protected void Page_Load(object sender, EventArgs e)
 {
     if (!IsPostBack)
     {
         string act = Request.QueryString["act"];
         if (act == "edit")
         {
             string code = Request.QueryString["code"];
             BLibraryPro.Category CatBLL = new BLibraryPro.Category(code);
             txtCategoryName.Text = CatBLL.CategoryDesc;
             txtRemarks.Text = CatBLL.remarks;
         }
         else if (act == "del")
         {
             string code = Request.QueryString["code"];
             BLibraryPro.Category CatBLL = new BLibraryPro.Category(code);
             CatBLL.CategoryCode = code;
             CatBLL.DeleteCatagory();
             Response.Redirect("~/GUI/Setup/Category.aspx?act=list&show=1");
         }
         else if (act == "list")
         {
             if (Request.QueryString["show"] == "1")
             {
                 btnFilter_Click(sender, new EventArgs());
             }
             btnFilter_Click(sender, new EventArgs());
         }
     }
 }
        protected void btnSave_Click(object sender, EventArgs e)
        {
            string act = Request.QueryString["act"];

            BLibraryPro.Category BCatagory = new BLibraryPro.Category();
            BCatagory.CategoryDesc = txtCategoryName.Text;

            BCatagory.remarks = txtRemarks.Text;
            if (act == "add")
            {
                msgBox.Message = BCatagory.SaveCategory();
            }
            else if (act == "edit")
            {
                BCatagory.CategoryCode = Request.QueryString["code"];
                msgBox.Message = BCatagory.UpdateCategory();

            }
            else if (act == "del")
            {
                BCatagory.CategoryCode = Request.QueryString["code"];
                msgBox.Message = BCatagory.DeleteCatagory();
            }
            Response.Redirect("~/GUI/Setup/Category.aspx?act=list");
        }