admin/AdminContral.aspx.cs

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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.SqlClient;

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

    }
    protected void Linkaddnews_Click(object sender, EventArgs e)
    {
        SqlConnection con = db.ceratcon();
        con.Open();
        SqlCommand cmd = new SqlCommand();
        cmd.Connection = (SqlConnection)con;//对象实例化
        cmd.CommandText = "insert into News (Nname,Ncount,Ntime)values(@Nname,@Ncount,@Ntime)";


        cmd.Parameters.Add("@Nname", SqlDbType.VarChar);
        cmd.Parameters.Add("@Ncount", SqlDbType.VarChar);
        cmd.Parameters.Add("@Ntime", SqlDbType.DateTime);

        cmd.Parameters["@Nname"].Value = this.txtname.Text;
        cmd.Parameters["@Ncount"].Value = this.txtcount.Text;
        cmd.Parameters["@Ntime"].Value = DateTime.Now;
        cmd.ExecuteNonQuery();
        con.Close();
        Response.Write("<script language='javascript'>alert('添加成功')</script>");

    }
    private void binder()//显示所有的帖子
    {
        SqlConnection con = db.ceratcon();
        con.Open();
        SqlDataAdapter sdr = new SqlDataAdapter(" select  * from question ", con);
        DataSet ds = new DataSet();
        sdr.Fill(ds, "question");
        GridView1.DataSource = ds.Tables["question"].DefaultView;


        this.GridView1.AllowPaging = true;
        this.GridView1.PageSize = 20;
        this.GridView1.DataBind();
        if (this.GridView1.PageIndex == 0)
        {
            this.LinkButton1.Enabled = false;