Learn how to use the ClosedXML NuGet package to export data as a CSV or XLSX file for Excel from an ASP.NET Core application. When building web applications, you will often need to import or ...

Then select the Web API ASP.NET project type, as seen in Figure 2. [Click on image for larger view.] Figure 2. Selecting the Web API ASP.NET project type. The first step is to set up the data access ...