ASP.NET2.0下含有CheckBox的GridView删除选定记录实例

1  <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" PageSize="5" 
 2                         Width="726px" AllowPaging="True" AllowSorting="True"
 3                          DataKeyNames="DB1_1,DB1_2"  OnRowDeleting="GridView1_RowDeleting"   OnPageIndexChanging="GridView1_PageIndexChanging" OnRowDataBound="GridView1_RowDataBound" OnSorting="GridView1_Sorting" Height="279px" >
 4                         <Columns>
 5                             <asp:TemplateField HeaderText="序号" >
 6                                 <ItemTemplate>
 7                                 <%# this.GridView1.PageIndex * this.GridView1.PageSize + this.GridView1.Rows.Count + 1%>
 8                                 </ItemTemplate>
 9                             </asp:TemplateField>
10                             <asp:TemplateField  HeaderText="选择" >
11                                 <ItemTemplate>
12                                     <asp:CheckBox ID="chkSelect" runat="server" ></asp:CheckBox>
13                                 </ItemTemplate>
14                             </asp:TemplateField>
15                          <asp:TemplateField HeaderText="操作" ShowHeader="False">
16                              <ItemTemplate>
17                             <asp:LinkButton ID="lbtnDelete" runat="server" CausesValidation="False" CommandName="Delete"
18                                 Text="删除" OnClientClick="return confirm('确认要删除吗？');"></asp:LinkButton>
19                         </ItemTemplate>
20                         </asp:TemplateField>
21                        </Columns>
22                        <AlternatingRowStyle BackColor="Aquamarine" />
23                     </asp:GridView>

1  <asp:CheckBox ID="chkSelectAll" runat="server" Text="全部选中" OnCheckedChanged="chkSelectAll_CheckedChanged" AutoPostBack="True" ></asp:CheckBox>
2                     <asp:Button ID="btnDelete" runat="server" Text="删除" OnClick="btnDelete_Click"  />

 1   protected void btnDelete_Click(object sender, EventArgs e)