ASP.NET 登录界面
2010-05-11 09:36
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//default.aspx.cs
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Data.OleDb;
using System.Data.SqlClient;
using System.Runtime.InteropServices;
using System.Configuration;
using System.Web.UI.WebControls;
using System.Web.Services.Description;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
Button4.Attributes.Add("onclick", "window.open('Register.aspx')");//通过button4打开链接
string strConnection = ConfigurationManager.AppSettings["Str.Properties.Settings.masterConnectionString"].ToString();
SqlConnection objConnection = new SqlConnection(strConnection);
objConnection.Open();
SqlCommand cmd = new SqlCommand("select * from judging where name='" + TextBox1.Text.Trim() + "'", objConnection);
string sql = "select * from judging where name='" + TextBox1.Text + "'and password='" + TextBox2.Text + "'";
cmd.CommandText = sql;
/*
***********************************************************************************************
*判断是否有此ID,ExecuteScalar() return the first column of the first row in the result set.
*/
if (cmd.ExecuteScalar() == null)//无此用户
{
Label1.Text = "Sorry, please check your id and psw";
Button3.Visible = false;
}
else
{
Label1.Text ="Welcome to "+TextBox1.Text;
Button3.Visible = true;
}
}
protected void Button1_Click(object sender, EventArgs e)
{
Panel1.Visible = false;
Panel2.Visible = true;
}
protected void Button4_Click(object sender, EventArgs e)
{
}
protected void Button3_Click(object sender, EventArgs e)
{
}
protected void LinkButton1_Click(object sender, EventArgs e)
{
}
} //default.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!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>
<link rel="Stylesheet" href="mystyle.css" mce_href="mystyle.css" type="text/css" />
</head>
<body>
<form id="form1" runat="server">
<div class="tt">
<div class="menu">
Online Judge</div>
<div class="menu">
</div>
<div class="menu">
</div>
<div class="menu" align="center">
<asp:Panel ID="Panel1" runat="server" Height="127px">
Login<br />
<br />
username<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
<br />
password<asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>
<br />
<br />
<asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="submit" />
<asp:Button ID="Button4" runat="server" Text="Register" />
</asp:Panel>
<asp:Panel ID="Panel2" runat="server" Visible="False">
<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
<br />
<asp:Button ID="Button3" runat="server" onclick="Button3_Click" Text="修改密码" />
<br />
<br />
<input type="button" onclick="window.location='Register.aspx'" value="注册新用户" />
</asp:Panel>
</div>
</div>
</form>
</body>
</html> body {
}
.menu
{
margin:10px;
padding:10px;
font-size:14px;
display:block;
float:left;
background-image:url(pic/bglogin.png);
background-position:center;
background-repeat:repeat-x;
border-style:solid;
border-width:3px;
width:20%;
height:90%;
}
.menu ul
{
background-color:#41428b;
color:White;
width:100%;
}
.tt
{
height:150px;
} //Register.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Register.aspx.cs" Inherits="Register" %>
<!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>
</head>
<body>
<form id="form1" runat="server">
<div align="center">
<asp:CreateUserWizard ID="CreateUserWizard1" runat="server" BackColor="#F7F6F3"
BorderColor="#E6E2D8" BorderStyle="Solid" BorderWidth="1px"
Font-Names="Verdana" Font-Size="0.8em" Height="267px"
oncreateduser="CreateUserWizard1_CreatedUser" Width="318px">
<SideBarStyle BackColor="#5D7B9D" BorderWidth="0px" Font-Size="0.9em"
VerticalAlign="Top" />
<SideBarButtonStyle BorderWidth="0px" Font-Names="Verdana" ForeColor="White" />
<ContinueButtonStyle BackColor="#FFFBFF" BorderColor="#CCCCCC"
BorderStyle="Solid" BorderWidth="1px" Font-Names="Verdana"
ForeColor="#284775" />
<NavigationButtonStyle BackColor="#FFFBFF" BorderColor="#CCCCCC"
BorderStyle="Solid" BorderWidth="1px" Font-Names="Verdana"
ForeColor="#284775" />
<HeaderStyle BackColor="#5D7B9D" BorderStyle="Solid" Font-Bold="True"
Font-Size="0.9em" ForeColor="White" HorizontalAlign="Center" />
<CreateUserButtonStyle BackColor="#FFFBFF" BorderColor="#CCCCCC"
BorderStyle="Solid" BorderWidth="1px" Font-Names="Verdana"
ForeColor="#284775" />
<TitleTextStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />
<StepStyle BorderWidth="0px" />
<WizardSteps>
<asp:CreateUserWizardStep runat="server">
<ContentTemplate>
<table border="0"
style="font-family:Verdana;font-size:100%;height:267px;width:318px;">
<tr>
<td align="center" colspan="2"
style="color:White;background-color:#5D7B9D;font-weight:bold;" mce_style="color:White;background-color:#5D7B9D;font-weight:bold;">
注册新帐户</td>
</tr>
<tr>
<td align="right">
