File upload and download in angular 4 typescript

Question

How can I download (.exe file which is in root path) and Upload a file from Angular 4?
I am new to Angular4 and typescript and .NET Core Web API.

I h

Answer 1

to download file with angular try with this, it works`

download(row) {
    return this.Http
      .get(file_path , {
        responseType: ResponseContentType.Blob,
      })
      .map(res => {
        return {
          filename: row.name,
          data: res.blob()
        };
      })
      .subscribe(res => {
        let url = window.URL.createObjectURL(res.data);
        let a = document.createElement('a');
        document.body.appendChild(a);
        a.setAttribute('style', 'display: none');
        a.href = url;
        a.download = res.filename;
        a.click();
        window.URL.revokeObjectURL(url);
        a.remove();
      });
  }

`