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Linux
Mac
Console
+ Web API
Azure
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+---
+title: Create Excel files in ASP.NET Core Web API | Syncfusion
+description: Explains how to create Excel files in ASP.NET Core Web API applications using Syncfusion XlsIO.
+platform: file-formats
+control: XlsIO
+documentation: UG
+---
+
+# Create an Excel file using ASP.NET Core Web API
+
+[Syncfusion .NET Excel library](https://www.syncfusion.com/document-processing/excel-framework/net-core/excel-library) can be used to create, read, and edit Excel documents using a Web API.
+
+## Create a simple Excel report
+
+The below steps illustrates creating a simple invoice formatted Excel document in ASP.NET Core Web API.
+
+Step 1: Create a new C# ASP.NET Core Web API project.
+
+
+
+Step 2: Add a name for the project.
+
+
+
+Step 3: Install the [Syncfusion.XlsIO.Net.Core](https://www.nuget.org/packages/Syncfusion.XlsIO.Net.Core) NuGet package as reference to your .NET Standard applications from [NuGet.org](https://www.nuget.org).
+
+
+
+N> Starting with v16.2.0.x, if you reference Syncfusion assemblies from trial setup or from the NuGet feed, you also have to add "Syncfusion.Licensing" assembly reference and include a license key in your projects. Please refer to this [link](https://help.syncfusion.com/common/essential-studio/licensing/overview) to know about registering Syncfusion license key in your applications to use our components.
+
+Step 4: Add a new API controller empty file in the project.
+
+
+
+Step 5: Include the following namespaces in the **ValuesController.cs** file.
+{% capture codesnippet1 %}
+{% tabs %}
+{% highlight c# tabtitle="C#" %}
+using Syncfusion.Drawing;
+using Syncfusion.XlsIO;
+using Microsoft.AspNetCore.Mvc;
+{% endhighlight %}
+{% endtabs %}
+{% endcapture %}
+{{ codesnippet1 | OrderList_Indent_Level_1 }}
+
+Step 6: Add a new action method CreateDocument in **ValuesController.cs** and include the below code snippet to create an Excel file and download it.
+
+{% capture codesnippet2 %}
+{% tabs %}
+{% highlight c# tabtitle="C#" %}
+[HttpGet]
+[Route("api/Excel")]
+public IActionResult CreateDocument()
+{
+ try
+ {
+ var fileDownloadName = $"Output.xlsx";
+ const string contentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
+ var stream = ExportTimecardDailyDetail();
+ stream.Position = 0;
+ return File(stream, contentType, fileDownloadName);
+ }
+ catch (Exception ex)
+ {
+ // Log or handle the exception
+ return BadRequest($"Error occurred while creating Excel file: {ex.Message}");
+ }
+}
+
+public static MemoryStream ExportTimecardDailyDetail()
+{
+ //Create an instance of ExcelEngine
+ using (ExcelEngine excelEngine = new ExcelEngine())
+ {
+ IApplication application = excelEngine.Excel;
+ application.DefaultVersion = ExcelVersion.Xlsx;
+
+ //Create a workbook
+ IWorkbook workbook = application.Workbooks.Create(1);
+ IWorksheet worksheet = workbook.Worksheets[0];
+
+ //Adding a picture
+ FileStream imageStream = new FileStream("AdventureCycles-Logo.png", FileMode.Open, FileAccess.Read);
+ IPictureShape shape = worksheet.Pictures.AddPicture(1, 1, imageStream, 20, 20);
+
+ //Disable gridlines in the worksheet
+ worksheet.IsGridLinesVisible = false;
+
+ //Enter values to the cells from A3 to A5
+ worksheet.Range["A3"].Text = "46036 Michigan Ave";
+ worksheet.Range["A4"].Text = "Canton, USA";
+ worksheet.Range["A5"].Text = "Phone: +1 231-231-2310";
+
+ //Make the text bold
+ worksheet.Range["A3:A5"].CellStyle.Font.Bold = true;
+
+ //Merge cells
+ worksheet.Range["D1:E1"].Merge();
+
+ //Enter text to the cell D1 and apply formatting.
