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AJAX Control Toolkit的DropDownExtender控件不显示(鼠标进入的时候显示不了下拉列表)

0
[已关闭问题] 关闭于 2015-07-29 11:26
 1 <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm5.aspx.cs" Inherits="WebApplication1.WebForm5" %>
 2 
 3 <!DOCTYPE html>
 4 
 5 <html xmlns="http://www.w3.org/1999/xhtml">
 6 <head runat="server">
 7 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
 8     <title></title>
 9 </head>
10 <body>
11     <form id="form1" runat="server">
12     <asp:ScriptManager ID="ScriptManager1" runat="server">
13     </asp:ScriptManager>
14         <div>
15             <asp:UpdatePanel ID="UpdatePanel1" runat="server">
16                 <ContentTemplate>
17                     <span style="display:inline-block; padding:2px;">
18                         My favorite color is:
19                     </span>
20                     <asp:Label ID="favoriteColorLabel" runat="server" Text="green"
21                         style="color:#00dd00; display:inline-block; padding:2px;
22                              width:70px; font-weight:bold;"></asp:Label>
23                     <ajaxToolkit:DropDownExtender ID="DropDownExtender1" runat="server" 
24                         TargetControlID="favoriteColorLabel" DropDownControlID="colDropDown">
25                     </ajaxToolkit:DropDownExtender>
26                     <asp:Panel ID="colDropDown" runat="server"
27                         style="display:none; visibility:hidden; width:60px; padding:70px;
28                              border:double 4px black; background-color:#ffffdd; font-weight:bold;">
29                         <asp:LinkButton ID="OptionRed" runat="server" OnClick="OnSelect"
30                             style="color:#ff0000;">red</asp:LinkButton>
31                         <br />
32                         <asp:LinkButton ID="OptionOrange" runat="server" OnClick="OnSelect"
33                             style="color:#dd7700;">orange</asp:LinkButton>
34                         <br />
35                         <asp:LinkButton ID="OptionYellow" runat="server" OnClick="OnSelect"
36                             style="color:yellow">yellow
37                         </asp:LinkButton>
38                         <br />
39                         <asp:LinkButton ID="OptionGreen" runat="server" OnClick="OnSelect"
40                             style="color:green;">green</asp:LinkButton>
41                         <br />
42                         <asp:LinkButton ID="OptionBlue" runat="server" OnClick="OnSelect"
43                             style="color:blue;">blue
44                         </asp:LinkButton>
45                         <br />
46                         <asp:LinkButton ID="OptionPurple" runat="server" OnClick="OnSelect"
47                             style="color:purple;">purple</asp:LinkButton>
48                     </asp:Panel>
49                 </ContentTemplate>
50             </asp:UpdatePanel>
51         </div>
52     </form>
53 </body>
54 </html>
protected void OnSelect(object sender, EventArgs e)
        {
            favoriteColorLabel.Text = ((LinkButton)sender).Text;
            favoriteColorLabel.Style["color"] = ((LinkButton)sender).Style["color"];
        }
HotSky的主页 HotSky | 菜鸟二级 | 园豆:229
提问于:2015-03-27 22:33
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