protected override void ExtractValues(IOrderedDictionary dictionary)
{
_uploadAttribute = MetadataAttributes.GetAttribute<Entities.UploadAttribute>();
if (_uploadAttribute == null)
{
// no attribute thrw an error
throw new InvalidOperationException("FileUpload must have valid uploadAttribute applied");
}
// make sure file is valid
if (!FileUpload1.HasFile || !Page.IsValid) return;
// make sure we have the folder to upload the file to
var uploadFolder = Server.MapPath(VirtualPathUtility.AppendTrailingSlash(_uploadAttribute.UploadFolder));
if (!Directory.Exists(uploadFolder))
Directory.CreateDirectory(uploadFolder);
//resize the imge
var file = FileUpload1.PostedFile;
var bitmap = new Bitmap(file.InputStream);
var avatarBitmap = new Bitmap(bitmap, _uploadAttribute.Width, _uploadAttribute.Height);
var graphic = Graphics.FromImage(avatarBitmap);
graphic.SmoothingMode = SmoothingMode.AntiAlias;
graphic.InterpolationMode = InterpolationMode.HighQualityBicubic;
// Draw the new graphic based on the resized bitmap
graphic.DrawImage(avatarBitmap, 0, 0, _uploadAttribute.Width, _uploadAttribute.Height);
var extention = Path.GetExtension(file.FileName);
var filename = Guid.NewGuid() + extention;
var path = uploadFolder+filename;
avatarBitmap.Save(path);
bitmap.Dispose();
avatarBitmap.Dispose();
graphic.Dispose();
// upload img
// update the field with the filename
dictionary[Column.Name] = ConvertEditedValue(filename);
}
protected void Page_Load(object sender, EventArgs e)
{
CustomValidator1.Text = "*";
SetUpValidator(CustomValidator1);
// get attributes
_uploadAttribute = MetadataAttributes.GetAttribute<Entities.UploadAttribute>();
if (_uploadAttribute == null)
{
// no attribute thrw an error
throw new InvalidOperationException("FileUpload must have valid uploadAttribute applied");
}
}