login.aspx.cs

网络营销软件的源代码

using System;
using System.Configuration;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;


namespace WebApplication8
{
	/// <summary>
	/// login 的摘要说明。
	/// </summary>
	public class login : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.ImageButton log;
		protected System.Web.UI.WebControls.ImageButton reg;
		protected System.Web.UI.HtmlControls.HtmlInputText userName;
		protected System.Web.UI.HtmlControls.HtmlInputText password;
		protected System.Data.SqlClient.SqlConnection logConnection;
		protected System.Data.SqlClient.SqlCommand logCommand;
		protected System.Web.UI.WebControls.Label mistake;
		protected System.Web.UI.WebControls.RadioButtonList type;

		SqlDataReader reader;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			Session.Clear();
			logConnection.Open();
		}

		#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.logConnection = new System.Data.SqlClient.SqlConnection();
			this.logCommand = new System.Data.SqlClient.SqlCommand();
			this.log.Click += new System.Web.UI.ImageClickEventHandler(this.log_Click);
			this.reg.Click += new System.Web.UI.ImageClickEventHandler(this.reg_Click);
			// 
			// logcommand
			// 
			this.logConnection.ConnectionString = Application["market"].ToString();
			this.logCommand.Connection = this.logConnection;
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void log_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			if(type.SelectedValue == "个人")
			{
				logCommand.CommandText = "select * from Single where userName='"+userName.Value+"' and password='"+password.Value+"' and type='个人'";
				reader = logCommand.ExecuteReader();
				
				if(reader.Read())
				{
					Session["type"]      = "个人";
					Session["studentNO"] = reader["studentNO"];
					Session["userName"]  = reader["userName"];
					logConnection.Close();
					Response.Redirect("firstPage/index.aspx");
				}
				else
				{
					reader.Close();
					logConnection.Close();
					Response.Write("<script language=javascript>alert('输入的用户名或者密码错误！');this.location.href='login.aspx';</script>");
				}
			}
			
			if(type.SelectedValue == "企业")
			{
				logCommand.CommandText = "select * from Company where userName='"+userName.Value+"' and password='"+password.Value+"'";
				reader = logCommand.ExecuteReader();
				
				if(reader.Read())
				{
					Session["type"]      = "企业";
					Session["studentNO"] = reader["studentNO"];
					Session["userName"]  = reader["userName"];
					Session["comName"]   = reader["comName"];
					logConnection.Close();
					Response.Redirect("firstPage/index.aspx");
				}
				else
				{
					reader.Close();
					logConnection.Close();
					Response.Write("<script language=javascript>alert('输入的用户名或者密码错误！');this.location.href='login.aspx';</script>");
				}
			}

			if(type.SelectedValue == "管理员")
			{
				logCommand.CommandText = "select * from Administrator where userName='"+userName.Value+"' and password='"+password.Value+"' and type='网站管理员'";
				reader = logCommand.ExecuteReader();
				
				if(reader.Read())
				{
					Session["type"]      = "管理员";
					Session["userName"]  = reader["userName"];
					logConnection.Close();
					Response.Redirect("admin/classManage.aspx");//此处中转到管理员的页面
				}
				else
				{
					logConnection.Close();
					reader.Close();
					Response.Write("<script language=javascript>alert('输入的用户名或者密码错误！');this.location.href='login.aspx';</script>");
				}
			}
		}

		private void reg_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{

			if(type.SelectedValue == "个人")
			{
				Response.Redirect("firstPage/applySingle.aspx");
			}
			
			if(type.SelectedValue == "企业")
			{
				Response.Redirect("firstPage/applyEnterprise.aspx");
			}
			logConnection.Close();
			
			mistake.Text = "管理员的不受理申请请求！";
			mistake.Visible = true;
		}
	}
}