首先说明这一切都是从头开始的,你如果安装了TreeView的话请先卸载掉,卸载方法:
1,在vs.net2003的工具箱中把想关的TreeView控件删除。
2,删除wwwroot目录下的webctrl_client目录,如果有的话
3,删除c:\program files下的ie web controls目录
安装方法:
1,下载,双击exe文件运行,其实是解压缩啊
2,找到c:\program files下的ie web controls目录下的src文件夹。寻找BaseRichControl.cs文件,用文本编辑器如editplus编辑他,找到52行:
private const string DefaultCommanFilesRoot = "/webctrl_client/";
把其中的路径修改成你想要的路径,我是这样修改的
private const string DefaultCommanFilesRoot = "webctrl_client/";
第二步在wwwroot目录下不做
,这一步相当重要,因为如果你不修改的话,他默认的路径是你wwwroot目录下的webctrl_client文件夹,一旦我这样修改了,他默认的路径就是我虚拟目录下的webctrl_client文件夹而不是wwwroot下的,即使我们把虚拟目录上传到服务器也没问题。当然,首先你要把这文件的只读属性去掉,改好后再改回来就是
3,开始---程序--Microsoft Visual Studio.NET 2003------Visual Studio.NET工具----Visual Studio.NET2003命令提示,进入dos状态。我们用cd命令进入c:\program files\ie web \controls目录,输入build.bat,系统就会开始编译,完成后退出
4,在你需要使用TreeView组件的虚拟根目录下新建一文件夹webctrl_client,再在webctrl_client目录下新建一文件夹1_0,把c:\program files\ie web controls\build\Runtime目录下(是目录下而不是Runtime目录)的所有文件拷贝到1_0文件夹下。
5,运行vs.net2003,右击工具箱,选“添加/移除项”,弹出“自定义工具箱”,选Net.FrameWork组件页,点浏览,找到才:c:\program files\ie web controls\build\MicRosoft.Web.UI.WebControls.dll文件,点确定,再确定。,这样就把TreeView加入到了工具箱里面
6,在你的项目的资源管理器中把webctrl_client包括在项目中
7。一切搞顶
1、执行安装文件后,在安装目录找到 “build.bat”文件,用记事本将其打开。把“csc.exe”换成绝对路径“C:\WINNT\Microsoft.NET\Framework\v1.1.4322\csc.exe”。保存后执行(记得把“只读”属性去掉)。
2、编译完成后,在安装目录下可以看到“build”活页夹﹐把该目录下的“Runtime”子目录里所有文件复制到“C:\Inetpub\wwwroot\webctrl_client\1_0”(若没有,则自行创建。注意,在 IIS 中新建站点的话,必须把“webctrl_client”目录复制到站点根目录下)
三、 在 VS.NET 中使用
1、 打开 VS.NET → 右击“工具箱”→ 添加/删除项目 → 浏览 → 选中上述编译的文件“Microsoft.Web.UI.WebControls.dll”→ 确认后即可看到添加的“TreeView”控件
2、 将“TreeView”控件拖入页面 → 属性 → 节点(Node)→ 添加根节点(或添加子节点)
四、 从数据库读取节点信息
保存节点信息的 Table 基本结构为
1、全部读取并一次性展现
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2、 展开节点时读取该节点的数据
TreeView 控件属性→ 自动提交(AutoPostBack) → True
TreeView 控件属性→ 事件 → 双击展开(Expand)
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五、 修改“TreeView.cs”源码,取消 TreeView 默认选中节点
1、TreeView.cs 文件
在文中﹐找到 “ protected override void OnLoad(EventArgs e)”事件
“ protected override void OnPreRender(EventArgs e)” 事件,修改以下代码
if ((SelectedNodeIndex == "" || SelectedNodeIndex == String.Empty) && Nodes.Count > 0)
//SelectedNodeIndex = "0"; //修改前
SelectedNodeIndex = ""; //修改后
2、TreeView.htc 文件
在“C:\Inetpub\wwwroot\webctrl_client\1_0\ TreeView.htc”中找到“function ondocumentready()”把以下代码注释掉
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在“function tryToBuildTreeFromRoot()”修改以下代码
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3、使用
修改“TreeView.cs”后,重新编译一次,生成新的“Microsoft.Web.UI.WebControls.dll”。应用时只需要设置“SelectedNodeIndex”为 “” 即可
this.TreeView1.SelectedNodeIndex=""; //不选中任何节点。
六、 使用 XML 文档创建 TreeView
1、XML 文档的要求
a) 描述节点名称是固定的“”与“”
b) 虽然 XML 文文件对字母的大小写严格区分,但绑定时会忽略
c) “”节点中的属性,必须与 TreeView 控件中的 TreeNode 属性对应
d) “”节点中的文本不能写在节点内,只能以 “Text”属性出现,如“Node01”行不通,应为“”
以下是一个可用于“TreeView”控件绑定源的范例﹕
2、绑定的代码
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