/// <summary>
/// Opens a file dialog allowing the user to select a file.
/// </summary>
/// <returns>Path to selected file</returns>
public String SelectFile()
{
String path = "";
Stream myStream = null;
DatabaseFileHandler dfh = new DatabaseFileHandler();
OpenFileDialog openFileDialog1 = new OpenFileDialog();
openFileDialog1.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);
openFileDialog1.Filter = "All files (*.*)|*.*";
openFileDialog1.FilterIndex = 1;
openFileDialog1.RestoreDirectory = true;
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
try
{
if ((myStream = openFileDialog1.OpenFile()) != null)
{
using (myStream)
{
path = openFileDialog1.FileName;
}
}
}
catch (Exception)
{
//MessageBox.Show("Error: Could not read file from disk. Original error: " + ex.Message);
MessageBox.Show("Could not read file from disk", "File Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
return(path);
}
protected void DeleteFile_Click(object sender, EventArgs e)
{
int fileID = Int32.Parse(((LinkButton)sender).CommandArgument.ToString());
DatabaseFileHandler dfh = new DatabaseFileHandler();
dfh.DeleteFile(fileID);
HttpContext.Current.Response.Redirect(Request.RawUrl);
}
protected void Upload_Click(object sender, EventArgs e)
{
if (Request.Files.Count > 0)
{
var file = Request.Files[0];
if (file != null && file.ContentLength > 0)
{
String fileName = Path.GetFileName(file.FileName);
DatabaseFileHandler dfh = new DatabaseFileHandler();
dfh.UploadFile(Int32.Parse(Session["projectID"].ToString()), file.InputStream, fileName);
Response.Redirect(Request.RawUrl);
}
}
}
protected void NewProject_Click(object sender, EventArgs e)
{
if (projectName.Value.ToString() != "" && projectName.Value.ToString() != null && Request.Files.Count > 0)
{
Project p = new Project();
String pID = p.CreateProject(projectName.Value.ToString(), Int32.Parse(Session["uID"].ToString()));
if (Request.Files.Count > 0)
{
var file = Request.Files[0];
if (file != null && file.ContentLength > 0)
{
String fileName = Path.GetFileName(file.FileName);
DatabaseFileHandler dfh = new DatabaseFileHandler();
int i = dfh.UploadFile(Int32.Parse(pID), file.InputStream, fileName);
Project p1 = new Project();
p1.ResearcherSign(Int32.Parse(pID), Session["uID"].ToString());
Response.Redirect(Request.RawUrl);
}
}
}
}
protected void Download_Click(object sender, EventArgs e)
{
string[] args = ((LinkButton)sender).CommandArgument.ToString().Split('|');
DatabaseFileHandler dfh = new DatabaseFileHandler();
byte[] blob = dfh.GetFile(Int32.Parse(args[0]));
try
{
if (args[1].EndsWith(".xlxs") || args[1].EndsWith(".xls"))
{
Response.ContentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
}
else
{
Response.ContentType = "application/octet-stream";
}
Response.AddHeader("Content-Disposition", "attachment; filename=\"" + args[1] + "\"");
Response.OutputStream.Write(blob, 0, blob.Length);
Response.Flush();
}
catch (Exception) { }
}
