webform1.aspx.cs

这是一个酒店管理系统的C#语言实现.实现了住宿

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 shua
{
	/// <summary>
	/// WebForm1 的摘要说明。
	/// </summary>
	public class WebForm1 : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox TextBox1;
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1;
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Web.UI.WebControls.RegularExpressionValidator RegularExpressionValidator1;
		protected System.Web.UI.WebControls.Button Button1;
		protected System.Web.UI.WebControls.Button Button2;
		protected System.Web.UI.HtmlControls.HtmlGenericControl FONT1;
		protected System.Web.UI.WebControls.TextBox TextBox2;
		protected System.Web.UI.WebControls.Label message;
		protected System.Web.UI.WebControls.Label Label3;
		protected System.Web.UI.WebControls.Label Label4;
		protected System.Web.UI.WebControls.Label Label5;
		protected System.Web.UI.WebControls.Calendar Calendar1;
	
		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.Calendar1.SelectionChanged += new System.EventHandler(this.Calendar1_SelectionChanged);
			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 Calendar1_SelectionChanged(object sender, System.EventArgs e)
		{
		
		}

		private void TextBox2_TextChanged(object sender, System.EventArgs e)
		{
		
		}

		private void Button1_Click(object sender, System.EventArgs e)
		{
			SqlConnection Conn=new SqlConnection(); 
			Conn.ConnectionString="server=HWADEE-1G30;database=HTserverData;uid=sa;pwd=''";
			Conn.Open();
			SqlCommand Comm=new SqlCommand("select count(*) from dlb where yhm="+TextBox1.Text+" and password="+TextBox2.Text+"",Conn);
			int i=(int) Comm.ExecuteScalar(); 
			if( i==1){
				message.Text="登录成功！";
				Response.Redirect("WebForm2.aspx");}
			else 
				message.Text="登录失败，重新登录！";
			}

		private void Button2_Click(object sender, System.EventArgs e)
		{
		message.Text="";
		}
	}
}