protected void BookUploadBtn_Click(object sender, EventArgs e)
    {
        string filename = "";

        if (BookUpload.FileName != null)
        {
            filename = BookUpload.FileName;
            BookUpload.SaveAs(Server.MapPath("~/LMS/Books/" + filename));
        }
        int    crsid            = int.Parse(Request.QueryString["course"]);
        string booktitle        = bookTitle.Text;
        Reference_Books_tbl rbs = new Reference_Books_tbl {
            CourseID = crsid, Reference_Book = booktitle, Description = bookdescription.Text, Book_path = filename
        };
        DBFunctions db = new DBFunctions();

        db.addbooks(rbs);
        Response.Redirect("UploadAssignments.aspx?course=" + Request.QueryString["course"] + "&tab=books");
    }
 protected void BookUploadBtn_Click(object sender, EventArgs e)
 {
     string filename = "";
     if (BookUpload.FileName != null)
     {
         filename = BookUpload.FileName;
         BookUpload.SaveAs(Server.MapPath("~/LMS/Books/" + filename));
     }
     int crsid = int.Parse(Request.QueryString["course"]);
     string booktitle = bookTitle.Text;
     Reference_Books_tbl rbs = new Reference_Books_tbl { CourseID = crsid, Reference_Book = booktitle, Description = bookdescription.Text,Book_path=filename };
     DBFunctions db = new DBFunctions();
     db.addbooks(rbs);
     Response.Redirect("UploadAssignments.aspx?course=" + Request.QueryString["course"] + "&tab=books");
 }
 public void addbooks(Reference_Books_tbl rbs)
 {
     db = new CollegeERPDBEntities();
     db.Reference_Books_tbl.Add(rbs);
     db.SaveChanges();
 }