In ASP.NET 1.x, the spawned page can access the page object representing its caller by using the Handler property of the HTTP context object, as shown here.

对于ASP.NET 1 . x，可以通过使用http上下文的Handler属性获取调用对象，象下面所示。

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It first calls the restorer, which cleans up all the click-and-drag handlers, and then it calls the original onmouseup handler that the caller supplied.

它首先调用还原器，以清除所有的点击-拖动处理程序，然后调用调用者提供的原始的onmouseup处理程序。

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If the previous method also has no exception handler, the exception is propagated back to that method's caller, and so on.

如果前一个方法也没有异常处理程序，则异常被传播回该方法的调用方，依此类推。

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