ASP.Net求教育 Button1点击不进后台!该怎么处理

ASP.Net求教育 Button1点击不进后台!
HTML code

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
    <style type="text/css">
        .style2
        {
            width: 181px;
        }
        .style3
        {
            width: 442px;
        }
        .style4
        {
            width: 371px;
        }
        .style6
        {
            width: 391px;
        }
        .style7
        {
             color:Silver;
        }
    </style>
    <script type="text/javascript" >
        function checkEmail() {
            if (document.getElementById("email").value != "") {
                var emailValue = document.getElementById("email").value;
                if (emailValue != "") {
                    if (!isEmail(emailValue)) {
                        var visib = document.getElementById("CompareValidator2");
                        visib.innerText="邮件格式错误";
                        document.getElementById("email").focus();
                        return false;
                    }
                    else {
                        var visib = document.getElementById("CompareValidator2");
                        visib.innerText = "";
                        return true;
                    }
                }
            }
        }
        function isEmail(str) {
            var reg = /^(\w)+(\.\w+)*@(\w)+((\.\w+)+)$/;
            return reg.test(str);
        }
        function Password_changed() {
            var pws = document.getElementById("Password1");
            if (pws.value != "") {
                var txt1 = document.getElementById("Password1").value;
            }
            if (document.getElementById("Password2").value != "") {
                var txt2 = document.getElementById("Password2").value;
            }
            if (txt1 != txt2 != "") {
                document.getElementById("CompareValidator1").innerText = "两次密码不一致";
            }
            else
                if (txt1 == txt2) {
                    document.getElementById("CompareValidator1").innerText = "";
                }
            }
            function Button2_Click() {
                document.getElementById("TextBox1").value="";
                document.getElementById("Password1").value = "";
                document.getElementById("Password2").value = "";
                document.getElementById("Gender").selectitem=1;
                document.getElementById("TextBox6").value = "";
                document.getElementById("email").value = "";
                document.getElementById("yanzheng").value = "";
            }
    </script>
</head>
<body runat="server">
    <form id="form1" runat="server">
            <cc2:ToolkitScriptManager ID="ToolkitScriptManager1" runat="server">
    </cc2:ToolkitScriptManager>
    <center>
        <table style="width:72%;">
            <tr>
                <td class="style3">
                    &nbsp;</td>
                <td class="style2" align="right">
                    <asp:Label ID="Label1" runat="server" Text="用户名:"></asp:Label>
                </td>
                <td align="right" class="style6">
                    <asp:TextBox ID="TextBox1" runat="server"  Width="150px"></asp:TextBox>
                    <cc2:TextBoxWatermarkExtender ID="TextBox1_TextBoxWatermarkExtender" 
                        runat="server" Enabled="True" TargetControlID="TextBox1" 
                        WatermarkText="请输入真实姓名" WatermarkCssClass="style7">
                    </cc2:TextBoxWatermarkExtender>
                </td>
                <td class="style4">
                    &nbsp;</td>
            </tr>
            <tr>
                <td class="style3">
                    &nbsp;</td>
                <td class="style2" align="right">
                    <asp:Label ID="Label3" runat="server" Text="密码:"></asp:Label>
                </td>
                <td align="right" class="style6">
                    <asp:TextBox ID="Password1" name="Password1" runat="server" Width="150px"  TextMode="Password" onchange="Password_changed()"></asp:TextBox>
                    <cc2:PasswordStrength ID="TextBox3_PasswordStrength" runat="server" 
                        PrefixText="强度:" TargetControlID="Password1">
                    </cc2:PasswordStrength>
                </td>
                <td class="style4" >
                    <asp:CompareValidator ID="CompareValidator1" runat="server" 
                        ControlToValidate="Password2" ForeColor="Red" SetFocusOnError="True"></asp:CompareValidator>
                </td>
            </tr>
            <tr>
                <td class="style3">
                    &nbsp;</td>
                <td class="style2" align="right">
                    <asp:Label ID="Label4" runat="server" Text="确认密码:"></asp:Label>
                </td>
                <td align="right" class="style6">
                    <asp:TextBox ID="Password2" runat="server" Width="150px" TextMode="Password" 
                         onchange="Password_changed()"></asp:TextBox>
                    <cc2:PasswordStrength ID="TextBox4_PasswordStrength" runat="server" 
                        PrefixText="强度:" RequiresUpperAndLowerCaseCharacters="True" 
                        TargetControlID="Password2" BehaviorID="Password2_PasswordStrength">
                    </cc2:PasswordStrength>
                </td>
                <td class="style4">
                    &nbsp;</td>
            </tr>
            <tr>
                <td class="style3">
                    &nbsp;</td>
                <td class="style2" align="right">
                    <asp:Label ID="Label5" runat="server" Text="性别:"></asp:Label>
                </td>
                <td align="right" class="style6">

                    <asp:DropDownList ID="Gender" runat="server">
                        <asp:ListItem Value="0">男</asp:ListItem>
                        <asp:ListItem Value="1">女</asp:ListItem>
                    </asp:DropDownList>
                    </td>
                <td class="style4">
                    &nbsp;</td>
            </tr>
            <tr>
                <td class="style3">
                    &nbsp;</td>
                <td class="style2" align="right">
                    <asp:Label ID="Label6" runat="server" Text="出生年月:"></asp:Label>
                </td>
                <td align="right" class="style6">
                    <asp:TextBox ID="TextBox6" runat="server" Width="150px"></asp:TextBox>
                    <cc2:CalendarExtender ID="TextBox6_CalendarExtender" runat="server" 
                        Format="yyyy/MM/dd" TargetControlID="TextBox6">
                    </cc2:CalendarExtender>
                </td>
                <td class="style4">
                    &nbsp;</td>
            </tr>
            <tr>
                <td class="style3">
                    &nbsp;</td>
                <td class="style2" align="right">
                    <asp:Label ID="Label7" runat="server" Text="Email:"></asp:Label>
                </td>
                <td align="right" class="style6">
                    <asp:TextBox ID="email" runat="server" Width="150px" 
                            onchange="checkEmail()"
                         ></asp:TextBox>
                </td>
                <td class="style4">
                    <asp:CompareValidator ID="CompareValidator2" runat="server" ForeColor="Red" 
                        ControlToValidate="email"></asp:CompareValidator>
                </td>
            </tr>
            <tr>
                <td class="style3">
                    &nbsp;</td>
                <td class="style2" align="right">
                    <asp:Button ID="Button1" runat="server" Text="注册"  
                       OnClick="Button1_Click1"/>
                </td>
                <td align="right" class="style6">
                    <asp:Button  ID="Button2" runat="server" text="重置"  OnClientClick="Button2_Click()" />
                </td>
                <td class="style4">
                    &nbsp;</td>
            </tr>
        </table>
    </center>
    </form>
</body>
</html>