This lesson explains how to set rules for business classes and their properties. These rules are validated when an end-user executes a specified operation. This lesson will guide you through implementation of a rule that requires that the Position.Ti…
This lesson explains how to set rules for business classes and their properties. These rules are validated when an end-user executes a specified operation. This lesson will guide you through implementation of a rule that requires that the Position.Ti…
In this lesson, you will learn how to check whether or not a property value satisfies a particular rule. For this purpose, the DemoTask.Status property and the MarkCompleted Action will be used. This action should not be executed if the current task…
This lesson will guide you through using the static SecuritySystem class to check whether or not a user has particular permission. The SetTask Action will be accessible to users who have permission to modify DemoTask objects. 本课将指导您使用静态安全系统类检查用户是否具有特…
什么是 PaaS?Platform as a Service 平台即服务 (PaaS) 是云中的完整开发和部署环境,你可以使用其中资源交付内容,从基于云的简单应用到启用云的复杂企业应用程序皆可.你以即用即付的方式从云服务提供商处购买所需资源,并通过安全的 Internet 连接访问这些资源. 类似 IaaS,PaaS 也包括服务器.存储空间和网络等基础结构,但它还包括中间件.开发工具.商业智能 (BI) 服务和数据库管理系统等.PaaS 旨在支持 Web 应用程序的完整生命周期:生成.测试.部署…
原文 https://stackoverflow.com/questions/28240528/how-do-i-duplicate-a-resource-reference-in-code-behind-in-wpf 如何在WPF后台代码中中复制引用的资源? In my application, I have a color resources. I have one element that uses that color as a dynamic resource in xaml. <Wi…
