基本信息
源码名称:Asp.net的Ajax定时读取数据库(附源码)
源码大小:0.03M
文件格式:.rar
开发语言:C#
更新时间:2018-03-02
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   源码介绍

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.OleDb;
public partial class autoread_read : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        Response.Write(gettext());
    }
    private string gettext()
    {
        OleDbConnection conn = getdb();
        conn.Open();
        OleDbCommand oc = new OleDbCommand();
        string res = "";
        string te = "";
        string te1;
        string sql = "select tid,title from ttt where tstate=1";

        oc.CommandText = sql;
        oc.Connection = conn;
        OleDbDataReader ob = oc.ExecuteReader();
        while (ob.Read())
        {
            if(res!="")
                res = res   "&&";
            te = ob.GetInt32(0).ToString();
            te1 =  ob.GetString(1);
            res = res te   "**"   te1;
            
        }
        return res;
    }
    private OleDbConnection getdb()
    {
        OleDbConnection conn = new OleDbConnection();
        conn.ConnectionString = @"Provider=Microsoft.Jet.OLEDB.4.0;"  
                @"Data source="   Server.MapPath("db.mdb");
        return conn;
    }
}