protected void Button_Save_Click(object sender, EventArgs e)
    {
        int id = Convert.ToInt32(Request.QueryString["category_id"]);
        switch (Request.QueryString["action"])
        {
            case "add":
                dbCategory newCategory = new dbCategory();
                newCategory.Title = TextBox_Title.Text;
                newCategory.Description = TextBox_Description.Text;
                db.dbCategories.InsertOnSubmit(newCategory);

                db.SubmitChanges();
                break;

            case "edit":
                dbCategory editCategory = db.dbCategories.First(c => c.Id.Equals(id));
                editCategory.Title = TextBox_Title.Text;
                editCategory.Description = TextBox_Description.Text;
                db.SubmitChanges();

                Helpers.RSSSletKategori(id);

                break;
        }
        Session["Message"] = "Kategorien blev gemt";
        Response.Redirect("Categories.aspx");
    }
 partial void DeletedbCategory(dbCategory instance);
 partial void UpdatedbCategory(dbCategory instance);
 partial void InsertdbCategory(dbCategory instance);