bookmanage.aspx.cs

在书店系统,access数据库和.net

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.Configuration ;
using System.Data .SqlClient ;

namespace BMS
{
	/// <summary>
	/// BookManage 的摘要说明。
	/// </summary>
	public class BookManage : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.DataGrid dgd_booklist;
		protected System.Web.UI.WebControls.HyperLink hlk_advsearch;
		protected System.Web.UI.WebControls.Button btn_search;
		protected System.Web.UI.WebControls.HyperLink HyperLink1;
		protected System.Web.UI.WebControls.TextBox tbx_bid;
		protected System.Web.UI.WebControls.HyperLink hlk_userlist;
		protected System.Web.UI.WebControls.HyperLink hlk_default;
		protected System.Web.UI.WebControls.HyperLink hlk_bookadd;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			if(!IsPostBack) BindGrid();
		}

		public void DataGrid_Delete(Object sender,DataGridCommandEventArgs E)
		{
			//从文件Web.config中读取连接字符串
			string strconn= ConfigurationSettings.AppSettings["dsn"];
			//连接本地计算机的BMS数据库
			SqlConnection cn= new SqlConnection (strconn);
			cn.Open ();
			//创建cm1，用于book表中数据的操作
			SqlCommand cm1=new SqlCommand ("bookdelete",cn);
			cm1.Parameters .Add ("@BID",SqlDbType.Int  );
			cm1.CommandType =CommandType.StoredProcedure ;
			//创建cm2，用于bookprice表中数据的操作
			SqlCommand cm2=new SqlCommand ("bookpricedelete",cn);
			cm2.Parameters .Add ("@PPID",SqlDbType.Int  );
			cm2.CommandType =CommandType.StoredProcedure ;
			//从DateGrid中取得更新内容
			//Cells [1]为BID列
			string bidvalue=E.Item.Cells [1].Text.ToString ();
			cm1.Parameters ["@BID"].Value =Convert.ToInt16 (bidvalue);
			cm2.Parameters ["@PPID"].Value =Convert.ToInt16 (bidvalue);
			cm1.ExecuteNonQuery ();
			cm2.ExecuteNonQuery ();
			dgd_booklist.EditItemIndex =-1;
			cn.Close ();
			BindGrid();
		}
		public void DataGrid_Page(Object sender,DataGridPageChangedEventArgs E)
		{
			dgd_booklist.CurrentPageIndex =E.NewPageIndex ;
			BindGrid();
		}

		public void BindGrid()
		{	//从文件Web.config中读取连接字符串
			string strconn= ConfigurationSettings.AppSettings["dsn"];
			//连接本地计算机的BMS数据库
			SqlConnection cn= new SqlConnection (strconn);
			//创建SqlDataAdapter对象,调用视图
			SqlDataAdapter da=new SqlDataAdapter ("booklist",cn);
			//创建并填充DataSet
			DataSet ds=new DataSet ();
			da.Fill (ds);
			dgd_booklist.DataSource =ds;
			dgd_booklist.DataBind ();
			cn.Close ();
		}
		#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_search.Click += new System.EventHandler(this.btn_search_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void btn_search_Click(object sender, System.EventArgs e)
		{	int varbid=Convert.ToInt16 (tbx_bid.Text .ToString ());
			Response.Redirect ("bookmodify.aspx?bid="+varbid);
		}
	}
}