datasource range. This event will be triggered with a parameter named action which indicates the edit, add and delete actions for the respective ones.

The following table defines the arguments of the dataSourceChanged event.

Property Type Description
action string Indicates the type of action such as edit, add, and delete performed in the datasource range.
data object[] Modified data for edit action; New data for add action; Deleted data for delete action.
rangeIndex number Specifies the range index of the datasource.
sheetIndex number Specifies the sheet index of the datasource.

For add action, the value for all the fields will be null in the data. In the case that you do not want the primary key field to be null which needs to be updated in the backend service, you can use edit action after updating the primary key field to update in the backend service.

For inserting a row at the end of the datasource range, you should insert a row below at the end of the range to trigger the dataSourceChanged event with action add.

razor
dynamicDataController.cs
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<div>
      <button id="changeDataBtn" class='e-btn'>Change Datasource</button>
</div>

@Html.EJS().Spreadsheet("spreadsheet").DataSourceChanged("dataSourceChanged").Sheets((sheet) =>
{
    sheet.Ranges((ranges) =>
    {
        ranges.DataSource(@ViewBag.DefaultData).Add();
    }).Add();
}).Render()

<div>
                        <h4><b>Event Trace</b></h4>
                        <div id="evt">
                                <div style="height:173px;overflow: auto;min-width: 250px;">
                                        <span id="EventLog" style="word-break: normal;"></span>
                                </div>
                                <button id="clearBtn" class='e-btn'>Clear</button>
                        </div>
                </div>

<script>

document.getElementById('changeDataBtn').addEventListener('click', ()=> {
    var spreadsheet = ej.base.getComponent(document.getElementById('spreadsheet'), 'spreadsheet');
    var itemData = [
            {
                'Item Name': 'Casual Shoes',
                'Date': '02/14/2019',
                'Time': '11:34:32 AM',
                'Quantity': 10,
                'Price': 20,
                'Amount': '=D2*E2',
                'Discount': 1,
                'Profit': 10
            },
            {
                'Item Name': 'Sports Shoes',
                'Date': '06/11/2019',
                'Time': '05:56:32 AM',
                'Quantity': 20,
                'Price': 30,
                'Amount': '=D3*E3',
                'Discount': 5,
                'Profit': 50
            } 
        ];
    spreadsheet.sheets[0].ranges[0].dataSource = itemData;
});

document.getElementById('clearBtn').addEventListener('click', ()=> {
    document.getElementById('EventLog').innerHTML = "";
});

function appendElement(html): void {
     var span = document.createElement("span");
     span.innerHTML = html;
     var log = document.getElementById('EventLog');
     log.insertBefore(span, log.firstChild);
}

function dataSourcechanged() {
      this.appendElement("Data source changed with" + "<b>&nbsp;" + args.action + "</b> action<hr>"
    );
}

</script>

<style>

#changeDataBtn {
    margin-bottom: 10px;
}

#EventLog b {
  color: #388e3c;
 }

#evt {
  border: 1px solid #dcdcdc;
  padding: 10px;
}

hr {
  margin-top: 0;
  margin-bottom: 0;
}

</style>
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public IActionResult Index()
        {
            List<object> data = new List<object>()
            {
                new { CustomerName= "Romona Heaslip",  Model= "Taurus",  Color= "Aquamarine",  PaymentMode= "Debit Card",  DeliveryDate= "07/11/2015",  Amount= "8529.22" },
                new { CustomerName= "Clare Batterton",  Model= "Sparrow",  Color= "Pink",  PaymentMode= "Cash On Delivery",  DeliveryDate= "7/13/2016",  Amount= "17866.19" },
                new { CustomerName= "Eamon Traise",  Model= "Grand Cherokee",  Color= "Blue",  PaymentMode= "Net Banking",  DeliveryDate= "09/04/2015",  Amount= "13853.09" },
                new { CustomerName= "Julius Gorner",  Model= "GTO",  Color= "Aquamarine",  PaymentMode= "Credit Card",  DeliveryDate= "12/15/2017",  Amount= "2338.74" },
                new { CustomerName= "Jenna Schoolfield",  Model= "LX",  Color= "Yellow",  PaymentMode= "Credit Card",  DeliveryDate= "10/08/2014",  Amount= "9578.45" },
                new { CustomerName= "Marylynne Harring",  Model= "Catera",  Color= "Green",  PaymentMode= "Cash On Delivery",  DeliveryDate= "7/01/2017",  Amount= "19141.62" },
                new { CustomerName= "Vilhelmina Leipelt",  Model= "7 Series",  Color= "Goldenrod",  PaymentMode= "Credit Card",  DeliveryDate= "12/20/2015",  Amount= "6543.30" },
                new { CustomerName= "Barby Heisler",  Model= "Corvette",  Color= "Red",  PaymentMode= "Credit Card",  DeliveryDate= "11/24/2014",  Amount= "13035.06" },
                new { CustomerName= "Karyn Boik",  Model= "Regal",  Color= "Indigo",  PaymentMode= "Debit Card",  DeliveryDate= "05/12/2014",  Amount= "18488.80" },
                new { CustomerName= "Jeanette Pamplin",  Model= "S4",  Color= "Fuscia",  PaymentMode= "Net Banking",  DeliveryDate= "12/30/2014",  Amount= "12317.04" },
                new { CustomerName= "Cristi Espinos",  Model= "TL",  Color= "Aquamarine",  PaymentMode= "Credit Card",  DeliveryDate= "12/18/2013",  Amount= "6230.13" },
                new { CustomerName= "Issy Humm",  Model= "Club Wagon",  Color= "Pink",  PaymentMode= "Cash On Delivery",  DeliveryDate= "02/02/2015",  Amount= "9709.49" },
                new { CustomerName= "Tuesday Fautly",  Model= "V8 Vantage",  Color= "Crimson",  PaymentMode= "Debit Card",  DeliveryDate= "11/19/2014",  Amount= "9766.10" },
                new { CustomerName= "Rosemaria Thomann",  Model= "Caravan",  Color= "Violet",  PaymentMode= "Net Banking",  DeliveryDate= "02/08/2014",  Amount= "7685.49" },
            };
            ViewBag.DefaultData = data;
            return View();
        }

See Also

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