+ worksheet.Range["D1"].Text = "INVOICE";
+ worksheet.Range["D1"].CellStyle.Font.Bold = true;
+ worksheet.Range["D1"].CellStyle.Font.RGBColor = Color.FromArgb(42, 118, 189);
+ worksheet.Range["D1"].CellStyle.Font.Size = 35;
+
+ //Apply alignment in the cell D1
+ worksheet.Range["D1"].CellStyle.HorizontalAlignment = ExcelHAlign.HAlignRight;
+ worksheet.Range["D1"].CellStyle.VerticalAlignment = ExcelVAlign.VAlignTop;
+
+ //Enter values to the cells from D5 to E8
+ worksheet.Range["D5"].Text = "INVOICE#";
+ worksheet.Range["E5"].Text = "DATE";
+ worksheet.Range["D6"].Number = 1028;
+ worksheet.Range["E6"].Value = "12/31/2018";
+ worksheet.Range["D7"].Text = "CUSTOMER ID";
+ worksheet.Range["E7"].Text = "TERMS";
+ worksheet.Range["D8"].Number = 564;
+ worksheet.Range["E8"].Text = "Due Upon Receipt";
+
+ //Apply RGB backcolor to the cells from D5 to E8
+ worksheet.Range["D5:E5"].CellStyle.Color = Color.FromArgb(42, 118, 189);
+ worksheet.Range["D7:E7"].CellStyle.Color = Color.FromArgb(42, 118, 189);
+
+ //Apply known colors to the text in cells D5 to E8
+ worksheet.Range["D5:E5"].CellStyle.Font.Color = ExcelKnownColors.White;
+ worksheet.Range["D7:E7"].CellStyle.Font.Color = ExcelKnownColors.White;
+
+ //Make the text as bold from D5 to E8
+ worksheet.Range["D5:E8"].CellStyle.Font.Bold = true;
+
+ //Apply alignment to the cells from D5 to E8
+ worksheet.Range["D5:E8"].CellStyle.HorizontalAlignment = ExcelHAlign.HAlignCenter;
+ worksheet.Range["D5:E5"].CellStyle.VerticalAlignment = ExcelVAlign.VAlignCenter;
+ worksheet.Range["D7:E7"].CellStyle.VerticalAlignment = ExcelVAlign.VAlignCenter;
+ worksheet.Range["D6:E6"].CellStyle.VerticalAlignment = ExcelVAlign.VAlignTop;
+
+ //Enter value and applying formatting in the cell A7
+ worksheet.Range["A7"].Text = " BILL TO";
+ worksheet.Range["A7"].CellStyle.Color = Color.FromArgb(42, 118, 189);
+ worksheet.Range["A7"].CellStyle.Font.Bold = true;
+ worksheet.Range["A7"].CellStyle.Font.Color = ExcelKnownColors.White;
+
+ //Apply alignment
+ worksheet.Range["A7"].CellStyle.HorizontalAlignment = ExcelHAlign.HAlignLeft;
+ worksheet.Range["A7"].CellStyle.VerticalAlignment = ExcelVAlign.VAlignCenter;
+
+ //Enter values in the cells A8 to A12
+ worksheet.Range["A8"].Text = "Steyn";
+ worksheet.Range["A9"].Text = "Great Lakes Food Market";
+ worksheet.Range["A10"].Text = "20 Whitehall Rd";
+ worksheet.Range["A11"].Text = "North Muskegon,USA";
+ worksheet.Range["A12"].Text = "+1 231-654-0000";
+
+ //Create a Hyperlink for e-mail in the cell A13
+ IHyperLink hyperlink = worksheet.HyperLinks.Add(worksheet.Range["A13"]);
+ hyperlink.Type = ExcelHyperLinkType.Url;
+ hyperlink.Address = "Steyn@greatlakes.com";
+ hyperlink.ScreenTip = "Send Mail";
+
+ //Merge column A and B from row 15 to 22
+ worksheet.Range["A15:B15"].Merge();
+ worksheet.Range["A16:B16"].Merge();
+ worksheet.Range["A17:B17"].Merge();
+ worksheet.Range["A18:B18"].Merge();
+ worksheet.Range["A19:B19"].Merge();
+ worksheet.Range["A20:B20"].Merge();
