After upgrade the Azure Configuration Manager, you need to remove FileMode in HomeContoller.csc //await blob.UploadFromFileAsync(files[i].FileName, FileMode.Open); await blob.UploadFromFileAsync(files[i].FileName);
After upgrade the Azure Configuration Manager, you need to remove FileMode in HomeContoller.csc
//await blob.UploadFromFileAsync(files[i].FileName, FileMode.Open);
await blob.UploadFromFileAsync(files[i].FileName);