Determine whether the request comes as a postback.
判断请求是否是postback。
Execute any code associated with the postback event.
执行与postback事件相关的所有代码。
During postback, Seam automatically detects the pairing.
在回发期间，Seam自动检测该配对。
Flexible and easy to use form generation and postback handling
灵活和易于使用的表单生成功能和Postback处理
A postback event to open or select the item.
用于打开或选择菜单项的回发事件。
Methods for rendering control postback events.
呈现控制项传回事件的方法。
Returns a string to use in a client event to cause postback to the server.
返回一个在客户端事件中使用的字符串，以便回发到服务器。
Browsers, by default, will postback if the form doesn't contain an action attribute.
默认情况下，如果窗体不包含操作属性，浏览器将会回发。
Wait three minutes, and then refresh the page, causing a postback event to occur.
等待三分钟，然后刷新页面，使回发事件发生。
Returns a string that can be used in a client event to cause postback to the server.
返回一个可以在客户端事件中使用的字符串，以便回发到服务器。
This property works just like IsPostBack but returns true when a cross-page postback has occurred.
这个属性类似现有的IsPostBack但是只有跨页投递发生时返回true。
Note that although the cache is updated, the time displayed on the page does not change until a postback event occurs.
请注意，虽然已更新缓存，但页面上显示的时间在回发事件发生之前仍将保持不变。
Even worse, the situation continues to degrade upon postback, at which time additional redundant database calls may be made.
更糟的是，回发时情况会恶化，此时可能发生额外的冗余数据库调用。
For instance, you might want to read information from a database the first time a page is displayed, but not on every postback.
例如，您可能想要在第一次显示页面(而不是在每次回发)时从数据库读取信息。
In ASP.NET pages, a single form can post to itself, and the model provides for generalized control state management and postback events.
对于ASP.NET页面，Form可以提交自身，并且ASP.NET模型提供了控件状态管理和postback事件。
This phase of the lifecycle presents three view instances: new view, initial view, and postback, with each one being handled differently.
生命周期的这个阶段表示为三个视图实例：新视图、原始视图和后视图，每个视图的处理方式都不相同。
NET mobile controls, the page adapter must persist this string to the client and ensure that it is available on a subsequent postback.
NET移动控件，页适配器必须将该字符串保持到客户端，并确保它在后面的回发中可用。
You will also likely find, if you are already well versed in ASP.NET, that you will continue to use the standard page postback model most often.
您很可能也会发现，如果您很精通asp.net，那么您大多数时候仍会继续使用标准的页面回发模型。
Gets a value indicating whether the page is being loaded in response to a client postback, or if it is being loaded and accessed for the first time.
中文意思就是说获取一个值，该值指示该页是否正为响应客户端回发而加载，或者它是否正被首次加载和访问。
Gets a value indicating whether the page is being loaded in response to a client postback, or if it is being loaded and accessed for the first time.
中文意思就是说获取一个值，该值指示该页是否正为响应客户端回发而加载，或者它是否正被首次加载和访问。
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