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Export DataTable to Excel with formatting in C#, VB.NET.

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Syncfusion Excel (XlsIO) library is a .NET Excel library used to create, read, and edit Excel documents. Also, converts Excel documents to PDF files. Using this library, you can start importing or exporting data between worksheet and DataTable in C# and VB.NET.

DataTable is a memory representation of database with collection of rows and columns. Data in an existing worksheet can also be exported to data tables and CLR objects.

Syncfusion Excel (XlsIO) library supports exporting DataTable to Excel worksheet using ImportDataTable. To achieve this, first you need to load data into DataTable instance and the loaded table can be exported to Excel worksheet.

ImportDataTable feature will export DataTable to Excel with formatting. For example, if the string type contains ‘%’,’$’,’Date’, etc., gets exported with respective formatting applied on the cell.

Steps to export DataTable to Excel with formatting, programmatically:

Step 1: Create a new C# console application project.

Data table

Create a new C# console application

Step 2: Install the Syncfusion.XlsIO.WinForms NuGet package as reference to your .NET Framework application from

Graphical user interface, text, application, email

Install NuGet package

Step 3: Include the following namespace in the Program.cs file.


using Syncfusion.XlsIO;
using System.Data;



Imports Syncfusion.XlsIO


Step 4: Use the following code snippet to export DataTable to Excel with formatting in C#, VB.NET.


//Create an instance of ExcelEngine
using (ExcelEngine excelEngine = new ExcelEngine())
    //Initialize application object
    IApplication application = excelEngine.Excel;
    //Set the default application version as Excel 2016
    application.DefaultVersion = ExcelVersion.Excel2016;
    //Create a new workbook
    IWorkbook workbook = application.Workbooks.Create(1);
    //Access first worksheet from the workbook instance
    IWorksheet worksheet = workbook.Worksheets[0];
    //Exporting DataTable to worksheet
    DataTable dataTable = GetDataTable();
    worksheet.ImportDataTable(dataTable, true, 1, 1);
    //Save the workbook to disk in xlsx format



'Create an instance of ExcelEngine
Using excelEngine As ExcelEngine = New ExcelEngine()
    'Initialize application object
    Dim application As IApplication = excelEngine.Excel
    'Set the default application version as Excel 2016
    application.DefaultVersion = ExcelVersion.Excel2016
    'Create a new workbook
    Dim workbook As IWorkbook = application.Workbooks.Create(1)
    'Access first worksheet from the workbook instance
    Dim worksheet As IWorksheet = workbook.Worksheets(0)
    'Exporting DataTable to worksheet
    Dim dataTable As DataTable = GetDataTable()
    worksheet.ImportDataTable(dataTable, True, 1, 1)
    'Save the workbook to disk in xlsx format
End Using


Step 5: Load the DataTable using the following simple static method.


private static DataTable GetDataTable()
    //Create a DataTable with four columns
    DataTable table = new DataTable();
    table.Columns.Add("Dosage in %", typeof(string));
    table.Columns.Add("Drug", typeof(string));
    table.Columns.Add("Patient", typeof(string));
    table.Columns.Add("Date", typeof(DateTime));
    table.Columns.Add("Price in $", typeof(string));
    //Add five DataRows
    table.Rows.Add("25%", "Indocin", "David", DateTime.Now,"$10");
    table.Rows.Add("50%", "Enebrel", "Sam", DateTime.Now,"$15");
    table.Rows.Add("10%", "Hydralazine", "Christoff", DateTime.Now,"$20");
    table.Rows.Add("21%", "Combivent", "Janet", DateTime.Now,"$25");
    table.Rows.Add("100%", "Dilantin", "Melanie", DateTime.Now,"$30");
    return table;



Private Function GetDataTable() As DataTable
    'Create a DataTable with four columns
    Dim table As DataTable = New DataTable()
    table.Columns.Add("Dosage in %", GetType(String))
    table.Columns.Add("Drug", GetType(String))
    table.Columns.Add("Patient", GetType(String))
    table.Columns.Add("Date", GetType(DateTime))
    table.Columns.Add("Price in $", GetType(String))
    'Add five DataRows
    table.Rows.Add("25%", "Indocin", "David", DateTime.Now, "$10")
    table.Rows.Add("50%", "Enebrel", "Sam", DateTime.Now, "$15")
    table.Rows.Add("10%", "Hydralazine", "Christoff", DateTime.Now, "$20")
    table.Rows.Add("21%", "Combivent", "Janet", DateTime.Now, "$25")
    table.Rows.Add("100%", "Dilantin", "Melanie", DateTime.Now, "$30")
    Return table
End Function


A complete working example of how to export DataTable to Excel with formatting in C# and VB.NET can be downloaded from Export DataTable to Excel with

By executing the program, you will get the output Excel file as shown below.

Graphical user interface, application, table, Excel

Output Excel document

Know more about Syncfusion Excel (XlsIO) library through the documentation, where you can find supported features like importing and exporting in DataTable, appending multiple records to worksheet using Template Markers, exporting worksheet into CLR Objects etc., with respective code examples.

Refer here to explore the rich set of Syncfusion Excel (XlsIO) library features.

An online sample link to Export Data using CLR Objects.

See Also:

Export DataTable to Excel in C#, VB.NET

Create Excel from DataTable in C#, VB.NET

How to export data from Excel file to DataTable

How to export DataTable with images to Excel in C#, VB.NET?

How to preserve data types during ImportDataTable in C#, VB.NET?

How to load data from Excel file to DataGrid/DataGridView?


Starting with v16.2.0.x, if you reference Syncfusion assemblies from trial setup or from the NuGet feed, include a license key in your projects. Refer the link to learn about generating and registering Syncfusion license key in your application to use the components without trail message.



I hope you enjoyed learning about how to export DataTable to Excel with formatting using Syncfusion .NET Excel library.

You can refer to our .NET Excel library page to know about its other groundbreaking feature representations and documentation, and how to quickly get started for configuration specifications. You can also explore our .NET Excel library example to understand how to create and manipulate data.

For current customers, you can check out our components from the License and Downloads page. If you are new to Syncfusion, you can try our 30-day free trial to check out our other controls.

If you have any queries or require clarifications, please let us know in the comments section below. You can also contact us through our support forumsDirect-Trac, or feedbackportal. We are always happy to assist you!

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