usermanage.aspx.cs

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using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using System.Collections.Generic;
using BookManage.BLL;
using BookManage.Model;

namespace BookManage.Admin
{
	/// <summary>
	/// UserManage 的摘要说明。
	/// </summary>
    public partial class UserManage : System.Web.UI.Page
	{
        protected string stars = "false";
		EMUser user=new EMUser();

        protected void Page_Load(object sender, System.EventArgs e)
        {
            if (Request.QueryString["action"] == "modify"&&Request.QueryString["UserID"]!=null&&!Page.IsPostBack)
            {
                EMUserProfile profile = new EMUserProfile();
                profile = user.GetUserDetail(Request.QueryString["UserID"]);
                txtUserName.Text = profile.UserName;
                ddlPower.Value = profile.UserPower.ToString();
                stars = "true";
            }

            if (Request.QueryString["power"] != null)
            {
                dgUserList.DataSource = user.GetUserListByPower(Convert.ToInt32(Request.QueryString["power"]));
                dgUserList.DataBind();
            }

        }

        #region
        /// <summary>
		/// 绑定datagrid的数据
		/// </summary>
		/// <param name="doFilter">是否指定用户权限读取数据</param>
		/// <param name="userPower">用户权限</param>
        /*
		void BindData()
		{	
			int pageCount;
			int currentPage;
			int rowCount;
			int userPower;
			const int pageSize=5; 
			SqlDataReader reader=null;
			//获取设置当前页
			if(Request.QueryString["page"]==null)
			{
				currentPage=1;
			}
			else
			{
				currentPage=Convert.ToInt32(Request.QueryString["page"]);
			}
			//开始读取数据
			if(Request.QueryString["power"]==null)
			{
				rowCount=user.UserListCount(false,0);
				user.GetUserList(currentPage,pageSize,out reader);
				dgUserList.DataSource=reader;
				dgUserList.DataBind();
				//关闭数据库连接及dataReader
				reader.Close();
				pageCount=(int)Math.Ceiling((double)rowCount/pageSize);
				//设定第一页的链接地址
				lnkFirst.NavigateUrl="UserManage.aspx";
				//设定下一页的链接地址
				if(pageCount>1 && currentPage<pageCount)
					lnkNext.NavigateUrl="UserManage.aspx?page="+(currentPage+1);
				else if(currentPage==pageCount)
					lnkNext.Enabled=false;

				//设定上一页的链接地址
				if(currentPage==1)
					lnkPre.Enabled=false;
				else
					lnkPre.NavigateUrl="UserManage.aspx?page="+(currentPage-1);
	
				//设定最后一页的链接地址
				lnkLast.NavigateUrl="UserManage.aspx?page="+pageCount;

				//请求的页码超过页数则重定向到最后一页
				if(currentPage>pageCount)
					Response.Redirect("UserManage.aspx?page="+pageCount);
			}
			else
			{
				userPower=Convert.ToInt32(Request.QueryString["power"]);
				rowCount=user.UserListCount(true,userPower);
				user.GetUserList(userPower,pageSize,out reader);
				dgUserList.DataSource=reader;
				dgUserList.DataBind();
				//关闭数据库连接及dataReader
				reader.Close();
				pageCount=(int)Math.Ceiling((double)rowCount/pageSize);

				//设定第一页的链接地址
				lnkFirst.NavigateUrl="UserManage.aspx?power="+userPower;
				//设定下一页的链接地址
				if(pageCount>1 && currentPage<pageCount)
					lnkNext.NavigateUrl="UserManage.aspx?page="+(currentPage+1)+"&power="+userPower;
				else if(currentPage==pageCount)
					lnkNext.Enabled=false;

				//设定上一页的链接地址
				if(currentPage==1)
					lnkPre.Enabled=false;
				else
					lnkPre.NavigateUrl="UserManage.aspx?page="+(currentPage-1)+"&power="+userPower;
	
				//设定最后一页的链接地址
				lnkLast.NavigateUrl="UserManage.aspx?page="+pageCount+"&power="+userPower;
				
				//请求的页码超过页数则重定向到最后一页
				if(currentPage>pageCount)
					Response.Redirect("UserManage.aspx?page="+pageCount+"&power="+userPower);
			}
			ViewState["pageCount"]=pageCount;
			ViewState["currentPage"]=currentPage;
		}*/
        #endregion

        

        protected void btnSubmit_Click(object sender, System.EventArgs e)
		{
			//确保表单已经通过验证
			if(Page.IsValid)
			{
                EMUserProfile profile = new EMUserProfile();
                
                profile.UserName = txtUserName.Text;
                profile.Password = txtPwd.Value;
                profile.UserPower = ddlPower.SelectedIndex;
				//检查用户名是否存在
                if (Request.QueryString["action"] == "modify" && Request.QueryString["UserID"] != null)
                {
                    profile.UserID = Request.QueryString["UserID"];
                    int result= user.UpdateUserProfile(profile);
                    if (result > 0)
                    {
                        Message.Alert("更新成功", Request.QueryString["return"]);
                    }
                    else
                        Message.Alert("更新失败,请确保URL未被修改",this.Page);
                }
                else
                {
                    if (user.UserNameExiste(profile.UserName))
                    {
                        lblNotifyAddUser.Text = "添加失败,用户名已存在";
                        return;
                    }
                    else
                    {                     
                        //用户名不存在则开始添加用户
                        int result = user.AddUser(profile);
                        if (result > 0)
                        {
                            Message.Alert("添加成功", "UserManage.aspx");
                        }
                    }
                }
			}
			
		}


        protected string SetUserPower()
        {
            string power = "普通用户";
            if (Eval("UserPower").ToString() == "1")
                power = "管理员";
            return power;
        }

        protected void btnSearch_ServerClick(object sender, EventArgs e)
        {
            dgUserList.DataSource = user.SearchUserListResult(Request["txtSearch"]);
            dgUserList.DataBind();
        }
        protected void dgUserList_RowDeleting(object sender, GridViewDeleteEventArgs e)
        {
            string userID = dgUserList.DataKeys[e.RowIndex].Value.ToString();
            user.DeleteUser(userID);
            if (Request.QueryString["power"] != null)
                Message.Alert("删除成功", "UserManage.aspx?power=" + Request.QueryString["power"]);
            else
                Message.Alert("删除成功", "UserManage.aspx");
        }
   
}
}