userlist.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 MMS
{
	/// <summary>
	/// userlist 的摘要说明。
	/// </summary>
	public class userlist : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.HyperLink HyperLink2;
		protected System.Web.UI.WebControls.Button btn_search;
		protected System.Web.UI.WebControls.TextBox tbx_uid;
		protected System.Web.UI.WebControls.HyperLink hlk_bookmanage;
		protected System.Web.UI.WebControls.HyperLink HyperLink1;
		protected System.Web.UI.WebControls.DataGrid dgd_userlist;
	
		public void Page_Load(object sender, System.EventArgs e)
		{if(!IsPostBack) BindGrid();

		}

		#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.dgd_userlist.SelectedIndexChanged += new System.EventHandler(this.DataGrid1_SelectedIndexChanged);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void DataGrid1_SelectedIndexChanged(object sender, System.EventArgs e)
		{
		
		}
		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MMS数据库
			SqlConnection cn= new SqlConnection (strconn);
			//创建SqlDataAdapter对象,调用存储过程
			SqlDataAdapter da=new SqlDataAdapter ("userlist",cn);
			//创建并填充DataSet
			DataSet ds=new DataSet ();
			da.Fill (ds);
			dgd_userlist.DataSource =ds;
			dgd_userlist.DataBind ();
			cn.Close ();
		}
		public void DataGrid_Edit(Object sender,DataGridCommandEventArgs E)
		{
			dgd_userlist.EditItemIndex =(int)E.Item .ItemIndex ;
			BindGrid();
		}
		public void DataGrid_Cancel(Object sender,DataGridCommandEventArgs E)
		{
			dgd_userlist.EditItemIndex =-1;
			BindGrid();
		}
		public void DataGrid_Update(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MMS数据库
			SqlConnection cn= new SqlConnection (strconn);
			cn.Open ();
			SqlCommand cm=new SqlCommand ("usermodifyForAdmin",cn);
			//将命令类型转为存储类型
			cm.CommandType =CommandType.StoredProcedure ;
			cm.Parameters .Add ("@UID",SqlDbType.VarChar);
			cm.Parameters .Add (new SqlParameter ("@UPower",SqlDbType.Int));
			//从DateGrid中取得更新内容,Cells [0]为UID列
			string uidvalue=E.Item.Cells[1].Text .ToString ();
			cm.Parameters ["@UID"].Value =uidvalue;	
			//从DateGrid中取得更新内容
			string upowervalue=((DropDownList)E.Item.FindControl ("ddl_upower")).SelectedItem.Value .ToString ();
			cm.Parameters ["@UPower"].Value =Convert.ToInt16 (upowervalue);
			cm.ExecuteNonQuery ();
			dgd_userlist.EditItemIndex =-1;
			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MMS数据库
			SqlConnection cn= new SqlConnection (strconn);
			cn.Open ();
			SqlCommand cm=new SqlCommand ("userdelete",cn);
			cm.CommandType =CommandType.StoredProcedure ;
			cm.Parameters .Add ("@UID",SqlDbType.VarChar );
			//从DateGrid中取得更新内容
			//Cells [0]为UID列
			string uidvalue=E.Item.Cells [0].Text .ToString ();
			cm.Parameters ["@UID"].Value =uidvalue;
			cm.ExecuteNonQuery ();
			dgd_userlist.EditItemIndex =-1;
			BindGrid();
		}
		public void DataGrid_Page(Object sender,DataGridPageChangedEventArgs E)
		{
			dgd_userlist.CurrentPageIndex =E.NewPageIndex ;
			BindGrid();
		}

		private void btn_search_Click(object sender, System.EventArgs e)
		{
			string varuid=tbx_uid.Text .ToString ();
			Response.Redirect ("userdetail.aspx?uid="+varuid);
		}
	}
}