<script type="text/javascript">

  //<![CDATA[

  function CheckAll(oCheckbox)

  {

   var GridView1 = document.getElementById("<%=GridView1.ClientID %>");

   for(i = ;i < GridView1.rows.length-; i++)

   {

    GridView1.rows[i].cells[].getElementsByTagName("INPUT")[].checked = oCheckbox.checked;

   }

  }

  //]]>

  </script>

 <asp:GridView ID="GridView1" runat="server" Font-Size="12px" BackColor="#FFFFFF"

            GridLines="Both" CellPadding="" DataKeyNames="id" AutoGenerateColumns="false"  OnRowCancelingEdit="GridView1_RowCancelingEdit" OnRowDataBound="GridView1_RowDataBound" OnRowDeleting="GridView1_RowDeleting" OnRowEditing="GridView1_RowEditing" OnRowUpdating="GridView1_RowUpdating" AllowPaging="True" OnPageIndexChanging="GridView1_PageIndexChanging1">

            <HeaderStyle BackColor="#EDEDED" Height="26px" />

            <Columns>

              <asp:TemplateField>

                <HeaderTemplate>

                  <input id="Checkbox2" type="checkbox" onclick="CheckAll(this)" runat="server" /><label>全选</label>

                </HeaderTemplate>

                <ItemTemplate>

                  <asp:CheckBox ID="ItemCheckBox" runat="server" />

                </ItemTemplate>

              </asp:TemplateField>

              <asp:TemplateField HeaderText="序号">

<ItemTemplate>

<%#Container.DataItemIndex + %>

</ItemTemplate>

</asp:TemplateField>

                <asp:BoundField DataField="id" HeaderText="编号" ReadOnly="True" />

                <asp:BoundField DataField="name" HeaderText="姓名" ReadOnly="True" />

                <asp:TemplateField HeaderText="身份证号">

                        <ItemTemplate>

                            <%#Eval("card") %>

                        </ItemTemplate>

                        <EditItemTemplate>

                            <asp:TextBox ID="TBCard" Text='<%#Eval("card") %>' runat="server"></asp:TextBox>

                            <asp:RequiredFieldValidator ID="RequiredFieldValidator1" Display="Dynamic" ControlToValidate="TBCard" runat="server" ErrorMessage="请填写身份证号"></asp:RequiredFieldValidator>

                        </EditItemTemplate>

                    </asp:TemplateField>

                    <asp:TemplateField HeaderText="学历">

                        <ItemTemplate>

                            <%#Eval("xueliText")%>

                        </ItemTemplate>

                        <EditItemTemplate>

                        <asp:HiddenField ID="HDFXueli" runat="server" Value='<%#Eval("xueli") %>' />

                            <asp:DropDownList ID="DDLXueli" runat="server">

                            </asp:DropDownList>

                        </EditItemTemplate>

                    </asp:TemplateField>

                    <asp:TemplateField HeaderText="价格">

                        <ItemTemplate>

                            <%#Eval("price")%>

                        </ItemTemplate>

                        <EditItemTemplate>

                             <asp:TextBox ID="TBPrice" Text='<%#Eval("price") %>' runat="server"></asp:TextBox>

                        </EditItemTemplate>

                    </asp:TemplateField>

          <asp:BoundField HeaderText="建立时间" DataField="createdate" ReadOnly="True" />

               <asp:CommandField   ShowEditButton="True" HeaderText="修改" />

               <asp:TemplateField HeaderText="删除">

                <ItemTemplate>

                    <asp:LinkButton ID="LinkButton1" runat="server" CausesValidation="False" CommandName="Delete"

                        Text="删除" OnClientClick="return confirm('您确认删除该记录吗?');"></asp:LinkButton>

                </ItemTemplate>

              </asp:TemplateField>

            </Columns>

 </asp:GridView>  

protected void CheckAll(object sender, EventArgs e)

 {

        CheckBox cbx = (CheckBox)sender;

        foreach (GridViewRow gvr in GridView1.Rows)

        {

            CheckBox ch = (CheckBox)gvr.FindControl("ItemCheckBox");

            ch.Checked = cbx.Checked;

        }

    }

    protected void Button1_Click(object sender, EventArgs e)

    {

        this.Label1.Text = "";

        foreach (GridViewRow gvr in GridView1.Rows)

        {

            CheckBox ch = (CheckBox)gvr.FindControl("ItemCheckBox");

            if (ch.Checked)

            {

                this.Label1.Text += "<li>GridView1 您选择的是（键值）：" + GridView1.DataKeys[gvr.RowIndex].Value.ToString();

            }

        }

    }