在DataGrid在的HyperLink 中传递多个参数

             　　<asp:datagrid id="Dgd_student" runat="server" BorderColor="#93BEE2" BorderStyle="None" BorderWidth="1px"
                                BackColor="White" CellPadding="3" PageSize="15" AllowPaging="True" AutoGenerateColumns="False" DataKeyField="Student_id"
                                Width="100%">
             　　                <SelectedItemStyle Font-Bold="True" ForeColor="#CCFF99" BackColor="#009999"></SelectedItemStyle>
                                <AlternatingItemStyle Font-Size="X-Small" BackColor="#E8F4FF"></AlternatingItemStyle>
                                <ItemStyle Font-Size="X-Small"></ItemStyle>
                                <HeaderStyle Font-Size ="X-Small" Font-Bold="True" ForeColor="White" BackColor="#337FB2"></HeaderStyle>
                                <FooterStyle Font-Size ="X-Small" HorizontalAlign="Right" BackColor="#E8F4FF"></FooterStyle>
             　　   <Columns>
             　　                   <asp:BoundColumn DataField ="Student_id" ReadOnly ="True" HeaderText ="学号"></asp:BoundColumn>
             　　                      <asp:BoundColumn DataField="Student_name" HeaderText="姓名"></asp:BoundColumn>
                                    <asp:BoundColumn DataField="Student_sex" HeaderText="性别"></asp:BoundColumn>
                                    <asp:BoundColumn DataField="Student_nation" HeaderText=" 民族"></asp:BoundColumn>
                                    <asp:BoundColumn DataField="Student_birthday" HeaderText="出生日期"></asp:BoundColumn>
                                    <asp:BoundColumn DataField="Student_time" HeaderText="入学时间"></asp:BoundColumn>
                                    <asp:BoundColumn DataField="Student_classid" HeaderText="班级"></asp:BoundColumn>
                                    <asp:BoundColumn DataField="Student_home" HeaderText="生源"></asp:BoundColumn>
                                    <asp:BoundColumn DataField="Student_else" HeaderText="备注"></asp:BoundColumn>
                                    <asp:EditCommandColumn UpdateText="更新" CancelText="取消" EditText="编辑"></asp:EditCommandColumn>
                                    <asp:ButtonColumn Text="删除" CommandName="Delete"></asp:ButtonColumn>
                        <asp:TemplateColumn HeaderText="稿件编号">
                              <ItemTemplate>
                                 <asp:HyperLink   runat="server" Text='<%# DataBinder.Eval(Container.DataItem,"Student_id") %>'
                                           NavigateUrl= '<%# "addstudent.aspx"+ "?" + "Student_id=" + DataBinder.Eval(Container.DataItem, "Student_id") +
                                                         "&Event=" + DataBinder.Eval(Container.DataItem, "Student_name") %>' Target=_blank ID="Hyperlink1">
                                 </asp:HyperLink>
                             </ItemTemplate>
                         </asp:TemplateColumn>
             　　   </Columns>
             　　   <PagerStyle HorizontalAlign="Right"></PagerStyle>
             　　</asp:DataGrid>