public async Task <IActionResult> OnPostAsync()
{
if (!ModelState.IsValid)
{
return(Page());
}
_context.Attach(Image).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!ImageExists(Image.Id))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToPage("./Index"));
}
//method to handle program logic after form is submitted
public async Task <IActionResult> OnPostAsync()
{
if (Request.Form.Files.Count > 0)
{
if (!ModelState.IsValid)
{
return(Page());
}
//save file to database
Image.FileName = Upload.FileName;
Image.Title = "(No Title)";
_context.Image.Add(Image);
await _context.SaveChangesAsync();
var file = Path.Combine(_environment.WebRootPath, "Uploads", Upload.FileName);
//save file to specified file system
using (var fileStream = new FileStream(file, FileMode.Create))
{
await Upload.CopyToAsync(fileStream);
ImagePath = Url.Content("~/Uploads/" + Upload.FileName);
return(RedirectToPage("./Index"));
}
}
else
{
Message = "incomplete";
return(Page());
}
}
public async Task <IActionResult> OnPostAsync(int?id)
{
if (id == null)
{
return(NotFound());
}
Image = await _context.Image.FindAsync(id);
//delete file from file system
if (Image != null)
{
_context.Image.Remove(Image);
await _context.SaveChangesAsync();
webRootPath = _environment.WebRootPath;
ImagePath = webRootPath + "/Uploads/" + Image.FileName;
System.IO.File.Delete(ImagePath);
}
return(RedirectToPage("./Index"));
}