admin/addnews.aspx.cs

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 using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Data.OleDb;

public partial class addnews : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            GridViewBind();
        }
    }
    private void GridViewBind()
    {

        string sql = "select * FROM 新闻";
        DataSet ds = new DataSet();

        try
        {
            string DBName = ConfigurationManager.AppSettings.Get("DBName").ToString();
            string DBDriver = ConfigurationManager.AppSettings.Get("DBDriver").ToString();
            string DBConnectionString = DBDriver + HttpContext.Current.Server.MapPath(HttpContext.Current.Request.ApplicationPath + "/App_Data/") + DBName;
            OleDbConnection conn = new OleDbConnection(DBConnectionString);
            conn.Open();

            //OleDbConnection conn = new OleDbConnection(System.Configuration.ConfigurationManager.ConnectionStrings[1].ConnectionString);
            //conn.Open();
            OleDbDataAdapter da = new OleDbDataAdapter(sql, conn);

            da.Fill(ds, "company");
            if (conn.State.ToString() == "Open") conn.Close();

            GridView1.DataSource = ds.Tables[0].DefaultView;
            GridView1.DataBind();
        }
        catch (Exception ex)
        {
            Response.Write("数据库错误，错误原因：" + ex.Message);
            Response.End();
        }

    }
    protected void CmdAdd_Click(object sender, EventArgs e)
    {
        string DBName = ConfigurationManager.AppSettings.Get("DBName").ToString();
        string DBDriver = ConfigurationManager.AppSettings.Get("DBDriver").ToString();
        string DBConnectionString = DBDriver + HttpContext.Current.Server.MapPath(HttpContext.Current.Request.ApplicationPath + "/App_Data/") + DBName;
        OleDbConnection conn = new OleDbConnection(DBConnectionString);
        OleDbCommand cmd = conn.CreateCommand();
        cmd.CommandText = "insert into 新闻 (新闻类别,主题,发布人,新闻内容) values ('" + this.News.Text + "','" + this.TextBox2.Text + "','" + this.TextBox3.Text + "','" + this.TextBox4.Text + "')";