updatepwd.aspx.cs

用.net开发的一套管理系统,功能比较全,挺好用的啊!

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;
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 cms
{
	/// <summary>
	/// updatepwd 的摘要说明。
	/// </summary>
	public class updatepwd : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox Tbx_id;
		protected System.Web.UI.WebControls.TextBox Tbx_beforepwd;
		protected System.Web.UI.WebControls.Button Btn_update;
		protected System.Web.UI.WebControls.Panel Pn_user;
		protected System.Web.UI.WebControls.TextBox Tbx_newpwd;
		protected System.Web.UI.WebControls.TextBox Tbx_pwdok;
		protected System.Web.UI.WebControls.CompareValidator Cv_pwd;
		protected System.Web.UI.WebControls.Button Btn_ok;
		protected System.Web.UI.WebControls.Label Lbl_note;
		protected System.Web.UI.WebControls.Panel Pnl_update;
		protected System.Web.UI.WebControls.Button Btn_back;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
		}

		#region Web Form Designer generated code
		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.Btn_update.Click += new System.EventHandler(this.Btn_update_Click);
			this.Btn_ok.Click += new System.EventHandler(this.Btn_ok_Click);
			this.Btn_back.Click += new System.EventHandler(this.Btn_back_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Btn_update_Click(object sender, System.EventArgs e)
		{
			Pnl_update.Visible=true;
			Pn_user.Visible=false;
		}

		private void Btn_ok_Click(object sender, System.EventArgs e)
		{
			string strconn= ConfigurationSettings.AppSettings["dsn"];
			SqlConnection cn=new SqlConnection(strconn);	
			cn.Open();
			string strsql="update users set User_password='"+Tbx_newpwd.Text+"' where User_id='"+Tbx_id.Text+"'";
			SqlCommand cm=new SqlCommand(strsql,cn);
			try
			{
				cm.ExecuteNonQuery();
				Lbl_note.Text="修改成功，请返回！";
			}
			catch(SqlException)
			{
				Lbl_note.Text="修改有误！";
				Pn_user.Visible=true;
			}
			cn.Close();
		}

		private void Btn_back_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("default.aspx");
		}
	}
}