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総ページ数の計算方法

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概要

Linqを使うと、あら不思議。

var pages = collection
   .Skip(itemsInPage)
   .Count()
;

ここで

  • pages: 総ページ数
  • collection: 全要素含むコレクション
  • itemsInPage: 1ページ内の要素数

説明(見たまんまだけど・・・)

Skip(itemsInPage)で各ページの先頭要素が取れるので、それを数え上げれば、ページ数っていう仕組み。

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