citymanage.aspx.cs

SP.NET经典案例源码之用户管理系统 实现用户的注册、分级管理

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
{
    //该源码下载自www.51aspx.com(５１ａｓｐｘ．ｃｏｍ)
	/// <summary>
	/// citymanage 的摘要说明。
	/// </summary>
	public partial class citymanage : System.Web.UI.Page
	{
	
		protected void Page_Load(object sender, System.EventArgs e)
		{
			if(!IsPostBack) 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MMS数据库
			SqlConnection cn= new SqlConnection (strconn);
			//创建SqlDataAdapter对象,调用存储过程
			string citylist="select * from city";
			SqlDataAdapter da=new SqlDataAdapter (citylist,cn);
			//创建并填充DataSet
			DataSet ds=new DataSet ();
			da.Fill (ds);
			dgd_citylist.DataSource =ds;
			dgd_citylist.DataBind ();
			cn.Close ();
		}
		protected void btn_submit_Click(object sender, System.EventArgs e)
		{
			if(Page.IsValid )
			{//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 ();
				//利用Command对象调用存储过程
				SqlCommand cm=new SqlCommand  ("cityadd",cn);
				//将命令类型转为存储类型
				cm.CommandType =CommandType.StoredProcedure ;
				//添加并给参数付值
				cm.Parameters .Add ("@CName",SqlDbType.NVarChar,50);
				cm.Parameters .Add ("@CCountryNm",SqlDbType.NVarChar,50);
				cm.Parameters ["@CName"].Value =tbx_cname.Text .ToString ();
				cm.Parameters ["@CCountryNm"].Value =tbx_ccountrynm.Text.ToString ();
				cm.ExecuteNonQuery ();
				cn.Close() ;
				BindGrid();
			}
		}
		public void DataGrid_Page(Object sender,DataGridPageChangedEventArgs E)
		{
			dgd_citylist.CurrentPageIndex =E.NewPageIndex ;
			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 ();
			string citydelete="delete from city where CID=@CID";
			SqlCommand cm=new SqlCommand (citydelete,cn);
			cm.Parameters .Add ("@CID",SqlDbType.VarChar );
			//从DateGrid中取得更新内容
			//Cells [1]为UID列
			string cidvalue=E.Item.Cells [0].Text .ToString ();
			cm.Parameters ["@CID"].Value =cidvalue;
			cm.ExecuteNonQuery ();
			dgd_citylist.EditItemIndex =-1;
			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()
		{    

		}
		#endregion

		protected void dgd_citylist_SelectedIndexChanged(object sender, System.EventArgs e)
		{
		
		}
	}
}