userlist.cs

这是一个简单的论坛程序源码

using System;
using System.Collections.Generic;
using System.Text;
using System.ComponentModel;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using NetFocus.Web.Core;

namespace NetFocus.Web.Applications.Forum
{
    public class UserListControl : UserControl
    {
        protected Repeater list;
        protected Pager pager;
        protected CurrentPage currentPage;

        protected override void OnLoad(EventArgs e)
        {
            if (!Page.IsPostBack && !AjaxManager.IsCallBack)
            {
                BindData();
            }
            AjaxManager.Register(this, "AjaxMethod");
        }

        private void BindData()
        {
            if (list == null)
            {
                return;
            }
            WebContext context = WebContext.Current;
            UserList users = Users.GetUsers(RequestBuilder.BuildUserListRequest(pager.PageIndex, pager.PageSize));

            list.DataSource = RemoveAdminUser(users);
            list.DataBind();

            if (pager != null && currentPage != null)
            {
                pager.TotalPages = pager.CalculateTotalPages(users.TotalCount);
                currentPage.TotalRecords = users.TotalCount;
                currentPage.TotalPages = pager.TotalPages;
                currentPage.PageIndex = pager.PageIndex;
            }
        }

        private UserList RemoveAdminUser(UserList users)
        {
            UserList filterUsers = new UserList();
            foreach (User user in users)
            {
                if (user.UserName != "admin")
                {
                    filterUsers.Add(user);
                }
            }
            return filterUsers;
        }

        #region Ajax Method

        [AjaxMethod(IncludeControlValuesWithCallBack = false)]
        public string ResetUserPassword(int userId)
        {
            ForumUser user = ForumUsers.GetUser(userId);
            if (user != null)
            {
                return "密码重置成功，新密码是：" + Users.ResetUserPassword(user);
            }
            return "您要重置密码的用户不存在！";
        }

        [AjaxMethod(IncludeControlValuesWithCallBack = false)]
        public int LockUser(int userId)
        {
            ForumUser user = ForumUsers.GetUser(userId);
            if (user == null)
            {
                return 0;
            }
            if (user.UserName == "admin")
            {
                return -1;
            }
            ForumUsers.LockUser(user);
            return 1;
        }

        [AjaxMethod(IncludeControlValuesWithCallBack = false)]
        public int UnLockUser(int userId)
        {
            ForumUser user = ForumUsers.GetUser(userId);
            if (user == null)
            {
                return 0;
            }
            ForumUsers.UnLockUser(user);
            return 1;
        }

        [AjaxMethod(IncludeControlValuesWithCallBack = false)]
        public int DeleteUser(int userId)
        {
            ForumUser user = ForumUsers.GetUser(userId);
            if (user == null)
            {
                return 0;
            }
            if (user.UserName == "admin")
            {
                return -1;
            }
            Users.Delete(userId);
            return 1;
        }

        [AjaxMethod(IncludeControlValuesWithCallBack = false)]
        public int DeleteUsers(string userIds)
        {
            if (string.IsNullOrEmpty(userIds))
            {
                return 0;
            }
            string[] userIdArray = userIds.Split(new char[] { ':' }, StringSplitOptions.RemoveEmptyEntries);
            int userId = 0;
            foreach (string stringUserId in userIdArray)
            {
                try
                {
                    userId = Int32.Parse(stringUserId);
                }
                catch
                {
                    continue;
                }
                if (userId > 0)
                {
                    int result = DeleteUser(userId);
                    if (result != 1)
                    {
                        return result;
                    }
                }
            }
            return 1;
        }

        #endregion

    }
}