search.aspx.cs

非常完整的新闻发布系统

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;
using System.Configuration;
using System.Security.Principal;
namespace WebNews
{
	/// <summary>
	/// search 的摘要说明。
	/// </summary>
	public class search : System.Web.UI.Page
	{
		protected System.Data.SqlClient.SqlConnection SqlConnection1;		//添加数据库的操作对象
		protected System.Data.SqlClient.SqlDataAdapter SqlDataAdapter1;
		protected System.Data.DataSet DataSet1;

		protected System.Web.UI.HtmlControls.HtmlForm myForm;
		protected System.Web.UI.WebControls.TextBox keyword;
		protected System.Web.UI.WebControls.ImageButton ImageButton1;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1;
		protected System.Web.UI.WebControls.Button Button1;
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.DataGrid DataGrid1;
		protected System.Web.UI.WebControls.DropDownList search1;

		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面			
		}

		public void bindgrid()		//数据库记录在DataGrid中显示
		{	
			DataSet1=new DataSet();		
			try
			{
				SqlDataAdapter1.Fill(DataSet1);
			}
			catch (SqlException e1)
			{
				Label1.Text ="数据库操作错误："+e1.Message;				
			}
			DataGrid1.DataSource=DataSet1.Tables[0].DefaultView;
			DataGrid1.DataBind();
		}	



		#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.ImageButton1.Click += new System.Web.UI.ImageClickEventHandler(this.ImageButton1_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void ImageButton1_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
            if(Page.IsValid)
			{				
				if(search1.SelectedIndex==0)	//搜索标题
				{					
					SqlConnection1 = new SqlConnection(ConfigurationSettings.AppSettings["dsn"]);	//连接字符串
					SqlDataAdapter1 = new SqlDataAdapter();
					SqlDataAdapter1.SelectCommand=new SqlCommand("sp_searchCkArticleByTitle",SqlConnection1);
					SqlDataAdapter1.SelectCommand.CommandType=CommandType.StoredProcedure ;
					SqlDataAdapter1.SelectCommand.Parameters.Add("@title",SqlDbType.NVarChar ,500);
					SqlDataAdapter1.SelectCommand.Parameters["@title"].Value=keyword.Text ;	
					bindgrid();		
				}
				else							//搜索内容
				{			
					SqlConnection1 = new SqlConnection(ConfigurationSettings.AppSettings["dsn"]);	//连接字符串
					SqlDataAdapter1 = new SqlDataAdapter();
					SqlDataAdapter1.SelectCommand=new SqlCommand("sp_searchCkArticleByContent",SqlConnection1);
					SqlDataAdapter1.SelectCommand.CommandType=CommandType.StoredProcedure ;
					SqlDataAdapter1.SelectCommand.Parameters.Add("@content",SqlDbType.NText);
					SqlDataAdapter1.SelectCommand.Parameters["@content"].Value=keyword.Text.Trim() ;	
					bindgrid();	
				}			
			}
		}

	
	

	}
}