请问,我动态创建Treeview和TreeNode后,运行为何不显示?
TreeView tv = new TreeView();
tv.ID = "TreeView1";
TreeNode firstNode = new TreeNode("日常检维修");
firstNode.Value = "日常检维修";
TreeNode secondNode = new TreeNode();
secondNode.Text = "数据录入";
secondNode.NavigateUrl = "rcjwx.aspx";
firstNode.ChildNodes.Add(secondNode);
tv.Nodes.Add(firstNode);
tv.Visible = true;但是当我拖一个TreeView到web页面,再动态添加TreeNode就好用,为什么?
TreeView tv = new TreeView();
tv.ID = "TreeView1";
TreeNode firstNode = new TreeNode("日常检维修");
firstNode.Value = "日常检维修";
TreeNode secondNode = new TreeNode();
secondNode.Text = "数据录入";
secondNode.NavigateUrl = "rcjwx.aspx";
firstNode.ChildNodes.Add(secondNode);
tv.Nodes.Add(firstNode);
tv.Visible = true;但是当我拖一个TreeView到web页面,再动态添加TreeNode就好用,为什么?
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