用户控件使用方法(共用菜单实例)

用户控件使用方法(共用菜单实例)
WebUserControl.ascx：
<%@ Control Language="C#" AutoEventWireup="true" CodeFile="WebUserControl.ascx.cs" Inherits="WebUserControl" %>
<asp:LinkButton ID="Lb_Test1" runat="server" Font-Size="8pt" Font-Names="Arial" OnClick="Focus_Changed">Test1</asp:LinkButton>&nbsp;|&nbsp;
<asp:LinkButton ID="Lb_Test2" runat="server" Font-Size="8pt" Font-Names="Arial" OnClick="Focus_Changed">Test2</asp:LinkButton>&nbsp;|&nbsp;
<asp:LinkButton ID="Lb_Test3" runat="server"  Font-Size="8pt" Font-Names="Arial" OnClick="Focus_Changed">Test3</asp:LinkButton>&nbsp;|&nbsp;

.cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

/// <summary>
/// 用户控件类
/// </summary>
public partial class WebUserControl : System.Web.UI.UserControl
{
    #region 属性

    /// <summary>
    /// ID
    /// </summary>
    public string Id
    {
        get
        {
            if (ViewState["ID"] != null)
            {
                return (string)ViewState["ID"];
            }
            return String.Empty;
        }
        set
        {
            ViewState["ID"] = value;

            if (value != null && value.Length > 0)
            {
                DealID = OldID = GetID(value);
            }
        }
    }

    /// <summary>
    /// OldID
    /// </summary>
    public string OldID
    {
        get
        {
            if (ViewState["OldID"] != null)
            {
                return (string)ViewState["OldID"];
            }
            return String.Empty;
        }
        set
        {
            ViewState["OlID"] = value;
        }
    }

    /// <summary>
    /// DealID
    /// </summary>
    public string DealID
    {
        get
        {
            if (ViewState["DealID"] != null)
            {
                return (string)ViewState["DealID"];
            }
            return String.Empty;
        }
        set
        {
            ViewState["DealID"] = value;
        }
    }

    /// <summary>
    /// PageFrom
    /// </summary>
    public string PageFrom
    {
        get
        {
            if (ViewState["PageFrom"] != null)
            {
                return (string)ViewState["PageFrom"];
            }
            return String.Empty;
        }
        set
        {
            ViewState["PageFrom"] = value;
        }
    }

    /// <summary>
    /// Current Tab
    /// </summary>
    public CurrentPageOptions CurrentTab
    {
        get
        {
            if (ViewState["CurrentTab"] != null)
            {
                return (CurrentPageOptions)ViewState["CurrentTab"];
            }
            return CurrentPageOptions.Test1;
        }
        set
        {
            ViewState["CurrentTab"] = value;

            switch (value)
            {
                case CurrentPageOptions.Test1:
                    Lb_Test1.ForeColor = System.Drawing.Color.Red;
                    break;
                case CurrentPageOptions.Test2:
                    Lb_Test2.ForeColor = System.Drawing.Color.Red;
                    break;
                case CurrentPageOptions.Test3:
                    Lb_Test3.ForeColor = System.Drawing.Color.Red;
                    break;
               default:
                    break;
            }
        }
    }

    #endregion

    #region 函数

    /// <summary>
    /// Get OldInternetDealID
    /// </summary>
    private string GetID(string id)
    {
        //方法略
       return id;
    }

    /// <summary>
    /// Get All Urls For All Links
    /// </summary>
    protected void GetLinks()
    {
        if (!Object.Equals(Id, String.Empty))
        {
            //Applicant
            Lb_Test1.Attributes["href"] = "Test1.aspx?id=" + Id + "&pagefrom=" + PageFrom;

            //Company
            Lb_Test2.Attributes["href"] = "Test2.aspx?id=" + Id + "&pagefrom=" + PageFrom;

            //Asset
            Lb_Test3.Attributes["href"] = "Test3.aspx?id=" + Id + "&pagefrom=" + PageFrom;
        }
        else
        {
            Page.ClientScript.RegisterClientScriptBlock(GetType(), "JS", "<script language='javascript'>alert('You are missing parameter ID.');</script>");
            return;
        }
    }

    #endregion

    #region 事件

    public override void DataBind()
    {
        base.DataBind();

        GetLinks();
    }

    protected void Focus_Changed(object sender, EventArgs e)
    {
        LinkButton linkButton = (LinkButton)sender;

        foreach (Control ctl in Controls)
        {
            if (ctl is LinkButton)
            {
                ((LinkButton)ctl).ForeColor = System.Drawing.Color.Empty;
            }
        }

        LinkButton focusControl = (LinkButton)FindControl(linkButton.ID);

        focusControl.ForeColor = System.Drawing.Color.Red;
    }

    protected void Page_Load(object sender, EventArgs e)
    {

    }

    #endregion
}

/// <summary>
/// 枚举列举菜单标签值
/// </summary>
public enum CurrentPageOptions
{

    //Applicant
    Test1 = 1,

    //Company
    Test2 = 2,

    //Asset
    Test3 = 3

}
----------------------------------------------------------------------------
调用页面：TestControl.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="TestControl.aspx.cs" Inherits="TestControl" %>
<%@ Register Src="WebUserControl.ascx" TagName="UC_Test" TagPrefix="uc1" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    <uc1:UC_Test id="UC_Menu1" runat="server"></uc1:UC_Test>
    </div>
    </form>
</body>
</html>

.cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class TestControl : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            UC_Menu1.Id ="1";
            UC_Menu1.PageFrom ="search";
            UC_Menu1.CurrentTab = CurrentPageOptions.Test1;
            UC_Menu1.DataBind();
        }

    }
}