protected void gvFiles_RowCommand(object sender, System.Web.UI.WebControls.GridViewCommandEventArgs e)
        {
            if (e.CommandName == "Del")
            {
                int index = int.Parse(e.CommandArgument.ToString());

                string fileID = ((Label)gvFiles.Rows[index].Cells[2].FindControl("lblFileName")).Text.Replace(" ", "%20");

                string filepath = workSpaceDir(lblSelectedFolder.Text.Trim()) + "\\" + ((Label)gvFiles.Rows[index].Cells[2].FindControl("lblFileName")).Text;
                ArtefactClient arClient = new ArtefactClient();
                try
                {
                    arClient.DeleteFile(NUSNetUser(), EventID(), lblSelectedFolder.Text.Trim(), fileID);

                    if (filepath.Contains("\\WorkSpace\\"))
                    {
                        if (System.IO.File.Exists(filepath))
                        {
                            System.IO.File.Delete(filepath);
                        }
                    }

                    lblMsg.Text = "File Successfully removed!";
                    loadFiles(lblSelectedFolder.Text.Trim());
                }
                catch (Exception ex)
                {
                    Alert.Show(ex.ToString());
                    lblMsg.Text = "File Failed to remove!";
                }
                finally
                {
                    arClient.Close();
                }

                //loadFiles(classId, folderID);
            }
        }
        protected void gvFiles_RowCommand(object sender, System.Web.UI.WebControls.GridViewCommandEventArgs e)
        {
            if (e.CommandName == "Del")
            {
                int index = int.Parse(e.CommandArgument.ToString());

                string fileID = ((Label)gvFiles.Rows[index].Cells[2].FindControl("lblFileName")).Text.Replace(" ", "%20");

                string filepath = workSpaceDir(lblSelectedFolder.Text.Trim()) + "\\" + ((Label)gvFiles.Rows[index].Cells[2].FindControl("lblFileName")).Text;
                ArtefactClient arClient = new ArtefactClient();
                try
                {
                    WorkspaceFiles wrkFile = arClient.GetWorkSpaceFile(NUSNetUser(), EventID(), lblSelectedFolder.Text.Trim(), fileID);

                    if (wrkFile.UploadedBy == NUSNetUser().UserID)
                    {
                        arClient.DeleteFile(NUSNetUser(), EventID(), lblSelectedFolder.Text.Trim(), fileID);

                        if (filepath.Contains("\\WorkSpace\\"))
                        {
                            if (System.IO.File.Exists(filepath))
                            {
                                System.IO.File.Delete(filepath);
                            }
                        }
                        lblMsg.Text = "File Successfully removed!";
                        txtFileDesc.Text = "";
                        txtFileURLExt.Text = "";
                        loadFiles(lblSelectedFolder.Text.Trim());
                    }
                    else
                    {
                        lblMsg.Text = "You can only delete what is belong to you!";
                    }
                }
                catch (Exception)
                {
                    lblMsg.Text = "File Failed to remove!";
                }
                finally
                {
                    arClient.Close();
                }

                //loadFiles(classId, folderID);
            }
        }