I am trying to download an Excel document to a client browser. I used to use the following, but ContentDisposition.Attachment is no longer valid in .Net Core. I am using .Net Core 6. I’ve just spent a couple of hours try…...Cells Product Family cells-net FireWave May 10, 2023, 11:15pm...longer valid in .NET Core. I am using .NET Core 6. I’ve just spent...