chazhao.aspx.cs

数据库课程设计----什么都有

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 WebApplication2
{
	/// <summary>
	/// WebForm2 的摘要说明。
	/// </summary>
	public class WebForm2 : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label Label4;
		protected System.Web.UI.WebControls.ImageButton ImageButton1;
		protected System.Web.UI.WebControls.DataGrid dg;
		protected System.Web.UI.WebControls.DropDownList DropDownList1;
		protected System.Web.UI.WebControls.ImageButton ImageButton2;
		protected System.Web.UI.WebControls.Label Label3;
		protected System.Web.UI.HtmlControls.HtmlForm Form1;
		protected System.Web.UI.WebControls.Image Image1;
	
		protected System.Web.UI.WebControls.Label Label1;
	
	
		
	
		
			
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			SqlConnection conn=new SqlConnection("Data source=.;Database=toupiao;Integrated Security=SSPI");
			SqlDataAdapter ada=new SqlDataAdapter("select * from 总联系人",conn);
			DataSet ds=new DataSet();
			ada.Fill(ds,"toupiao");
			dg.DataSource=ds;
			dg.DataBind();
			conn.Open();
			
		}

		#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.ImageButton2.Click += new System.Web.UI.ImageClickEventHandler(this.ImageButton2_Click_1);
			this.DropDownList1.SelectedIndexChanged += new System.EventHandler(this.DropDownList1_SelectedIndexChanged);
			this.dg.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.dg_PageIndexChanged);
			this.dg.SelectedIndexChanged += new System.EventHandler(this.dg_SelectedIndexChanged_1);
			this.ImageButton1.Click += new System.Web.UI.ImageClickEventHandler(this.ImageButton1_Click_1);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		


		private void ImageButton1_Click_1(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			SqlConnection conn=new SqlConnection("Data Source=.;Database=toupiao;Integrated Security=SSPI");
			conn.Open();
			String strSQL="select *from 总联系人 where 总联系人.与用户关系='"+DropDownList1.SelectedItem.ToString()+"'";			
			SqlCommand comm=new SqlCommand(strSQL,conn);
			SqlDataAdapter da=new SqlDataAdapter();
			da.SelectCommand=comm;
			DataSet ss=new DataSet();
			da.Fill(ss,"toupiao");
			dg.DataSource=ss;
			dg.DataBind();
		}

		private void ImageButton2_Click_1(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			Response.Redirect("dengru.aspx");
		}


		

		public void dbind()
		{
			SqlConnection conn=new SqlConnection("Data source=.;Database=toupiao;Integrated Security=SSPI");
			SqlDataAdapter ada=new SqlDataAdapter("select * from 总联系人",conn);
			DataSet ds=new DataSet();
			ada.Fill(ds,"toupiao");
			dg.DataSource=ds;
			dg.DataBind();
		}
		private void dg_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{
			dg.CurrentPageIndex=e.NewPageIndex;
			dbind();
		}

		private void dg_SelectedIndexChanged_1(object sender, System.EventArgs e)
		{
		
		}

		private void DropDownList1_SelectedIndexChanged(object sender, System.EventArgs e)
		{
		
		}

		

		
		
	}
}