Asp.net登录问题。 [英] Asp.net Login problem.
本文介绍了Asp.net登录问题。的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
亲爱的先生，
i有网站但没有母版页。
i有代码每一页。
如上所述我也有代码fopre登录页面。
但是当我转到我项目中的另一个页面登录页面的会话是expire.it'自动注销。
我能做什么??
代码如下：
使用系统;
使用System.Collections;
使用System.Configuration;
使用System.Data;
使用System.Linq;
使用System.Web;使用System.Web.Security
;
使用System.Web.UI;
使用System.Web.UI.HtmlControls;
使用System.Web.UI.WebControls;
使用System.Web.UI.WebControls.WebParts;
使用System.Xml.Linq;
使用System.Net.Mail;
使用System.Data.SqlClient;
使用System.IO;
使用System.IO.Compression;
公共部分类登录：System.Web.UI.Page
{public string GetConnectionString（）
{
//设置Web配置文件中的连接字符串ConnString是连接字符串的名称
返回System.Configuration.ConfigurationManager.ConnectionStrings [ConnectionString]。ConnectionString;
}
protected void Page_Load（object sender，EventArgs e）
{
}
protected void LoginButton_Click（object sender，ImageClickEventArgs e）
{
string sql =stp_GetUserType;
try
{
SqlConnection conn = new SqlConnection（GetConnectionString（））;
conn.Open（）;
SqlCommand cmd = new SqlCommand（sql，conn）;
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue（@ UserName，UserName.Text）;
cmd.Parameters.AddWithValue（@ Password，Zip（Password.Text））;
SqlDataReader objReader = cmd.ExecuteReader（）;
if（objReader.Read（））
{
int nResult = Convert.ToInt32（objReader [0]）;
if（nResult == 1）
{
// Admin
Div1.Visible = false;
DivLogOff.Visible = true;
lblLoginUserName.Text = UserName.Text;
Session [IsAdmin] = true;
Session [LoginUser] = UserName.Text;
}
否则if（nResult == 0）
{
//正常
Div1.Visible = false;
DivLogOff.Visible = true;
lblLoginUserName.Text = UserName.Text;
Session [IsAdmin] = false;
Session [LoginUser] = UserName.Text;
}
else
{
//无效用户
Div1.Visible = true;
DivLogOff.Visible = false;
会话[IsAdmin] = false;
}
}
else
{
}
if（Page is IPage）
{
（（IPage）Page）。Login（）;
}
conn.Close（）;
}
catch（SqlException ex）
{
}
{
string a;
a = lblCurrentlyUserText.Text;
Session [Item] = a;
}
}
protected void LogoffButton_Click（object sender，ImageClickEventArgs e）
{
{
Session [LoginUser] = null ;
DivLogOff.Visible = false;
Div1.Visible = true;
if（Page is IPage）
{
（（IPage）Page）。Logof（）;
}
}
}
public byte [] Zip（字符串值）
{
//将字符串转换为byte []
byte [] byteArray = new byte [value.Length];
int indexBA = 0;
foreach（value.ToCharArray（）中的char项）
{
byteArray [indexBA ++] =（byte）item;
}
//准备压缩
System.IO.MemoryStream ms = new System.IO.MemoryStream（）;
System.IO.Compression.GZipStream sw = new System.IO.Compression.GZipStream（ms，
System.IO.Compression.CompressionMode.Compress）;
//压缩
sw.Write（byteArray，0，byteArray.Length）;
//关闭，不要FLUSH导致字节丢失...
sw.Close（）;
//将byte [] zip数据转换为字符串
byteArray = ms.ToArray（）;
//System.Text.StringBuilder sB = new System.Text.StringBuilder（byteArray.Length）;
// foreach（byteArray中的字节项）
// {
// sB.Append（（char）item）;
//}
//ms.Close（）;
//sw.Dispose（）;
//ms.Dispose（）;
//返回sB.ToString（）;
返回byteArray;
}
public static string UnZip（string value）
{
//将字符串转换为byte []
byte [] byteArray = new byte [ value.Length];
int indexBA = 0;
foreach（value.ToCharArray（）中的char项）
{
byteArray [indexBA ++] =（byte）item;
}
//准备解压缩
System.IO.MemoryStream ms = new System.IO.MemoryStream（byteArray）;
System.IO.Compression.GZipStream sr = new System.IO.Compression.GZipStream（ms，
System.IO.Compression.CompressionMode.Decompress）;
//重置变量以收集未压缩的结果
byteArray = new byte [byteArray.Length];
//解压缩
int rByte = sr.Read（byteArray，0，byteArray.Length）;
//将byte []解压缩数据转换为字符串
System.Text.StringBuilder sB = new System.Text.StringBuilder（rByte）;
//读取GZipStream红色的字节数，不要为
// resultByteArray中的每个字节a;
for（int i = 0; i< rByte; i ++）
{
sB.Append（（char）byteArray [i]）;
}
sr.Close（）;
ms.Close（）;
sr.Dispose（）;
ms.Dispose（）;
返回sB.ToString（）;
}
}
解决方案
请参阅我最近回答的问题此处
Dear Sir,
i Have website but does not having Master page.
i have code for each and every page .
as above i have also code fopre login page .
but when i go to another page in my project the session of login page is expire.it''s automatically logout .
