Create, read, and edit Excel files in ASP.NET
29 Nov 202424 minutes to read
Syncfusion Excel library for ASP.NET platform can be used to create, read, edit Excel files. This also convert Excel files to PDF.
Create a simple Excel report
The below steps illustrates creating an simple Invoice formatted Excel document in ASP.NET.
Step 1: Create a new ASP.NET Web application project.
Step 2: Install the Syncfusion.XlsIO.AspNet NuGet package as reference to your .NET Framework application from NuGet.org.
NOTE
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 to know about registering Syncfusion® license key in your applications to use our components.
Step 3: Add a new Web Form in ASP .NET project. Right click on the project and select Add > New Item and add a Web Form from the list. Name it as MainPage.
Step 4: Add a new button in the MainPage.aspx as shown below.
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Button ID="Button1" runat="server" Text="Create Document" OnClick="OnButtonClicked" />
</div>
</form>
</body>
</html>Step 5: Include the following namespace in your MainPage.aspx.cs file.
using Syncfusion.XlsIO;
using System.Drawing;Imports Syncfusion.XlsIO
Imports System.DrawingStep 6: Include the below code snippet in the click event of the button in MainPage.aspx.cs, to create an Excel file and download it
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];
//Add a picture
IPictureShape shape = worksheet.Pictures.AddPicture(1, 1, Server.MapPath("App_Data/AdventureCycles-Logo.png"), 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 = "$0.00";
worksheet.Range["E23"].NumberFormat = "$0.00";
//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;
//Save the workbook to disk in xlsx format
workbook.SaveAs("Output.xlsx", Response, ExcelDownloadType.Open, ExcelHttpContentType.Excel2016);
}'Create an instance of ExcelEngine
Using excelEngine As ExcelEngine = New ExcelEngine()
Dim application As IApplication = excelEngine.Excel
application.DefaultVersion = ExcelVersion.Xlsx
'Create a workbook
Dim workbook As IWorkbook = application.Workbooks.Create(1)
Dim worksheet As IWorksheet = workbook.Worksheets(0)
'Adding a picture
Dim shape As IPictureShape = worksheet.Pictures.AddPicture(1, 1, Server.MapPath("App_Data/AdventureCycles-Logo.png"), 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 back color 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
Dim hyperlink As IHyperLink = 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 = "$0.00"
worksheet.Range("E23").NumberFormat = "$0.00"
'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
'Save and download the Excel file
workbook.SaveAs("Output.xlsx", Response, ExcelDownloadType.Open, ExcelHttpContentType.Excel2016)
End UsingA complete working example of how to create an Excel file in ASP.NET in C# is present on this GitHub page.
By executing the program, you will get the Excel file as below.
Read and Edit Excel file
The below code snippet illustrates how to read and edit an Excel file in ASP.NET Web Forms.
//Create an instance of ExcelEngine
using (ExcelEngine excelEngine = new ExcelEngine())
{
//Instantiate the Excel application object
IApplication application = excelEngine.Excel;
//Set the default application version
application.DefaultVersion = ExcelVersion.Xlsx;
//Load the existing Excel workbook into IWorkbook
IWorkbook workbook = application.Workbooks.Open(Server.MapPath("App_Data/Sample.xlsx"));
//Get the first worksheet in the workbook into IWorksheet
IWorksheet worksheet = workbook.Worksheets[0];
//Assign some text in a cell
worksheet.Range["A3"].Text = "Hello World";
//Access a cell value from Excel
var value = worksheet.Range["A1"].Value;
//Save the Excel document
workbook.SaveAs("Output.xlsx", Response, ExcelDownloadType.PromptDialog, ExcelHttpContentType.Excel2016);
}'Create an instance of ExcelEngine
Using excelEngine As ExcelEngine = New ExcelEngine()
'Instantiate the excel application object
Dim application As IApplication = excelEngine.Excel
'Set the default application version
application.DefaultVersion = ExcelVersion.Xlsx
'Load the existing Excel workbook into IWorkbook
Dim workbook As IWorkbook = application.Workbooks.Open(Server.MapPath("App_Data/Sample.xlsx"))
'Get the first worksheet in the workbook into IWorksheet
Dim worksheet As IWorksheet = workbook.Worksheets(0)
'Assign some text in a cell
worksheet.Range("A3").Text = "Hello World"
'Access a cell value from Excel
Dim value As var = worksheet.Range("A1").Value
'Save the Excel document
workbook.SaveAs("Output.xlsx", Response, ExcelDownloadType.PromptDialog, ExcelHttpContentType.Excel2016)
End UsingA complete working example of how to read and edit an Excel file in ASP.NET in C# is present on this GitHub page.
Click here to explore the rich set of Syncfusion® Excel library (XlsIO) features.
An online sample link to create an Excel document in ASP.NET Core.