Download Excel document in Azure

7 mins read

Syncfusion Excel (XlsIO) library is a .NET Excel library used to create, read, and edit Excel documents. Using this library, you can create and download Excel document in Azure platform.

Steps to download Excel document in Azure platform programmatically:

Prerequisites:

Visual studio 2017 with Azure development.
An Azure subscription or a free account.

Step 1: Create a new ASP.NET Web application project and add code snippet to create Excel using XlsIO

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Create a new ASP.NET web application

1. Install Syncfusion.XlsIO.Base NuGet package as a reference to your .NET Framework applications from the NuGet.org.

Add XlsIO reference to the project

Install NuGet package

2. 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.

3. Add a new button in the MainPage.aspx as shown below.

CSHTML

<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>

4. Include the following namespace in your MainPage.aspx.cs file.

using Syncfusion.XlsIO;

VB.NET

Imports Syncfusion.XlsIO

5. Include the below code snippet in the click event of the button in MainPage.aspx.cs, to create an Excel file and download it.

//Create an instance of ExcelEngine
using (ExcelEngine excelEngine = new ExcelEngine())
{
  //Set the default application version as Excel 2016
  excelEngine.Excel.DefaultVersion = ExcelVersion.Excel2016;
 
  //Create a workbook with a worksheet
  IWorkbook workbook = excelEngine.Excel.Workbooks.Create(1);
 
  //Access first worksheet from the workbook instance
  IWorksheet worksheet = workbook.Worksheets[0];
 
  //Insert sample text into cell “A1”
  worksheet.Range["A1"].Text = "Hello World";
 
  //Save the workbook to disk in xlsx format
  workbook.SaveAs("Output.xlsx", Response, ExcelDownloadType.Open, ExcelHttpContentType.Excel2016);
}

VB.NET

'Create an instance of ExcelEngine
Using excelEngine As ExcelEngine = New ExcelEngine
 
  'Set the default application version as Excel 2016
  excelEngine.Excel.DefaultVersion = ExcelVersion.Excel2016
 
   'Create a workbook with a worksheet
  Dim workbook As IWorkbook = excelEngine.Excel.Workbooks.Create(1)
 
  'Access first worksheet from the workbook instance
  Dim worksheet As IWorksheet = workbook.Worksheets(0)
 
  'Insert sample text into cell “A1”
  worksheet.Range("A1").Text = "Hello World"
 
  'Save the workbook to disk in xlsx format
  workbook.SaveAs("Output.xlsx", ExcelSaveType.SaveAsXLS, Response, ExcelDownloadType.PromptDialog)
 
End Using

Step 2: Publish the Application to Azure

In the Solution Explorer, right-click on the project name and select Publish.

Publish via Solution Explorer

Or we can go to Build Menu and select Publish myASPApp (your_project_name) to open Publish page.

Publish via Build Menu

Now select the Microsoft Azure App Service, make sure Create New option is selected and then select Publish.

Publish via Microsoft Azure App Service

This opens a Create App Service dialog, where we can add all the necessary resources required to run the application in Azure.

Step 3: Sign in to Azure account

In the Create App Service dialog, select Add an account, and sign in to the Azure subscription. If you're already signed in, select the account containing the desired subscription from the dropdown.

Step 4: Create a resource group

A resource group is a logical container into which Azure resources like web apps, databases, and storage accounts are deployed and managed.

Next to Resource Group, select New.

Provide a name for the Resource Group and select OK.

Create a resource group

Step 5: Create an App Service plan

An App Service plan specifies the location, size, and features of the web server farm that hosts your app.

Next to App Service Plan, select New.

In the Configure App Service Plan dialog, update the details as per the requirements and Select

Create and configure an App Service Plan

Step 6: Create and publish the web app

In Web App Name, type a unique app name or accept the automatically generated unique name. The URL of the web app is http://<app_name>.azurewebsites.net, where <app_name> is your web app name.

Select Create to start creating the Azure resources.

Create Azure resources

Now the application is being deployed to Azure.

Deploying to Azure

Once the deployment completes, it publishes the ASP.NET web application to Azure, and then launches the app in the default browser.

Please make use of the below sample to download Excel document in Azure platform.

Sample link:

https://www.syncfusion.com/downloads/support/directtrac/general/ze/SampleAspWebApp-1669710728.zip

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