What can i do??
code is as follows :
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.Net.Mail;
using System.Data.SqlClient;
using System.IO;
using System.IO.Compression;
public partial class Login : System.Web.UI.Page
{public string GetConnectionString()
{
//sets the connection string from your web config file "ConnString" is the name of your Connection String
return System.Configuration.ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
}
protected void Page_Load(object sender, EventArgs e)
{
}
protected void LoginButton_Click(object sender, ImageClickEventArgs e)
{
string sql = "stp_GetUserType";
try
{
SqlConnection conn = new SqlConnection(GetConnectionString());
conn.Open();
SqlCommand cmd = new SqlCommand(sql, conn);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@UserName", UserName.Text);
cmd.Parameters.AddWithValue("@Password", Zip(Password.Text));
SqlDataReader objReader = cmd.ExecuteReader();
if (objReader.Read())
{
int nResult = Convert.ToInt32(objReader[0]);
if (nResult == 1)
{
//Admin
Div1.Visible = false;
DivLogOff.Visible = true;
lblLoginUserName.Text = UserName.Text;
Session["IsAdmin"] = true;
Session["LoginUser"] = UserName.Text;
}
else if (nResult == 0)
{
//Normal
Div1.Visible = false;
DivLogOff.Visible = true;
lblLoginUserName.Text = UserName.Text;
Session["IsAdmin"] = false;
Session["LoginUser"] = UserName.Text;
}
else
{
//Invalid User
Div1.Visible = true;
DivLogOff.Visible = false;
Session["IsAdmin"] = false;
}
}
else
{
}
if (Page is IPage)
{
((IPage)Page).Login();
}
conn.Close();
}
catch (SqlException ex)
{
}
{
string a;
a = lblCurrentlyUserText.Text;
Session["Item"] = a;
}
}
protected void LogoffButton_Click(object sender, ImageClickEventArgs e)
{
{
Session["LoginUser"] = null;
DivLogOff.Visible = false;
Div1.Visible = true;
if (Page is IPage)
{
((IPage)Page).Logof();
}
}
}
public byte[] Zip(string value)
{
//Transform string into byte[]
byte[] byteArray = new byte[value.Length];
int indexBA = 0;
foreach (char item in value.ToCharArray())
{
byteArray[indexBA++] = (byte)item;
}
//Prepare for compress
System.IO.MemoryStream ms = new System.IO.MemoryStream();
System.IO.Compression.GZipStream sw = new System.IO.Compression.GZipStream(ms,
System.IO.Compression.CompressionMode.Compress);
//Compress
sw.Write(byteArray, 0, byteArray.Length);
//Close, DO NOT FLUSH cause bytes will go missing...
sw.Close();
//Transform byte[] zip data to string
byteArray = ms.ToArray();
//System.Text.StringBuilder sB = new System.Text.StringBuilder(byteArray.Length);
//foreach (byte item in byteArray)
//{
// sB.Append((char)item);
//}
//ms.Close();
//sw.Dispose();
//ms.Dispose();
//return sB.ToString();
return byteArray;
}
public static string UnZip(string value)
{
//Transform string into byte[]
byte[] byteArray = new byte[value.Length];
int indexBA = 0;
foreach (char item in value.ToCharArray())
{
byteArray[indexBA++] = (byte)item;
}
//Prepare for decompress
System.IO.MemoryStream ms = new System.IO.MemoryStream(byteArray);
System.IO.Compression.GZipStream sr = new System.IO.Compression.GZipStream(ms,
System.IO.Compression.CompressionMode.Decompress);
//Reset variable to collect uncompressed result
byteArray = new byte[byteArray.Length];
//Decompress
int rByte = sr.Read(byteArray, 0, byteArray.Length);
//Transform byte[] unzip data to string
System.Text.StringBuilder sB = new System.Text.StringBuilder(rByte);
//Read the number of bytes GZipStream red and do not a for each bytes in
//resultByteArray;
for (int i = 0; i < rByte; i++)
{
sB.Append((char)byteArray[i]);
}
sr.Close();
ms.Close();
sr.Dispose();
ms.Dispose();
return sB.ToString();
}
} 解决方案
Refer to my recently answered question here
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