定制组件可以是html字段的格式，也可以是可在页面内使用的面板的格式。

Custom components can be in the form of an HTML field or a panel that can be used within a page.

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浏览报表时，这个自定义页面通过定制相应的网址发起Web请求来调用SSRS得到报表的各页，它们是JPEG格式的96 dpi图像。

For browsing such reports, this custom page invokes SSRS through web requests by crafting appropriate urls to get individual pages of the report in JPEG format rendered using images in 96 dpi.

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