coollib_search.aspx.cs

ASP.NET构建的笑傲江湖社区(C#,全源码提供)

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.OleDb;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

namespace xajh.chat
{
	/// <summary>
	/// coollib_search 的摘要说明。
	/// </summary>
	public class coollib_search : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox byts_text;
		protected System.Web.UI.WebControls.Button byts_submit;
		protected System.Web.UI.WebControls.DataGrid coolview;
		protected System.Web.UI.WebControls.Literal byts_errormsg;
		private string mytext;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			if (this.Session["info"] == null)
			{
				this.Server.Transfer ("../error.aspx?v=relogin");
			}
		}

		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: This call is required by the ASP.NET Web Form Designer.
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{    
			this.byts_submit.Click += new System.EventHandler(this.byts_submit_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void byts_submit_Click(object sender, System.EventArgs e)
		{
			mytext = this.byts_text.Text.Trim().Replace("\r","").Replace("\n","");
			if (mytext == "" || mytext == null)
			{
				this.byts_errormsg.Text = "请输入搜索的关键字!";
				return;
			}
			else
			{
				this.byts_errormsg.Text = "";
			}
			this.ViewState["byts"] = mytext;
			this.binddata();
		}
		private void binddata()
		{
			DataSet ds = new DataSet();
			OleDbConnection MyConn = new OleDbConnection(var.public_conn);
			MyConn.Open();
			OleDbDataAdapter MyAdapter = new OleDbDataAdapter(@"select * from [动作词库] where 主题 like ? or 内容 like ? order by [时间] desc",MyConn);
			MyAdapter.SelectCommand.Parameters.Add(new System.Data.OleDb.OleDbParameter("主题", System.Data.OleDb.OleDbType.VarWChar, 4, "主题"));
			MyAdapter.SelectCommand.Parameters.Add(new System.Data.OleDb.OleDbParameter("内容", System.Data.OleDb.OleDbType.VarWChar, 255, "内容"));
			MyAdapter.SelectCommand.Parameters["主题"].Value = "%" + mytext + "%";
			MyAdapter.SelectCommand.Parameters["内容"].Value = "%" + mytext + "%";
			MyAdapter.Fill(ds,"动作词库");
			MyConn.Close();
			MyConn.Dispose();
			if (ds.Tables["动作词库"].Rows.Count == 0)
			{
				this.byts_errormsg.Text = "没有找到任何记录!";
				ds.Dispose();
				return;
			}
			else
			{
				this.byts_errormsg.Text = "";
				this.coolview.DataSource = ds.Tables["动作词库"].DefaultView;
				this.coolview.DataBind();
				ds.Dispose();
			}
		}
		protected void changepage(object sender, DataGridPageChangedEventArgs e)
		{
			mytext = this.ViewState["byts"].ToString();
			this.byts_text.Text = mytext;
			this.coolview.CurrentPageIndex = e.NewPageIndex;
			this.binddata();
		}
	}
}