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)
　　 2     {
　　 3         string strDelete = "";
　　 4         for (int i = 0; i < this.GridView1.Rows.Count; i++)
　　 5         {
　　 6             string Label;
　　 7             bool isChecked = ((CheckBox)GridView1.Rows[i].FindControl("chkSelect")).Checked;
　　 8             Label = ((Label)GridView1.Rows[i].FindControl("labXH")).Text;
　　 9             if (isChecked)
　　10             {
　　11                strDelete = "DB1_1" + "=" + Label;
　　12             }
　　13         }
　　14         conn.RunSql("Delete from DB1 where " + strDelete
　　15         this.chkSelectAll.Checked = false;
　　16         GridViewBind();
　　17     }
　　18 
　　19   protected void chkSelectAll_CheckedChanged(object sender, EventArgs e)
　　20     {
　　21         //遍历GridView行获取CheckBox属性
　　22     for (int i = 0; i < this.GridView1.Rows.Count; i++)
　　23         {
　　24             ((CheckBox)GridView1.Rows[i].FindControl("chkSelect")).Checked = this.chkSelectAll.Checked;
　　25         }
　　26     }