override protected void OnInit(EventArgs e)
{
}
override protected void OnLoad(System.EventArgs e)
{
base.OnLoad(e);
if (! IsPostBack)
{
UploadedFiles.DataBind();
}
}
protected string[] GetUploadList()
{
string folder = Server.MapPath("~/Uploads");
string[] files = Directory.GetFiles(folder);
string[] fileNames = new string[files.Length];
Array.Sort(files);
for (int i = 0; i < files.Length; i++)
{
fileNames[i] = Path.GetFileName(files[i]);
}
return fileNames;
}
protected void buttonUpload_Click(object sender, System.EventArgs e)
{
System.Drawing.Image image = System.Drawing.Image.FromStream(FileUpload1.PostedFile.InputStream);
string fileName = Path.Combine(Server.MapPath("~/uploads"), FileUpload1.FileName);
if (File.Exists(fileName))
File.Delete(fileName);
image.Save(fileName);
float imgWidth = image.PhysicalDimension.Width;
float imgHeight = image.PhysicalDimension.Height;
float imgSize = imgHeight > imgWidth ? imgHeight : imgWidth;
float imgResize = imgSize <= 128 ? (float)1.0 : 128 / imgSize;
imgWidth *= imgResize; imgHeight *= imgResize;
System.Drawing.Image thumb = image.GetThumbnailImage((int)imgWidth, (int)imgHeight, delegate() { return false; }, (IntPtr)0);
fileName = Path.Combine(
Server.MapPath("~/uploads"),
string.Format("{0}_th{1}",
Path.GetFileNameWithoutExtension(FileUpload1.FileName),
Path.GetExtension(FileUpload1.FileName)
)
);
if (File.Exists(fileName))
File.Delete(fileName);
thumb.Save(fileName);
UploadedFiles.DataBind();
}
protected void UploadedFiles_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
e.Cancel = true;
string fileName = ((HyperLink)UploadedFiles.Rows[e.RowIndex].FindControl("FileLink")).Text;
fileName = Path.Combine(Server.MapPath("~/uploads"), fileName);
File.Delete(fileName);
UploadedFiles.DataBind();
}