复制代码 代码如下:
#middle{ top:0; left:0;background-color:#fff; position:absolute; z-index:2; filter:alpha(opacity=60); display:none;}
#showTree{ width:300px; height:200px; position:fixed; z-index:2; display:none; border:1px solid red;}
后台代码：
复制代码 代码如下:
public partial class newpage_Default2 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
this.TreeView1.Attributes.Add("onclick", "return TreeViewClick()");//增加特性，实现无自动回传
}
protected void Button1_Click(object sender, EventArgs e)
{
this.TextBox1.Text = this.HiddenField1.Value;
}
}
