mohu.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>
	/// WebForm5 的摘要说明。
	/// </summary>
	public class WebForm5 : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label Label5;
		protected System.Web.UI.WebControls.ImageButton ImageButton1;
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.DataGrid DataGrid1;
		protected System.Web.UI.WebControls.TextBox TextBox1;
		protected System.Web.UI.WebControls.Label Label3;
		protected System.Web.UI.WebControls.DropDownList DropDownList1;
		protected System.Web.UI.WebControls.ImageButton ImageButton2;
		protected System.Web.UI.WebControls.Label Label4;
		protected System.Web.UI.HtmlControls.HtmlForm Form1;
		protected System.Web.UI.WebControls.Image Image1;
		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
			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");
			DataGrid1.DataSource=ds;
			DataGrid1.DataBind();
		}

		#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.TextBox1.TextChanged += new System.EventHandler(this.TextBox1_TextChanged);
			this.DataGrid1.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.DataGrid1_PageIndexChanged_1);
			this.DataGrid1.SelectedIndexChanged += new System.EventHandler(this.DataGrid1_SelectedIndexChanged);
			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;
			if(DropDownList1.SelectedItem.Text=="姓名")			    
			     strSQL="select *from 总联系人 where 姓名 like '%"+TextBox1.Text+"%'";
			else			
				 if(DropDownList1.SelectedItem.Text=="职务")
				     strSQL="select *from 总联系人 where 职务 like '%"+TextBox1.Text+"%'";
				 else				   
			           if(DropDownList1.SelectedItem.Text=="通迅地址")
				          strSQL="select *from 总联系人 where 通迅地址 like '%"+TextBox1.Text+"%'";
                       else	           
			              strSQL="select *from 总联系人 where 总联系人."+DropDownList1.SelectedItem.ToString()+"='"+TextBox1.Text+"'";

			//
			SqlCommand comm=new SqlCommand(strSQL,conn);
			SqlDataAdapter da=new SqlDataAdapter();
			da.SelectCommand=comm;
			DataSet ss=new DataSet();
			da.Fill(ss,"toupiao");
			DataGrid1.DataSource=ss;
			DataGrid1.DataBind();
		}

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


		private void DataGrid1_SelectedIndexChanged(object sender, System.EventArgs e)
		{
		
		}

		private void TextBox1_TextChanged(object sender, System.EventArgs e)
		{
		
		}
		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");
			DataGrid1.DataSource=ds;
			DataGrid1.DataBind();
		}

		
		
		

		

		private void DataGrid1_PageIndexChanged_1(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{
			DataGrid1.CurrentPageIndex=e.NewPageIndex;
			dbind();
		}

		
	}
}