usermanage.aspx.cs

客户资源是企业的宝贵资源

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 MisResource.Components;
using System.Data.SqlClient;

namespace MisResource.Admins
{
	/// <summary>
	/// UserManage 的摘要说明。
	/// </summary>
	public class UserManage : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Button AddUserBtn;
		protected System.Web.UI.WebControls.ListBox UserList;
		protected System.Web.UI.WebControls.ImageButton deleteBtn;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			///判断用户是否登陆
			if(Session["UserID"] == null)
			{
				Response.Redirect("~/Default.aspx");
			}
			///判断用户是否是超级管理员
			if(Components.User.IsAuthorityAdmin(Session["UserID"].ToString()) >= Components.User.USERTYPEADMIN)
			{
				Response.Write("<script>alert(\"你没有权限，请与管理员联系！\")</script>");
				Response.Write("<script>history.back();</script>");
			}			

			if(!Page.IsPostBack)
			{
				///绑定控件的数据
				BindUserData();
			}

			///添加删除确认对话框
			deleteBtn.Attributes.Add("onclick","return confirm('" + MisSystem.OPERATIONDELETEMESSAGE + "');");	
		}

		private void BindUserData()
		{
			///定义获取数据的类
			MisResource.Components.User user = new User();
			SqlDataReader recu = user.GetUsers();

			///设定控件的数据源
			UserList.DataSource = recu;
			
			///设定控件的Text属性和Value属性
			UserList.DataTextField = "UserName";
			UserList.DataValueField = "UserID";

			///绑定控件的数据
			UserList.DataBind();

			///关闭数据读取器和数据库的连接
			recu.Close();
		}

		#region Web 窗体设计器生成的代码
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{    
			this.deleteBtn.Click += new System.Web.UI.ImageClickEventHandler(this.deleteBtn_Click);
			this.AddUserBtn.Click += new System.EventHandler(this.AddUserBtn_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void AddUserBtn_Click(object sender, System.EventArgs e)
		{
			///跳转到添加用户页面
			Response.Redirect("~/Admins/AddUser.aspx");
		}

		private void deleteBtn_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			if(UserList.SelectedIndex > -1)
			{
				///定义类User
				MisResource.Components.User user = new User();
				try
				{
					///删除用户
					user.DeleteUser(Int32.Parse(UserList.SelectedValue));
					
					///显示操作结果信息
					Response.Write ("<script>window.alert('" + MisSystem.OPERATIONDELETESUCCESSMESSAGE + "')</script>");

					///重新绑定数据
					BindUserData();
				}
				catch(Exception ex)
				{			
					///显示添加操作中的失败、错误信息
					Response.Redirect("~/DesktopModules/ErrorPage.aspx?ErrorUrl="
						+ MisSystem.RedirectErrorUrl(Request.RawUrl)
						+ "&ErrorMessage=" + ex.Message.Replace("\n"," "));
				}
			}
			else
			{
				///显示操作结果信息
				Response.Write ("<script>window.alert('" + MisSystem.OPERATIONNOSELECTMESSAGE + "')</script>");
			}				
		}
	}
}