+ worksheet.Range["A21:B21"].Merge();
+ worksheet.Range["A22:B22"].Merge();
+
+ //Enter details of products and prices
+ worksheet.Range["A15"].Text = " DESCRIPTION";
+ worksheet.Range["C15"].Text = "QTY";
+ worksheet.Range["D15"].Text = "UNIT PRICE";
+ worksheet.Range["E15"].Text = "AMOUNT";
+ worksheet.Range["A16"].Text = "Cabrales Cheese";
+ worksheet.Range["A17"].Text = "Chocos";
+ worksheet.Range["A18"].Text = "Pasta";
+ worksheet.Range["A19"].Text = "Cereals";
+ worksheet.Range["A20"].Text = "Ice Cream";
+ worksheet.Range["C16"].Number = 3;
+ worksheet.Range["C17"].Number = 2;
+ worksheet.Range["C18"].Number = 1;
+ worksheet.Range["C19"].Number = 4;
+ worksheet.Range["C20"].Number = 3;
+ worksheet.Range["D16"].Number = 21;
+ worksheet.Range["D17"].Number = 54;
+ worksheet.Range["D18"].Number = 10;
+ worksheet.Range["D19"].Number = 20;
+ worksheet.Range["D20"].Number = 30;
+ worksheet.Range["D23"].Text = "Total";
+
+ //Apply number format
+ worksheet.Range["D16:E22"].NumberFormat = "$.00";
+ worksheet.Range["E23"].NumberFormat = "$.00";
+
+ //Apply incremental formula for column Amount by multiplying Qty and UnitPrice
+ application.EnableIncrementalFormula = true;
+ worksheet.Range["E16:E20"].Formula = "=C16*D16";
+
+ //Formula for Sum the total
+ worksheet.Range["E23"].Formula = "=SUM(E16:E22)";
+
+ //Apply borders
+ worksheet.Range["A16:E22"].CellStyle.Borders[ExcelBordersIndex.EdgeTop].LineStyle = ExcelLineStyle.Thin;
+ worksheet.Range["A16:E22"].CellStyle.Borders[ExcelBordersIndex.EdgeBottom].LineStyle = ExcelLineStyle.Thin;
+ worksheet.Range["A16:E22"].CellStyle.Borders[ExcelBordersIndex.EdgeTop].Color = ExcelKnownColors.Grey_25_percent;
+ worksheet.Range["A16:E22"].CellStyle.Borders[ExcelBordersIndex.EdgeBottom].Color = ExcelKnownColors.Grey_25_percent;
+ worksheet.Range["A23:E23"].CellStyle.Borders[ExcelBordersIndex.EdgeTop].LineStyle = ExcelLineStyle.Thin;
+ worksheet.Range["A23:E23"].CellStyle.Borders[ExcelBordersIndex.EdgeBottom].LineStyle = ExcelLineStyle.Thin;
+ worksheet.Range["A23:E23"].CellStyle.Borders[ExcelBordersIndex.EdgeTop].Color = ExcelKnownColors.Black;
+ worksheet.Range["A23:E23"].CellStyle.Borders[ExcelBordersIndex.EdgeBottom].Color = ExcelKnownColors.Black;
+
+ //Apply font setting for cells with product details
+ worksheet.Range["A3:E23"].CellStyle.Font.FontName = "Arial";
+ worksheet.Range["A3:E23"].CellStyle.Font.Size = 10;
+ worksheet.Range["A15:E15"].CellStyle.Font.Color = ExcelKnownColors.White;
+ worksheet.Range["A15:E15"].CellStyle.Font.Bold = true;
+ worksheet.Range["D23:E23"].CellStyle.Font.Bold = true;
+
+ //Apply cell color
+ worksheet.Range["A15:E15"].CellStyle.Color = Color.FromArgb(42, 118, 189);
+
+ //Apply alignment to cells with product details
+ worksheet.Range["A15"].CellStyle.HorizontalAlignment = ExcelHAlign.HAlignLeft;
+ worksheet.Range["C15:C22"].CellStyle.HorizontalAlignment = ExcelHAlign.HAlignCenter;
+ worksheet.Range["D15:E15"].CellStyle.HorizontalAlignment = ExcelHAlign.HAlignCenter;
