protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
            BindGrid();
    }

    private void BindGrid()
    {
        GridView1.DataSource = CreateData();
        GridView1.DataBind();
    }

    private DataTable CreateData()
    {
        DataTable dt = new DataTable();

        dt.Columns.Add(new DataColumn("User name", System.Type.GetType("System.String")));        
        dt.Columns.Add(new DataColumn("Chinese name", System.Type.GetType("System.String")));
        dt.Columns.Add(new DataColumn("English name", System.Type.GetType("System.String")));
        dt.Columns.Add(new DataColumn("E-mail", System.Type.GetType("System.String")));
        dt.Columns.Add(new DataColumn("Sex", System.Type.GetType("System.String")));
        dt.Columns.Add(new DataColumn("Telephone", System.Type.GetType("System.String")));
        dt.Columns.Add(new DataColumn("Comments", System.Type.GetType("System.String")));        

        for (int i = 0; i < 30; i++)
        {
            DataRow dr = dt.NewRow();

            dr["User name"] = "Msotec" + i.ToString();
            dr["E-mail"] = "zcyhappy@msn.com";
            dr["Chinese name"] = "微软技术论坛";
            dr["English name"] = "Msotec";
            dr["Telephone"] = "13864732837";
            dr["Comments"] = "www.msotec.com";
            dr["Sex"] = "1";
            dt.Rows.Add(dr);
        }
        return dt;
    }

    protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        GridView1.PageIndex = e.NewPageIndex;
        BindGrid();
    }

    protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            DataTable dt = CreateData();

            (e.Row.FindControl("rdoButtonSex") as RadioButtonList).Items.FindByValue(dt.Rows[e.Row.RowIndex]["Sex"].ToString()).Selected = true;
        }
    }
    
    protected void btnGet_Click(object sender, EventArgs e)
    {
        for (int i = 0; i < GridView1.Rows.Count; i++)
        {
            RadioButtonList rdoButton = new RadioButtonList();

            rdoButton = (RadioButtonList)GridView1.Rows[i].Cells[6].FindControl("rdoButtonSex");

            Response.Write("行号：" + i.ToString() + "RadioButtonList的值：" + rdoButton.SelectedItem.Text + "<br />");
        }
    }