protected void Page_Load(object sender, EventArgs e)
    {
        ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "txtCode_PostBack", BarcodeBLL.JScript4Postback(), true);

        if (Request.Url.ToString().ToLower().Contains("default") ||
            Request.Url.ToString().ToLower().Contains("din.aspx"))
        {
        }
        else
        {
            txtMasterCode.Focus();
        }
    }