t_trcy.aspx.cs

毕业设计时做的,一个管理关于污染管理的, 源代码,呵呵 想想当时还真厉害,可以实现污染检测

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 gyit.Data;
using System.Configuration;

namespace itcrm.report
{
	/// <summary>
	/// t_trcy 的摘要说明。
	/// </summary>
	public class t_trcy : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.DataGrid DataGrid1;
		protected System.Web.UI.WebControls.Button btnQuery;
		protected System.Web.UI.WebControls.TextBox txtQuery;
		protected System.Web.UI.WebControls.Label Label1;
		DBOperator db;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			db =DBOperator.CreateObject((string)ConfigurationSettings.AppSettings["DSN"]);
			if(!Page.IsPostBack)
				DataShow();
		}

		private void DataShow()
		{
			string sql="select * from t_trcy";
			db.Open();
			DataGrid1.DataSource=db.exeSqlForDataSet(sql);
			db.Close();
			DataGrid1.DataBind();
		}
		private void btnQuery_Click(object sender, System.EventArgs e)
		{
			if(txtQuery.Text=="")
			{
				Label1.Text="请输入关键字查找！";
			}
			else
			{
				string sql="select * from t_rtcy where rtcy_ID like '%"+txtQuery.Text+"%'or dq_ID like '%"+txtQuery.Text+"%'or dq_Name like '%"+txtQuery.Text+"%'or Place like '%"+txtQuery.Text+"%'or hy_Name like '%"+txtQuery.Text+"%'";
				db.Open();
				DataGrid1.DataSource=db.exeSqlForDataSet(sql);
				db.Close();
				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.DataGrid1.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.DataGrid1_PageIndexChanged);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void DataGrid1_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{
			DataGrid1.CurrentPageIndex=e.NewPageIndex;
			DataShow();
		}
	}
}