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CommunityServer的登录页面


CommunityServer的登录页面

http://localhost/ccs1.03/login.aspx?ReturnUrl=/Default.aspx



CommunityServerWeb.Themes.default.Skins.Skin-Login.ascx

 1<%@ Control Language="C#" %>
 2<%@ Import Namespace="CommunityServer.Controls" %>
 3<%@ Import Namespace="CommunityServer.Components" %>
 4<%@ Register TagPrefix="CS" Namespace="CommunityServer.Controls" Assembly="CommunityServer.Controls" %>
 5    
 6
 7<table width="100%" cellspacing="12" cellpadding="0" border="0">
 8
 9    <tr>
10        <td>
11            <br />
12
13            <table align="center"class="tableBorder" cellspacing="2" cellpadding="5" >
14                <tr>
15                    <td class="column" align="left" colspan="2">
16                        <CS:ResourceLabel runat="server" ResourceName="Login_Title" />
17                    </td>
18                </tr>
19                <tr>
20                    <td class="f" align="center" valign="top" colspan="2">
21                        <table cellspacing="1" border="0" cellpadding="5">
22                            <tr>
23                                <td align="right" class="txt3">
24                                    <CS:ResourceLabel runat="server" ResourceName="Login_UserName" />
25                                </td>
26                                <td>
27                                    <CS:DefaultButtonTextBox Button = "loginButton" id="username" runat="server" size="30" maxlength="64" />
28                                </td>
29                            </tr>
30                            <tr>
31                                <td align="right" class="txt3">
32                                    <CS:ResourceLabel runat="server" ResourceName="Login_Password" />
33                                </td>
34                                <td>
35                                    <CS:DefaultButtonTextBox Button = "loginButton" TextMode="Password" id="password" runat="server" size="11" maxlength="64" />
36                                    <span class="txt4">
37                                    <CS:ForumAnchor AnchorType="UserForgotPassword" runat="server"/>
38                                    |
39                                    <CS:ForumAnchor AnchorType="UserRegister" runat="server"/>
40                                    </span>
41                                </td>
42                            </tr>
43                            <tr>
44                                <td></td>
45                                <td align="left" class="txt3" nowrap>
46                                    <asp:CheckBox type="checkbox" runat="server" id="autoLogin" />
47                                </td>
48                            </tr>
49                            <tr>
50                                <td></td>
51                                <td align="left" class="txt3" nowrap>
52                                    <asp:LinkButton id="loginButton" runat="server" CssClass = "Button" />
53                                </td>
54                            </tr>
55                        </table>
56                    </td>
57                </tr>
58            </table>
59        </td>
60    </tr>
61</table>
62<br>
63<br>
64    

CommunityServerControls.Utility.DefaultButtonTextBox.cs
DefaultButtonTextBox 类，重写TextBox。

  1//------------------------------------------------------------------------------
  2// <copyright company="Telligent Systems">
  3//     Copyright (c) Telligent Systems Corporation.  All rights reserved.
  4// </copyright> 
  5//------------------------------------------------------------------------------
  6
  7using System;
  8using System.Text;
  9using System.Web.UI.WebControls;
 10
 11namespace CommunityServer.Controls
 12{
 13    /// <summary>
 14    /// Provides a simple way to specify a specific button to fire when "Enter" is clicked with in 
 15    /// the textbox
 16    /// </summary>
 17    public class DefaultButtonTextBox : TextBox
 18    {
 19        public DefaultButtonTextBox()
 20        {
 21
 22        }
 23
 24        #region DefaultButton
 25        private WebControl _defaultButton = null;
 26
 27        /// <summary>
 28        /// Attempts to find a reference to the Control specified in the Button property
 29        /// </summary>
 30        protected WebControl DefaultButton
 31        {
 32            get
 33            {
 34                if(_defaultButton == null)
 35                {
 36                    if(Button != null)
 37                    {
 38                        _defaultButton = FindControl(Button) as WebControl;
 39                        if(_defaultButton != null)
 40                        {
 41                            if(!(_defaultButton is Button || _defaultButton is LinkButton || _defaultButton is ImageButton))
 42                                throw new ArgumentException("DefautlButton Property value must be of Type Button, LinkButton, or ImageButton");
 43                        }
 44                    }
 45                }
 46                return _defaultButton;
 47            }
 48        }
 49
 50        string _button;
 51        /// <summary>
 52        /// The ID of the button to wire up to this instance of TextBox
 53        /// </summary>
 54        public string Button
 55        {
 56            get{ return _button;}
 57            set {_button = value;}
 58        }
 59        #endregion
 60
 61        #region PreRender
 62        /// <summary>
 63        /// Override OnPreRender and test to see if a Button is wired up to the TextBox. If so, render the javascript
 64        /// and set the textbox's attributes
 65        /// </summary>
 66        protected override void OnPreRender(EventArgs e)
 67        {
 68            if(DefaultButton != null)
 69            {
 70                ButtonScript();
 71                this.Attributes.Add("onkeydown", string.Format(OnKeyDownButtonAttribute,DefaultButton.UniqueID));
 72            }
 73            base.OnPreRender (e);
 74        }
 75        #endregion
 76
 77        #region JavaScript
 78
 79        /// <summary>
 80        /// OnKeyDown Attribute. We use Button, Event since just button did not work in FireFox :)
 81        /// </summary>
 82        const string OnKeyDownButtonAttribute = "KeyDownHandler('{0}',event);";
 83
 84        /// <summary>
 85        /// Renders the javascript function to fire our postback
 86        /// </summary>
 87        protected void ButtonScript()
 88        {
 89            StringBuilder sb = new StringBuilder();
 90            sb.Append("<script language=\"javascript\">\n");
 91            sb.Append("<!--\n");
 92            sb.Append("function KeyDownHandler(btn,event)\n");
 93            sb.Append("{\n");
 94            sb.Append("    if (event.keyCode == 13)\n");
 95            sb.Append("    {\n");
 96            sb.Append("        event.returnValue = false;\n");
 97            sb.Append("        event.cancel = true;\n");
 98            sb.Append("     __doPostBack(btn)\n");
 99            sb.Append("    }\n");
100            sb.Append("}\n");
101            sb.Append("\n");
102            sb.Append("//-->\n");
103            sb.Append("</script>\n");
104            Page.RegisterStartupScript("DefaultButtonScript", sb.ToString());
105            Page.RegisterRequiresPostBack(this);
106            Page.GetPostBackEventReference(this);
107        }
108        #endregion
109    }
110}
111

posted on 2005-08-22 09:57 小不点 阅读(435) 评论(2)  编辑 收藏 网摘 所属分类: CommunityServer

评论

#1楼  2005-08-22 10:26 宝玉      

这样从具体实例入手挺好，不错分析的太简单了一点   回复  引用  查看    

#2楼 [楼主] 2005-08-22 10:30 小不点      

还正在看，其实上面写的，就没有写分析。。。。。 ^@^
先把看的过程记录下来，然后再加分析，呵呵...   回复  引用  查看    





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该文被作者在 2005-08-22 10:37 编辑过
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