工作需要筆記

public void alert(string msg, string url = )
    {
        string js = alert(' + msg + ');;
        if (url != )
            js += location.href=' + url + ';;
        ScriptManager.RegisterClientScriptBlock((Page)HttpContext.Current.Handler, typeof(string), js, js, true);
    }

private void 開啟遮罩()
    {
        ScriptManager.RegisterClientScriptBlock((Page)HttpContext.Current.Handler, typeof(string), "js", "openpop();", true);
        //ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "js", "openpop();", true);
    }
    private void 關閉遮罩(string msg = "")
    {
        string js = "closepop();";
        if (msg != "")
        {
            js += "alert('" + msg + "');";
        }
        ScriptManager.RegisterClientScriptBlock((Page)HttpContext.Current.Handler, typeof(string), "js", js, true);
        //ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "js", js, true);
    }