public void SaveItem()
        {
            if (DetailsViewEditItem.CurrentMode == DetailsViewMode.Insert)
            {
                DetailsViewEditItem.InsertItem(false);
            }
            else if (DetailsViewEditItem.CurrentMode == DetailsViewMode.Edit)
            {
                DetailsViewEditItem.UpdateItem(false);
            }

             //Save Pdf file for item
            FileUpload fuUpload = this.DetailsViewEditItem.FindControl("fuImage") as FileUpload;
            if (fuUpload != null && fuUpload.HasFile)
            {
                Stories s = new Stories();
                if (s.UpdatePdfFile(this.GroupID, this.LangCode, fuUpload.FileBytes, fuUpload.FileName))
                {
                    ImageButton btnDeletePdfFile = this.DetailsViewEditItem.FindControl("btnDeletePdfFile") as ImageButton;
                    if (btnDeletePdfFile != null)
                    {
                        btnDeletePdfFile.Visible = true;
                    }
                    Button b = this.DetailsViewEditItem.FindControl("PdfName") as Button;
                    if (b != null)
                    {
                        b.Text = fuUpload.FileName;
                        b.Visible = true;
                        b.Click += new EventHandler(GetPdfFile);
                    }
                }
            }
        }