CODEWITHSUNDEEP
asp.net-corerazor-pages
John
John

Reputation: 13

Microsoft WebHelpers with NETCore.App (2.1)

I'm trying to get the below code to work, but I keep getting compatibility problems with Microsoft.Web.Helpers v 3.2.6 and my current SDK package of NETCore 2.1. Also, for the life of me, I can't get the simplest calls of IsPost and Request to be recognized. I'm sure it's an obvious fix, but I can't find it!

Thanks in Advance for any direction...

@using Microsoft.Web.Helpers;
@{
    var fileName = "";
    if (IsPost) {
        var fileSavePath = "";
        var uploadedFile = Request.Files[0];
        fileName = Path.GetFileName(uploadedFile.FileName);
        fileSavePath = Server.MapPath("~/App_Data/UploadedFiles/" +
          fileName);
        uploadedFile.SaveAs(fileSavePath);
    }
}
<!DOCTYPE html>
<html>
    <head>
    <title>FileUpload - Single-File Example</title>
    </head>
    <body>
    <h1>FileUpload - Single-File Example</h1>
    @FileUpload.GetHtml(
        initialNumberOfFiles:1,
        allowMoreFilesToBeAdded:false,
        includeFormTag:true,
        uploadText:"Upload")
    @if (IsPost) {
        <span>File uploaded!</span><br/>
    }
    </body>
</html>

Upvotes: 1

Views: 2687

Answers (1)

Mike Brind
Mike Brind

Reputation: 30075

The WebHelpers library is not compatible with ASP.NET Core. It relies on System.Web, which .NET Core has been designed to move away from.

The replacement for the IsPost block is a handler method. By convention, a handler method named OnPost will be executed if the method used to request the page is POST (which is what the IsPost property used to check).

Personally, I never understood the point of the FileUpload helper unless you wanted to allow the user to add additional file uploads to the page (which you clearly don't in this case). An input type="file" is easier to add to a page.

File uploading in ASP.NET Core is completely different to Web Pages. Here's some guidance on it: https://www.learnrazorpages.com/razor-pages/forms/file-upload

Upvotes: 2

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