asp.net Repeater控件的说明及详细介绍及使用方法

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asp.net Repeater控件的说明及详细介绍及使用方法_PHP

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Jun 01, 2016 pm 12:19 PM

asp.netrepeatercontrol

Repeater 控件不具备内置的呈现功能，这表示用户必须通过创建模板为 Repeater 控件提供布局。当该页运行时，Repeater 控件依次通过数据源中的记录为每个记录呈现一个项。

他很简单,用起来也不够强大,但是应了那句老话,杀鸡焉用牛刀,不用牛刀那用什么呢?难道我们去把鸡咬死不成?而我们在日常应用中也常常面临这样的选择,假设我们显示教复杂的数据,可以用gridview,一般复杂的用DataList,那么简单的数据呈现呢？我们就用Repeater了，因为他简单，小巧，最主要是灵活．

　　我们上面说，他不具备内置的呈现功能，所以我们得用到一些模板来实现他的数据呈现．对了，说到呈现，我还得多句嘴，他没有给你添加静态项的功能，换句话说，他只跟数据库打交道，一般人他不跟你说话．

　　下表描述了 Repeater 控件支持的模板。
　　模板属性说明
　　ItemTemplate
　　包含要为数据源中每个数据项都要呈现一次的 HTML 元素和控件。

　　AlternatingItemTemplate
　　包含要为数据源中每个数据项都要呈现一次的 HTML 元素和控件。通常，可以使用此模板为交替项创建不同的外观，例如指定一种与在 ItemTemplate 中指定的颜色不同的背景色。

　　HeaderTemplate 和 FooterTemplate
　　包含在列表的开始和结束处分别呈现的文本和控件。

　　SeparatorTemplate
　　包含在每项之间呈现的元素。典型的示例可能是一条直线（使用 hr 元素）。

　　我们在这些模板里面定义好格式,当网页被呈现出来的时候就会比较漂亮了,当然你做得丑的话,那是不可能漂亮的了.

　　另外 Item 样版必须要定义
　　如果Repeater控件没有指定数据源，它将不显示，如果指定的数据源中没有数据，那么头，脚模板将继续显示。

　　对于这个控件我们要讲的主要有以下几点

　　1，理解该控件的几个模板
　　2，简单实用 Repeater控件实现数据读取以及呈现。
　　3，实现该控件的镶套使用
　　4，实现数据分页（我博客上以前发布的是在repeater外面利用控件分页，但是总感觉不好看，这次我们把分页放到了页脚模板　中，以使控件更为美观）
　　5，让我们的数据条目成为链接，也只有这样，他才是完整的.

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