GridView 分页

 <%--前端页面--%》
<asp:GridView ID="GridView1" runat="server" AllowPaging="True" OnPageIndexChanging="GridView1_PageIndexChanging"></asp:GridView>

public partial class Default : System.Web.UI.Page
    {
        SqlConnection connect;
        SqlCommand cmd;
        protected void Page_Load(object sender, EventArgs e)
        {

            GridView1.DataSource = bind();
            GridView1.DataBind();
        }
       /// <summary>
       /// 分页
       /// </summary>
       /// <param name="sender"></param>
       /// <param name="e"></param>
        protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
        {
            GridView1.PageIndex = e.NewPageIndex;
            GridView1.DataBind();
        }
        /// <summary>
        /// 绑定数据
        /// </summary>
        /// <returns></returns>
        public DataSet bind()
        {

            connect = new SqlConnection("server=.;database=SuperMarket;uid=sa;pwd=123");
            cmd = new SqlCommand();
            string sql = "select * from dbo.GoodsTypes";
            cmd.CommandText = sql;
            cmd.Connection = connect;

            connect.Open();

            SqlDataAdapter da = new SqlDataAdapter(cmd);
            DataSet ds = new DataSet();
            da.Fill(ds);
            return ds;



        }
    }