<div id="maincontainer">
<div id="registertitle">
<img src="images/registerlabel.gif" alt="" />
</div>
<div id="registercontainer">
<div id="registercontent">
<p>
<span>用户Email:</span><input type="text" id="name" runat="server" />
</p>
<p>
<span>设置密码:</span><input type="password" id="password" runat="server" />
</p>
<p>
<span>确认密码:</span><input type="password" id="surepassword" runat="server" />
</p>
<p>
<span>手机号码:</span><input type="text" id="phone" runat="server" />
</p>
<p>
<span>验证码:</span>
<input type="text" id="validate" runat="server" />
<img src="images/vcode.bmp" alt="" />
</p>
<p class="btnpos">
<span> </span><asp:ImageButton ID="register" runat="server" ImageUrl="images/register.png"
OnClick="register_Click" /><a href="Login.aspx"></a>
</p>
</div>
</div>
</div>
<asp:SqlDataSource ID="SqlDataSource1" runat="server"></asp:SqlDataSource>
<div id="registertitle">
<img src="images/registerlabel.gif" alt="" />
</div>
<div id="registercontainer">
<div id="registercontent">
<p>
<span>用户Email:</span><input type="text" id="name" runat="server" />
</p>
<p>
<span>设置密码:</span><input type="password" id="password" runat="server" />
</p>
<p>
<span>确认密码:</span><input type="password" id="surepassword" runat="server" />
</p>
<p>
<span>手机号码:</span><input type="text" id="phone" runat="server" />
</p>
<p>
<span>验证码:</span>
<input type="text" id="validate" runat="server" />
<img src="images/vcode.bmp" alt="" />
</p>
<p class="btnpos">
<span> </span><asp:ImageButton ID="register" runat="server" ImageUrl="images/register.png"
OnClick="register_Click" /><a href="Login.aspx"></a>
</p>
</div>
</div>
</div>
<asp:SqlDataSource ID="SqlDataSource1" runat="server"></asp:SqlDataSource>
2. 你说的connectionstring一般都是放在web.config文件里面的。
3. 你说的一些配置,登陆,验证都写在后台程序中。