学生修改密码.aspx.cs

本系统以ASP.NET为开发平台

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;

namespace 学生综合素质测评系统
{
	/// <summary>
	/// 学生修改密码 的摘要说明。
	/// </summary>
	public class 学生修改密码 : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.HyperLink HyperLink1;
		protected System.Web.UI.WebControls.HyperLink Hyperlink2;
		protected System.Web.UI.WebControls.HyperLink Hyperlink3;
		protected System.Web.UI.WebControls.HyperLink HyperLink4;
		protected System.Web.UI.HtmlControls.HtmlTableCell TD7;
		protected System.Web.UI.HtmlControls.HtmlTableCell TD4;
		protected System.Web.UI.HtmlControls.HtmlGenericControl SPAN3;
		protected System.Web.UI.HtmlControls.HtmlGenericControl FONT1;
		protected System.Web.UI.HtmlControls.HtmlTableCell Td2;
		protected System.Web.UI.HtmlControls.HtmlGenericControl Span4;
		protected System.Web.UI.HtmlControls.HtmlGenericControl Font2;
		protected System.Web.UI.HtmlControls.HtmlTableCell Td3;
		protected System.Web.UI.HtmlControls.HtmlGenericControl Span5;
		protected System.Web.UI.HtmlControls.HtmlGenericControl Font3;
		protected System.Web.UI.HtmlControls.HtmlGenericControl Span7;
		protected System.Web.UI.HtmlControls.HtmlGenericControl Font6;
		protected System.Web.UI.HtmlControls.HtmlGenericControl Span8;
		protected System.Web.UI.HtmlControls.HtmlGenericControl Font7;
		protected System.Web.UI.HtmlControls.HtmlGenericControl Span9;
		protected System.Web.UI.HtmlControls.HtmlGenericControl Font8;
		protected System.Web.UI.HtmlControls.HtmlGenericControl Span10;
		protected System.Web.UI.HtmlControls.HtmlGenericControl Font10;
		protected System.Web.UI.HtmlControls.HtmlGenericControl Span12;
		protected System.Web.UI.HtmlControls.HtmlGenericControl Font12;
		protected System.Web.UI.HtmlControls.HtmlGenericControl Span13;
		protected System.Web.UI.HtmlControls.HtmlGenericControl Font13;
		protected System.Web.UI.HtmlControls.HtmlGenericControl Span14;
		protected System.Web.UI.HtmlControls.HtmlGenericControl Font14;
		protected System.Web.UI.WebControls.Image Image2;
		protected System.Web.UI.WebControls.Image Image1;
		protected System.Web.UI.WebControls.HyperLink HyperLink24;
		protected System.Web.UI.WebControls.HyperLink HyperLink23;
		protected System.Web.UI.WebControls.Button Button2;
		protected System.Web.UI.WebControls.Button Button1;
		protected System.Web.UI.WebControls.Label Label5;
		protected System.Web.UI.WebControls.TextBox TextBox4;
		protected System.Web.UI.WebControls.Label Label4;
		protected System.Web.UI.WebControls.TextBox TextBox3;
		protected System.Web.UI.WebControls.Label Label3;
		protected System.Web.UI.WebControls.TextBox TextBox2;
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Web.UI.WebControls.TextBox TextBox1;
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.HtmlControls.HtmlForm Form1;
		protected System.Web.UI.WebControls.HyperLink HyperLink5;
		protected System.Web.UI.WebControls.HyperLink HyperLink19;
	
		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 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.Button1.Click += new System.EventHandler(this.Button1_Click);
			this.Button2.Click += new System.EventHandler(this.Button2_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Button1_Click(object sender, System.EventArgs e)
		{
			string sql;
			string n1=TextBox1.Text;
			string n2=TextBox2.Text;	
			string n3=TextBox3.Text;
			string n4=TextBox4.Text;//接受文本框的输入
			sql="Select 密码 from 学生 where 密码='"+n2+"'and 学号='"+n1+"'";
			DataSet ds =new DataSet();
			ds=Class1.GetDataSet(sql);
			int i=ds.Tables[0].Rows.Count;
			if(i!=0)
			{
				SqlConnection conn=new SqlConnection("Server=.;database=学生综合素质测评系统;uid=sa;password=");
				conn.Open();
				sql="update 学生 set 密码='"+n4+"' where 学号='"+n1+"'";
				SqlCommand mycom=new SqlCommand(sql,conn);
				SqlDataReader mydr=mycom.ExecuteReader();
				Label5.Text="恭喜，密码修改成功哦！"; 
				
			}
			else
				Label5.Text="输入有错误哦，再试一次吧！";
			
		}

		private void Button2_Click(object sender, System.EventArgs e)
		{
			TextBox1.Text="";
			TextBox2.Text="";
			TextBox3.Text="";
			Label5.Text="";
		}
	}
}