1using System;
 2using System.Data;
 3using System.Configuration;
 4using System.Collections;
 5using System.Web;
 6using System.Web.Security;
 7using System.Web.UI;
 8using System.Web.UI.WebControls;
 9using System.Web.UI.WebControls.WebParts;
10using System.Web.UI.HtmlControls;
11using System.Data.SqlClient;
12using Web2ASPNET2.WebTags;
13using Web2ASPNET2.CommonOperation;
14using Web2ASPNET2.UserCommonOperation;
15
16public partial class Admin_UpdateRole:System.Web.UI.Page
17...{
18    int roleID = -1;
19    protected void Page_Load(object sender,EventArgs e)
20    ...{    /**////判断用户是否登录
21        UserInfo info = (UserInfo)UserCommonOperation.GetUserInfo(Session);
22        if(info == null)
23        ...{   /**////返回到上一个页面
24            Response.Write("<script>history.back()</script>");
25            /**////跳转到登录页面
26            Server.Transfer("~/Portal/UserLogin.aspx");
27            return;
28        }
29        /**////获取被修改信息的ID
30        if(Request.Params["RoleID"] != null)
31        ...{
32            roleID = DataTypeConvert.ConvertToInt(Request.Params["RoleID"].ToString());
33        }
34        if(!Page.IsPostBack)
35        ...{   /**////显示被修改的数据
36            if(roleID > -1)
37            ...{
38                BindPageData(roleID);
39            }
40        }
41        /**////设置按钮的可用性
42        int[] idList = ...{ roleID };
43        ButtonEnable.ControlButtonEnable(btnUpdateAndReturn,idList);
44    }
45    private void BindPageData(int roleID)
46    ...{   /**////获取单个记录的信息
47        Role role = new Role();
48        SqlDataReader dr = role.GetSingleRole(roleID);
49        if(dr == null) return;
50        if(dr.Read())
51        ...{   /**////显示信息
52            tbRoleName.Text = dr["RoleName"].ToString();
53        }
54        dr.Close();
55    }
56    protected void btnUpdateAndReturn_Click(object sender,EventArgs e)
57    ...{   /**////执行更新操作
58        Role role = new Role();
59        if(role.UpdateRole(roleID,tbRoleName.Text) > 0)
60        ...{
61            Dialog.OpenDialog(Response,"恭喜您，修改角色信息成功……");
62            /**////返回管理页面
63            Server.Transfer("~/Admin/RoleManage.aspx");
64        }
65    }
66    protected void btnReturn_Click(object sender,EventArgs e)
67    ...{   /**////返回管理页面
68        Server.Transfer("~/Admin/RoleManage.aspx");
69    }
70}
71