news.aspx.cs

简单新闻管理系统一个采用Access数据库的新闻管理系统

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 news : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        string strconn = "Provider=Microsoft.Jet.OLEDB.4.0; Data Source=" + Server.MapPath("App_Data/news.mdb");
        OleDbConnection conn = new OleDbConnection(strconn);
        conn.Open();
        string sql = "select count(*) from messageinfo";
        OleDbCommand cmd = new OleDbCommand(sql,conn);
        int ret = (int)cmd.ExecuteScalar();
        conn.Close();
        this.Label5.Text = "总共有" + ret + "条评论！";
      
    }
    protected void LinkButton2_Click(object sender, EventArgs e)
    {
        if (Page.IsValid)
        {

            string strconn = "Provider=Microsoft.Jet.OLEDB.4.0; Data Source=" + Server.MapPath("App_Data/news.mdb");
            OleDbConnection conn = new OleDbConnection(strconn);
            conn.Open();
            string title = this.TextBox2.Text.Trim();
            string content = this.TextBox1.Text.Trim();
            string time = DateTime.Now.ToString();
            string user;
            if (Session["username"] != null)
            {
                user = Session["username"].ToString();

            }
            else
            {
                user = "游客";
            }
            string SqlAdd = "INSERT INTO messageinfo(Message_Content,Message_AddedTime,Message_user,Message_title) values('" + content + "','" + time + "','" + user + "','" + title + "')";
            OleDbCommand MyCmd = new OleDbCommand(SqlAdd, conn);
            MyCmd.ExecuteNonQuery();
            conn.Close();

            Response.Write("<script> alert(\"恭喜您！评论成功！\") </script>");
            return;








        }

       

       
    }
    protected void LinkButton1_Click(object sender, EventArgs e)
    {
        this.TextBox1.Text = "";
        this.TextBox2.Text = "";
    }
}