private void dgvDocumenti_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
{
if (e.RowIndex < 0)
{
return;
}
try
{
Cursor.Current = Cursors.WaitCursor;
decimal idDocumento = (decimal)dgvDocumenti.Rows[e.RowIndex].Cells[0].Value;
Documenti d = new Documenti();
string filename;
byte[] bytes = d.EstraiDocumento(idDocumento, out filename);
string directory = @"c:\Preventivatore";
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
string filePath = Path.Combine(directory, filename);
FileStream fs = new FileStream(filePath, FileMode.Create, FileAccess.Write);
fs.Write(bytes, 0, bytes.Length);
fs.Flush();
fs.Close();
System.Diagnostics.Process.Start(filePath);
}
catch (Exception ex)
{
MostraEccezione("Errore in associa documento a prodotto finito", ex);
}
finally
{
Cursor.Current = Cursors.Default;
}
}
public ActionResult EstraiDocumento(decimal IdDocumento)
{
Documenti d = new Documenti();
string filename;
byte[] fileArray = d.EstraiDocumento(IdDocumento, out filename);
if (fileArray.Length == 0)
{
return(null);
}
string contentType = string.Empty;
switch (Path.GetExtension(filename).ToUpper())
{
case ".PDF":
contentType = "application/pdf";
break;
case ".JPG":
case ".JPEG":
case ".JPE":
contentType = "image/jpeg";
break;
case ".PNG":
contentType = "image/png";
break;
case ".AVI":
contentType = "video/avi";
break;
case ".PPS":
case ".PPT":
contentType = "application/mspowerpoint";
break;
case ".TIF":
case ".TIFF":
contentType = "image/tiff";
break;
case ".BMP":
contentType = "image/bmp";
break;
case ".RTF":
contentType = "application/rtf";
break;
case ".DOC":
case ".DOT":
contentType = "application/msword";
break;
case ".XLS":
case ".XLSX":
contentType = "application/excel";
break;
}
Response.AppendHeader("content-disposition", string.Format(CultureInfo.InvariantCulture, "inline; filename={0}", filename));
return(new FileStreamResult(new MemoryStream(fileArray), contentType));
}