我从 XML 文件加载了一个树视图数据.我想在用户在文本框中键入内容时执行搜索.这是正确的做法吗??我只想过滤数据.请给我举个例子.
I got a treeview data loaded from a XML file. I want to perform a search when the user types something in the textbox. Is that the right way of doing it?? I just want to filter the data. Please show me some example.
以下代码无效.
textBox1.Enter += new EventHandler(txtSearch_TextChanged); private void txtSearch_TextChanged(object sender, EventArgs e) { foreach (TreeNode node in this.treeView1.Nodes) { if (node.Text.ToUpper().Contains(this.textBox1.Text.ToUpper())) { treeView1.SelectedNode = node; break; } } 推荐答案您需要注册文本更改事件:msdn.microsoft/en-us/library/system.web.ui.webcontrols.textbox.textchanged.aspx
you need to register to the text changed event: msdn.microsoft/en-us/library/system.web.ui.webcontrols.textbox.textchanged.aspx
以及查找特定节点使用:
and for finding the specific node use:
treeView1.Nodes.Find()此处的模式详细信息:msdn.microsoft/en-us/library/system.windows.forms.treenodecollection.find