我有TextBox
和treeview
喜欢,
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:TextBox ID="txtName" runat="server" Width="150px" ReadOnly="true"
BorderStyle="Double">
</asp:TextBox>
</ContentTemplate>
</asp:UpdatePanel>
<asp:TreeView ID="TreeView1" runat="server" ImageSet="Arrows"
OnSelectedNodeChanged="TreeView1_SelectedNodeChanged" >
<NodeStyle Font-Names="Verdana" Font-Size="8pt" ForeColor="Black" HorizontalPadding="5px"
NodeSpacing="0px" VerticalPadding="0px" />
<SelectedNodeStyle CssClass="treeHover"></SelectedNodeStyle>
</asp:TreeView>
SelectedNodeChanged
事件的编码,
protected void TreeView1_SelectedNodeChanged(object sender, EventArgs e)
{
txtName.Text = TreeView1.SelectedNode.Text;
}
我的更新面板无法正常工作,我想知道我的代码中有什么问题?
答案 0 :(得分:4)
试试这个......
<asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional">
<ContentTemplate>
<asp:TextBox ID="txtName" runat="server" Width="150px" ReadOnly="true"
BorderStyle="Double">
</asp:TextBox>
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="TreeView1" EventName="SelectedNodeChanged" />
</Triggers>
</asp:UpdatePanel>
<asp:TreeView ID="TreeView1" runat="server" ImageSet="Arrows"
OnSelectedNodeChanged="TreeView1_SelectedNodeChanged" >
<NodeStyle Font-Names="Verdana" Font-Size="8pt" ForeColor="Black" HorizontalPadding="5px"
NodeSpacing="0px" VerticalPadding="0px" />
<SelectedNodeStyle CssClass="treeHover"></SelectedNodeStyle>
</asp:TreeView>