在 TreeView 控件中显示分层数据

在 TreeView 控件中显示分层数据

ID:40639262

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时间:2019-08-05

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1、在TreeView控件中显示分层数据ASP.NET的TreeView控件旨在以分层结构将数据显示给用户。用户可以打开单独的节点,这些节点进而可以包含子节点。TreeView控件适合于显示XML数据,但可以用于任何可在层次结构中表示的数据。此演练演示使用TreeView控件的基础知识及显示分层数据的各种方式。本演练中阐释的任务包括:使用TreeView控件显示XML数据。自定义TreeView控件的显示。在TreeView控件中显示相关数据库表中的记录。先决条件若要完成本演练,您需要:MicrosoftVisualWebDeveloper(Vis

2、ualStudio)。Microsoft数据访问组件(MDAC)2.7版或更高版本。如果您使用的是MicrosoftWindowsXP或WindowsServer2003,那么您已经有了MDAC2.7。但是,如果使用MicrosoftWindows2000,您可能需要升级您计算机上已经安装的MDAC。有关更多信息,请参见MSDNLibrary中的“MicrosoftDataAccessComponents(MDAC)Installation”(Microsoft数据访问组件(MDAC)安装)。SQLServerNorthwind数据库的访问权限

3、。注意如果需要有关如何登录到运行SQLServer的计算机的信息,请联系服务器管理员。如果SQLServer数据库与Web服务器位于不同的计算机上,则需要可访问Northwind数据库的SQLServer帐户的用户名和密码。创建网站按照下面的步骤创建一个新的网站和网页。创建文件系统网站打开VisualWebDeveloper。在“文件”菜单上单击“新建”,然后单击“网站”。如果使用的是VisualWebDeveloper速成版,则在“文件”菜单上单击“新建网站”。出现“新建网站”对话框。在“VisualStudio已安装的模板”下单击“ASP.

4、NET网站”。在“位置”框中选择“文件系统”,然后输入要保存网站网页的文件夹的名称。例如,键入文件夹名“C:WebSitesHierarchicalData”。在“语言”列表中,单击您想使用的编程语言。单击“确定”。VisualWebDeveloper创建该文件夹和一个名为Default.aspx的新页。创建数据的XML文件按下列这些步骤创建新的XML文件。创建XML文件在解决方案资源管理器中,右击网站,然后单击“添加新项”。在“添加新项”对话框中,在“标准模板”下单击“XML文件”。在“名称”框中,键入“Bookstore.xml”,然后

5、单击“添加”。VisualWebDeveloper创建新的Bookstore.xml文件,并打开代码编辑器。复制下面的XML数据,然后将数据粘贴到Bookstore.xml文件中,改写文件中的已有内容。TheIliadandTheOdyssey12.95

6、ting="4">BesttranslationI'veread.Ilikeotherversionsbetter.AnthologyofWorldLiterature24.95Needsmoremodernliterature.

7、userComment>Excellentoverviewofworldliterature.ComputerDictionary24.95Avaluableresource.

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