<table align="center" cellpadding="0" cellspacing="0" class="style1"
style="height: 189px; width: 360px">
<tr>
<td class="style4">
用 户 名：</td>
<td class="style3">
<asp:TextBox ID="txtUserName" runat="server" Width="150px"></asp:TextBox>
</td>
<td>
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server"
ControlToValidate="txtUserName" Display="Dynamic" ErrorMessage="*"></asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td class="style4">
密 码：</td>
<td class="style3">
<asp:TextBox ID="txtPwd" runat="server" TextMode="Password" Width="150px"></asp:TextBox>
</td>
<td>
<asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server"
ControlToValidate="txtPwd" Display="Dynamic" ErrorMessage="*"></asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td class="style4">
安全问题：</td>
<td class="style3">
<asp:TextBox ID="txtquestion" runat="server" Width="150px"></asp:TextBox>
</td>
<td>
<asp:RequiredFieldValidator ID="RequiredFieldValidator3" runat="server"
ControlToValidate="txtquestion" Display="Dynamic" ErrorMessage="*"></asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td class="style4">
提示答案：</td>
<td class="style3">
<asp:TextBox ID="txtresult" runat="server" Width="150px"></asp:TextBox>
</td>
<td>
<asp:RequiredFieldValidator ID="RequiredFieldValidator4" runat="server"
ControlToValidate="txtresult" Display="Dynamic" ErrorMessage="*"></asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td class="style4">
电子邮件：</td>
<td class="style3">
<asp:TextBox ID="txtEmail" runat="server" Width="150px"></asp:TextBox>
</td>
<td valign="middle">
<asp:RequiredFieldValidator ID="RequiredFieldValidator5" runat="server"
ControlToValidate="txtEmail" Display="Dynamic" ErrorMessage="*"></asp:RequiredFieldValidator>
<asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server"
BorderStyle="Solid" BorderWidth="1px" ControlToValidate="txtEmail"
Display="Dynamic" ErrorMessage="邮件地址错误" Font-Overline="False" Font-Size="10pt"
ValidationExpression="\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*"></asp:RegularExpressionValidator>
</td>
</tr>
<tr>
<td class="style4">
</td>
<td colspan="2">
<asp:Button ID="Button1" runat="server" Text="注册" onclick="Button1_Click" />
<asp:Button ID="Button2" runat="server" Text="重置" onclick="Button2_Click" />
</td>
</tr>
</table>
using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.SqlClient;
public partial class login : System.Web.UI.UserControl
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button2_Click(object sender, EventArgs e)
{
txtEmail.Text = "";
txtPwd.Text = "";
txtquestion.Text = "";
txtresult.Text = "";
txtUserName.Text = "";
}
protected void Button1_Click(object sender, EventArgs e)
{
string sqlstr = System.Configuration.ConfigurationManager.AppSettings["con"].ToString();
SqlConnection conn = new SqlConnection(sqlstr);
conn.Open();
SqlCommand cmd = new SqlCommand();
cmd.Connection = conn;
cmd.CommandType = CommandType.Text;
cmd.CommandText = "select count(*) from Tb_Login where UseName='"+txtUserName.Text.Trim()+"'";
int flag=int.Parse(cmd.ExecuteScalar().ToString());
if (flag > 0)
{
Page.ClientScript.RegisterStartupScript(this.Parent.GetType(), "", "alert('该用户名已经存在');", true);
}
else
{
cmd.CommandText = "insert into Tb_Login(UseName,UsePassword,UserEmail,Question,UserKey) values ('" + txtUserName.Text + "','" + txtPwd.Text + "','" + txtEmail.Text + "','" + txtquestion.Text + "','" + txtresult.Text + "')";
if(cmd.ExecuteNonQuery()>0)
{
Page.ClientScript.RegisterStartupScript(this.Parent.GetType(), "", "alert('用户注册成功');", true);
}
else
{
Page.ClientScript.RegisterStartupScript(this.Parent.GetType(), "", "alert('用户注册失败');", true);
}
}
conn.Close();
}
}
