usermodify.aspx.cs

数据库课程设计

using System;
using System.Web.Security;
using System.Data.SqlClient;
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;

namespace BookManager
{
	/// <summary>
	/// UserModify 的摘要说明。
	/// </summary>
	public class UserModify : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label lblName;
		protected System.Web.UI.WebControls.Label lblRole;
		protected System.Web.UI.WebControls.TextBox tbPassWord;
		protected System.Web.UI.WebControls.TextBox tbCon;
		protected System.Web.UI.WebControls.Button btSumbit;
		protected System.Web.UI.WebControls.Button btReset;
		protected System.Data.SqlClient.SqlConnection sqlConn;
		protected System.Web.UI.WebControls.TextBox tbEmail;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			if(!IsPostBack)
			{
				lblName.Text=User.Identity.Name.ToString();
				lblRole.Text=Session["RoleName"].ToString();
				this.Binds();
			}
		}

		#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.sqlConn = new System.Data.SqlClient.SqlConnection();
			this.btSumbit.Click += new System.EventHandler(this.btSumbit_Click);
			this.btReset.Click += new System.EventHandler(this.btReset_Click);
			// 
			// sqlConn
			// 
			this.sqlConn.ConnectionString = "workstation id=QMX;packet size=4096;user id=sa;data source=\"QMX\\THUNDER\";persist " +
				"security info=True;initial catalog=BookManager;password=gliu0307";
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Binds()
		{
			string str="select * from tblUser where UserName=@UserName";
			SqlCommand cmd=new SqlCommand(str,sqlConn);
			cmd.Parameters.Add("@UserName",User.Identity.Name.ToString());
			sqlConn.Open();
			SqlDataReader rder=cmd.ExecuteReader();
			if(rder.Read())
			{	
				tbEmail.Text=rder["Email"].ToString();
			}
		}
		private void Execsql()
		{
			string sqlStr="update tblUser set Email=@Email";
			if(tbPassWord.Text.ToString().Trim()!="")
			{
				sqlStr+=",PassWord=@PassWord";
			}
			sqlStr+=" where UserName=@UserName and Role=@Role";
			SqlCommand cmd=new  SqlCommand(sqlStr,sqlConn);
			cmd.Parameters.Add("@UserName",User.Identity.Name.ToString());
			cmd.Parameters.Add("@Role",Session["Role"].ToString());
			cmd.Parameters.Add("@Email",tbEmail.Text.ToString());
			if(tbPassWord.Text.ToString().Trim()!="")
				cmd.Parameters.Add("@PassWord",FormsAuthentication.HashPasswordForStoringInConfigFile(tbPassWord.Text.ToString(),"MD5"));
			sqlConn.Open();
			cmd.ExecuteNonQuery();
			sqlConn.Close();
		}
		private void btSumbit_Click(object sender, System.EventArgs e)
		{	
			this.Execsql();
			
		}

		private void btReset_Click(object sender, System.EventArgs e)
		{
			tbEmail.Text="";
		}
	}
}