admindenglu.aspx.cs

数据库课程设计

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 mybook
{
	/// <summary>
	/// WebForm3 的摘要说明。
	/// </summary>
	public class WebForm3 : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label Label3;
		protected System.Web.UI.WebControls.Panel Panel1;
		protected System.Web.UI.WebControls.RadioButton RadioButton1;
		protected System.Web.UI.WebControls.RadioButton RadioButton2;
		protected System.Web.UI.WebControls.Panel Panel2;
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.TextBox TextBox1;
		protected System.Web.UI.WebControls.TextBox TextBox2;
		protected System.Web.UI.WebControls.Panel Panel3;
		protected System.Web.UI.WebControls.Button Button1;
		protected System.Web.UI.WebControls.Button Button3;
		protected System.Web.UI.WebControls.Button Button2;
		protected System.Web.UI.WebControls.Label Label2;
	
		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.Button3.Click += new System.EventHandler(this.Button3_Click);
			this.RadioButton1.CheckedChanged += new System.EventHandler(this.RadioButton1_CheckedChanged);
			this.RadioButton2.CheckedChanged += new System.EventHandler(this.RadioButton2_CheckedChanged);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Button1_Click(object sender, System.EventArgs e)
		{
				if (RadioButton1.Checked)
		  {     
				  string username=this.TextBox1.Text.Trim();
			  string password=this.TextBox2.Text.Trim();



			  SqlConnection myConnection = new SqlConnection();

			  myConnection.ConnectionString = "uid=sa;pwd=sa;initial catalog=mybook;data source=.;Connect Timeout=90";



			  string selectCmd = "select adminid from xyadmin where username='"+username+"' and password='"+password+"'";
			  SqlCommand myCommand= new SqlCommand( selectCmd, myConnection);
			  myCommand.Connection.Open();
			  SqlDataReader sqlDr = myCommand.ExecuteReader();
			  while (sqlDr.Read())
			  { 
				  Response.Redirect("adminlist.aspx");
			  }
			
			  sqlDr.Close();
			  myCommand.Connection.Close();
			 
		  }
		else
			Response.Redirect("commonselect.aspx");
		
		}

		private void Button3_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("managebook.aspx");

		}

		private void Button2_Click(object sender, System.EventArgs e)
		{
		Response.Redirect("fistpage.aspx");
		}

		private void RadioButton1_CheckedChanged(object sender, System.EventArgs e)
		{  
			if (RadioButton1.Checked)
			{   RadioButton2.Checked=false;
				Panel2.Visible =true;
				Panel3.Visible =true;
			}
		
		}

		private void RadioButton2_CheckedChanged(object sender, System.EventArgs e)
		{
			if (RadioButton2.Checked)
			{    RadioButton1.Checked=false;
				 Panel2.Visible =true;
				 Panel3.Visible =true;
			}
		}


	
		
	}
}