效果图：点姓名各2次的排序，点其他也一样可以。

　　后台代码：

　　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 Default3 : System.Web.UI.Page
　　{
　　SqlConnection sqlcon;
　　string strCon = "Data Source=(local);Database=北风贸易;Uid=sa;Pwd=";
　　protected void Page_Load(object sender, EventArgs e)
　　{
　　if (!IsPostBack)
　　{
　　ViewState["SortOrder"] = "身份证号码";
　　ViewState["OrderDire"] = "ASC";
　　bind();
　　}
　　}
　　protected void GridView1_Sorting(object sender, GridViewSortEventArgs e)
　　{
　　string sPage = e.SortExpression;
　　if (ViewState["SortOrder"].ToString() == sPage)
　　{
　　if (ViewState["OrderDire"].ToString() == "Desc")
　　ViewState["OrderDire"] = "ASC";
　　else
　　ViewState["OrderDire"] = "Desc";
　　}
　　else
　　{
　　ViewState["SortOrder"] = e.SortExpression;
　　}
　　bind();
　　}
　　public void bind()
　　{
　　string sqlstr = "select top 5 * from 飞狐工作室";
　　sqlcon = new SqlConnection(strCon);
　　SqlDataAdapter myda = new SqlDataAdapter(sqlstr, sqlcon);
　　DataSet myds = new DataSet();
　　sqlcon.Open();
　　myda.Fill(myds, "飞狐工作室");
　　DataView view = myds.Tables["飞狐工作室"].DefaultView;
　　string sort = (string)ViewState["SortOrder"] + " " + (string)ViewState["OrderDire"];
　　view.Sort = sort;
　　GridView1.DataSource = view;
　　GridView1.DataBind();
　　sqlcon.Close();
　　}
　　}

　  前台主要代码：　

<asp:GridView ID="GridView1" runat="server" AllowSorting="True" AutoGenerateColumns="False"
                        CellPadding="3" Font-Size="9pt" OnSorting="GridView1_Sorting" BackColor="White" BorderColor="#CCCCCC" BorderStyle="None" BorderWidth="1px">
                        <FooterStyle BackColor="White" ForeColor="#000066" />
                        <Columns>
                             <asp:BoundField DataField="身份证号码" HeaderText="用户ID" SortExpression="身份证号码" />
                            <asp:BoundField DataField="姓名" HeaderText="用户姓名

" SortExpression="姓名"/>
                            <asp:BoundField DataField="员工性别" HeaderText="性别" SortExpression="员工性别"/>
                            <asp:BoundField DataField="家庭住址" HeaderText="家庭住址" SortExpression="家庭住址"/>
                               
                        </Columns>
                        <RowStyle ForeColor="#000066" />
                        <SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" />
                        <PagerStyle BackColor="White" ForeColor="#000066" HorizontalAlign="Left" />
                        <HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" />
                    </asp:GridView>