+
+ //Apply row height and column width to look good
+ worksheet.Range["A1"].ColumnWidth = 36;
+ worksheet.Range["B1"].ColumnWidth = 11;
+ worksheet.Range["C1"].ColumnWidth = 8;
+ worksheet.Range["D1:E1"].ColumnWidth = 18;
+ worksheet.Range["A1"].RowHeight = 47;
+ worksheet.Range["A2"].RowHeight = 15;
+ worksheet.Range["A3:A4"].RowHeight = 15;
+ worksheet.Range["A5"].RowHeight = 18;
+ worksheet.Range["A6"].RowHeight = 29;
+ worksheet.Range["A7"].RowHeight = 18;
+ worksheet.Range["A8"].RowHeight = 15;
+ worksheet.Range["A9:A14"].RowHeight = 15;
+ worksheet.Range["A15:A23"].RowHeight = 18;
+
+ //Saving the Excel to the MemoryStream
+ MemoryStream stream = new MemoryStream();
+ workbook.SaveAs(stream);
+
+ //Set the position as '0'.
+ stream.Position = 0;
+
+ return stream;
+ }
+}
+{% endhighlight %}
+{% endtabs %}
+{% endcapture %}
+{{ codesnippet2 | OrderList_Indent_Level_1 }}
+
+A complete working example of how to create an Excel file using ASP.NET Core Web API in C# is present on [this GitHub page](https://github.com/SyncfusionExamples/XlsIO-Examples/tree/master/Getting%20Started/ASP.NET%20Core%20Web%20API/Create%20Excel).
+
+## Steps for accessing the Web API using HTTP requests
+
+Step 1: Create a console application.
+
+
+Step 2: Add a name for the application.
+
+
+Step 3: Add the below code snippet in the **Program.cs** file for accessing the Web API using HTTP requests.
+
+{% capture codesnippet3 %}
+{% tabs %}
+{% highlight c# tabtitle="C#" %}
+// Create an HttpClient instance
+using (HttpClient client = new HttpClient())
+{
+ try
+ {
+ // Send a GET request to a URL
+ HttpResponseMessage response = await client.GetAsync("https://localhost:7000/api/Values/api/Excel");
+
+ // Check if the response is successful
+ if (response.IsSuccessStatusCode)
+ {
+ // Read the content as a string
+ Stream responseBody = await response.Content.ReadAsStreamAsync();
+ FileStream fileStream = File.Create("Output.xlsx");
+ responseBody.CopyTo(fileStream);
+ fileStream.Close();
+ }
+ else
+ {
+ Console.WriteLine($"HTTP error status code: {response.StatusCode}");
+ }
+ }
+ catch (HttpRequestException e)
+ {
+ Console.WriteLine($"Request exception: {e.Message}");
+ }
+}
+{% endhighlight %}
+{% endtabs %}
+{% endcapture %}
+{{ codesnippet3 | OrderList_Indent_Level_1 }}
+
+
+A complete working example of how to create a client application for accessing the Web API using HTTP requests in C# is present on [this GitHub page](https://github.com/SyncfusionExamples/XlsIO-Examples/tree/master/Getting%20Started/ASP.NET%20Core%20Web%20API/Client%20Application).
+
+By executing the program, you will get the Excel file as below.
+
+
+Click [here](https://www.syncfusion.com/document-processing/excel-framework/net-core) to explore the rich set of Syncfusion Excel library (XlsIO) features.
+
+An online sample link to [create an Excel document](https://ej2.syncfusion.com/aspnetcore/Excel/Create#/material3) in ASP.NET Core.
+