<asp:Label ID="UserNameLabel" runat="server" AssociatedControlID="UserName">用户名:</asp:Label>
</td>
<td>
<asp:TextBox ID="UserName" runat="server"></asp:TextBox>
<asp:RequiredFieldValidator ID="UserNameRequired" runat="server"
ControlToValidate="UserName" ErrorMessage="必须填写“用户名”。" ToolTip="必须填写“用户名”。"
ValidationGroup="CreateUserWizard1">*</asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td align="right">
<asp:Label ID="PasswordLabel" runat="server" AssociatedControlID="Password">密码:</asp:Label>
</td>
<td>
<asp:TextBox ID="Password" runat="server" TextMode="Password"></asp:TextBox>
<asp:RequiredFieldValidator ID="PasswordRequired" runat="server"
ControlToValidate="Password" ErrorMessage="必须填写“密码”。" ToolTip="必须填写“密码”。"
ValidationGroup="CreateUserWizard1">*</asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td align="right">
<asp:Label ID="ConfirmPasswordLabel" runat="server"
AssociatedControlID="ConfirmPassword">确认密码:</asp:Label>
</td>
<td>
<asp:TextBox ID="ConfirmPassword" runat="server"
ontextchanged="ConfirmPassword_TextChanged" TextMode="Password"></asp:TextBox>
<asp:RequiredFieldValidator ID="ConfirmPasswordRequired" runat="server"
ControlToValidate="ConfirmPassword" ErrorMessage="必须填写“确认密码”。"
ToolTip="必须填写“确认密码”。" ValidationGroup="CreateUserWizard1">*</asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td align="right">
<asp:Label ID="EmailLabel" runat="server" AssociatedControlID="Email">电子邮件:</asp:Label>
</td>
<td>
<asp:TextBox ID="Email" runat="server"></asp:TextBox>
<asp:RequiredFieldValidator ID="EmailRequired" runat="server"
ControlToValidate="Email" ErrorMessage="必须填写“电子邮件”。" ToolTip="必须填写“电子邮件”。"
ValidationGroup="CreateUserWizard1">*</asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td align="right">
<asp:Label ID="QuestionLabel" runat="server" AssociatedControlID="Question">安全提示问题:</asp:Label>
</td>
<td>
<asp:TextBox ID="Question" runat="server"></asp:TextBox>
<asp:RequiredFieldValidator ID="QuestionRequired" runat="server"
ControlToValidate="Question" ErrorMessage="必须填写“安全提示问题”。"
ToolTip="必须填写“安全提示问题”。" ValidationGroup="CreateUserWizard1">*</asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td align="right">
<asp:Label ID="AnswerLabel" runat="server" AssociatedControlID="Answer">安全答案:</asp:Label>
</td>
<td>
<asp:TextBox ID="Answer" runat="server"></asp:TextBox>
<asp:RequiredFieldValidator ID="AnswerRequired" runat="server"
ControlToValidate="Answer" ErrorMessage="必须填写“安全答案”。" ToolTip="必须填写“安全答案”。"
ValidationGroup="CreateUserWizard1">*</asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td align="center" colspan="2">
<asp:CompareValidator ID="PasswordCompare" runat="server"
ControlToCompare="Password" ControlToValidate="ConfirmPassword"
Display="Dynamic" ErrorMessage="“密码”和“确认密码”必须匹配。"
ValidationGroup="CreateUserWizard1"></asp:CompareValidator>
</td>
</tr>
<tr>
<td align="center" colspan="2" style="color:Red;" mce_style="color:Red;">
<asp:Literal ID="ErrorMessage" runat="server" EnableViewState="False"></asp:Literal>
</td>
</tr>
</table>
</ContentTemplate>
</asp:CreateUserWizardStep>
<asp:CompleteWizardStep runat="server" />
</WizardSteps>
</asp:CreateUserWizard>
</div>
</form>
</body>
</html> //Register.aspx.cs
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Data.OleDb;
using System.Data.SqlClient;
using System.Runtime.InteropServices;
using System.Configuration;
using System.Web.UI.WebControls;
using System.Web.Services.Description;
public partial class Register : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void CreateUserWizard1_CreatedUser(object sender, EventArgs e)
{
String user = CreateUserWizard1.UserName.ToString();
String psw = CreateUserWizard1.Password.ToString();
String psw2 = CreateUserWizard1.ConfirmPassword.ToString();
string strConnection = ConfigurationManager.AppSettings["Str.Properties.Settings.masterConnectionString"].ToString();
SqlConnection objConnection = new SqlConnection(strConnection);
objConnection.Open();
SqlCommand cmd = new SqlCommand("select * from judging where name='" + user + "'", objConnection);
/*
***********************************************************************************************
*判断是否有此ID,ExecuteScalar() return the first column of the first row in the result set.
*/
if (cmd.ExecuteScalar() == null)//无此用户
{
Response.Write("OK");
string user1 = CreateUserWizard1.UserName.ToString();
string psw1 = CreateUserWizard1.Password.ToString();
string sql = "insert into judging (userid,name,password) values('" + 50 + "','" + user1 + "','" + psw1 + "')";
cmd.CommandText = sql;
cmd.ExecuteNonQuery();
}
else
{
Response.Write("已创建此用户，please try another username");
}
}
protected void ConfirmPassword_TextChanged(object sender, EventArgs e)
{
}
}
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