Asp.net 如何将窗格的可见性绑定到另一个控件?
所以我有两个单选按钮。如果选择RadioButton1,我希望Panel1可见,Panel2隐藏。如果选择RadioButton2,我希望Panel2可见,Panel1隐藏。有没有一种不需要回发就可以做到这一点的方法?您可以使用一点javascript来实现这一点。向两个单选按钮添加onclick处理程序,并调用函数更新视图:Asp.net 如何将窗格的可见性绑定到另一个控件?,asp.net,asp.net-ajax,Asp.net,Asp.net Ajax,所以我有两个单选按钮。如果选择RadioButton1,我希望Panel1可见,Panel2隐藏。如果选择RadioButton2,我希望Panel2可见,Panel1隐藏。有没有一种不需要回发就可以做到这一点的方法?您可以使用一点javascript来实现这一点。向两个单选按钮添加onclick处理程序,并调用函数更新视图: <input type="radio" id="radio_1" onclick="updateView">Radio 1 <input type="r
<input type="radio" id="radio_1" onclick="updateView">Radio 1
<input type="radio" id="radio_2" onclick="updateView">Radio 2
<script>
function updateView() {
var radio_1 = document.getElementById("radio_1");
// etc... get radio 2 and panels the same way
panel_1.style.display = radio_1.checked ? "block" : "none";
panel_2.style.display = radio_2.checked ? "block" : "none";
}
</script>
收音机1
第二台
函数updateView(){
var radio_1=document.getElementById(“radio_1”);
//等等…用同样的方法获得收音机2和面板
面板1.style.display=收音机1.checked?“块”:“无”;
面板2.style.display=收音机2.checked?“块”:“无”;
}
基本上有两种方法可以做到这一点:完全客户端和服务器端异步回发
客户端:
CSS:
Javascript:
toggleDiv = function(id, opt) {
_id = document.getelementbyid(id);
if (opt == "show") {
_id.style.display = "block";
} else {
_id.style.display = "hidden";
}
}
ASPX:
服务器端 ASPX: 还有很多其他方法可以做到这一点,比如在客户端使用jQuery,在服务器端使用较少的硬编码逻辑
toggleDiv = function(id, opt) {
_id = document.getelementbyid(id);
if (opt == "show") {
_id.style.display = "block";
} else {
_id.style.display = "hidden";
}
}
<asp:radiobutton id="rbOne" runat="server" />
<asp:radiobutton id="rbTwo" runat="server" />
<div id="panel1" class="hidden">
<p>Panel 1</p>
</div>
<div id="panel2" class="hidden">
<p>Panel 2</p>
</div>
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
' Apply onclick handlers to the radio buttons
If Not Page.IsPostBack Then
rbOne.Attributes.Add("onclick", "toggleDiv('" & rbOne.ClientId() & "', 'show'); toggleDiv('" & rbTwo.ClientId & "', 'hide');")
rbTwo.Attributes.Add("onclick", "toggleDiv('" & rbOne.ClientId() & "', 'hide'); toggleDiv('" & rbTwo.ClientId & "', 'show');")
End If
End Sub
<asp:UpdatePanel id="upRadioButtons" runat="server">
<asp:radiobutton id="rbOne" runat="server" autopostback="true" />
<asp:radiobutton id="rbTwo" runat="server" autopostback="true" />
<asp:multipage id="mvButtonPanels" runat="server">
<asp:view id="view1" runat="server">
<p>Panel 1</p>
</asp:view>
<asp:view id="view2" runat="server">
<p>Panel 2</p>
</asp:view>
</asp:multipage>
</asp:UpdatePanel>
Protected Sub rbOne_CheckedChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles rbOne.CheckedChanged
mvButtonPanels.ActiveViewIndex = 0
End Sub
Protected Sub rbTwo_CheckedChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles rbTwo.CheckedChanged
mvButtonPanels.ActiveViewIndex = 1
End Sub