C# 无法连接到任何指定的MySQL主机，以前的代码正常工作
摘要：C# 无法连接到任何指定的MySQL主机，以前的代码正常工作,c#,mysql,asp.net,web-config,C#,Mysql,Asp.net,Web Config,摘要： MySql.Data.MySqlClient.MySqlException: Unable to connect to any of the specified MySQL hosts. ---> System.Security.SecurityException: Request for the permission of type 'System.Net.SocketPermission, System, Version=2.0.0.0, Culture
MySql.Data.MySqlClient.MySqlException: Unable to connect to any of the specified MySQL hosts. ---> System.Security.SecurityException: Request for the permission of type 'System.Net.SocketPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
at System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet)
at System.Security.CodeAccessPermission.Demand()
at System.Net.Sockets.Socket.CheckCacheRemote(EndPoint& remoteEP, Boolean isOverwrite)
at System.Net.Sockets.Socket.BeginConnectEx(EndPoint remoteEP, Boolean flowContext, AsyncCallback callback, Object state)
at System.Net.Sockets.Socket.BeginConnect(EndPoint remoteEP, AsyncCallback callback, Object state)
at MySql.Data.Common.StreamCreator.CreateSocketStream(IPAddress ip, Boolean unix) at MySql.Data.Common.StreamCreator.GetStream(UInt32 timeout)
at MySql.Data.MySqlClient.NativeDriver.Open()
The action that failed was: Demand
The type of the first permission that failed was: System.Net.SocketPermission
The first permission that failed was:
The demand was for:
The granted set of the failing assembly was:
The assembly or AppDomain that failed was: MySql.Data, Version=6.2.4.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d
The method that caused the failure was: System.IO.Stream CreateSocketStream(System.Net.IPAddress, Boolean)
The Zone of the assembly that failed was: Intranet The Url of the assembly that failed was: file://PROAPPSRV/inetpub/wwwroot/MyChiller/bin/MySql.Data.DLL -
-- End of inner exception stack trace ---
at MySql.Data.MySqlClient.NativeDriver.Open() at MySql.Data.MySqlClient.Driver.Open() at MySql.Data.MySqlClient.Driver.Create(MySqlConnectionStringBuilder settings) at MySql.Data.MySqlClient.MySqlPool.CreateNewPooledConnection()
at MySql.Data.MySqlClient.MySqlPool.GetPooledConnection() at MySql.Data.MySqlClient.MySqlPool.TryToGetDriver()
at MySql.Data.MySqlClient.MySqlPool.GetConnection()
at MySql.Data.MySqlClient.MySqlConnection.Open()
at TCCVC_Login.ValidateUser(Object sender, EventArgs e)
using (MySqlConnection conn = new MySqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["newrst110ConnectionString"].ConnectionString))
{
using (MySqlCommand cmd = conn.CreateCommand())
{
try
{
cmd.Connection = conn;
conn.Open();
cmd.CommandText = @"SELECT custpass AS hash, (lastlogin IS NOT NULL) AS firstLogin FROM rts110.mychiller_users
WHERE custusername = @user";
cmd.Parameters.AddWithValue("@user", Login1.UserName);
MySqlDataReader reader = cmd.ExecuteReader();
DataTable returnTable = new DataTable();
returnTable.Load(reader);
reader.Close();
// UPDATE LAST LOGIN DATE
cmd.CommandText = @"UPDATE mychiller_users
SET lastLogin = CURDATE()
WHERE custusername = @userName";
cmd.Parameters.AddWithValue("@userName", Login1.UserName);
cmd.ExecuteNonQuery();
cmd.Dispose();
// . . .
// Additional code down here that handles the return and closes the connection.
<add name="newrst110ConnectionString" connectionString="Datasource=70.103.118.100;Database=rts110;uid=####;pwd=####;" providerName="MySql.Data.MySqlClient"/>
Server Error in '/' Application.
Security Exception
Description: The application attempted to perform an operation not allowed by the security policy. To grant this application the required permission please contact your system administrator or change the application's trust level in the configuration file.
Exception Details: System.Security.SecurityException: Request for the permission of type 'System.Net.SocketPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[SecurityException: Request for the permission of type 'System.Net.SocketPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.]
System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet) +0
System.Security.CodeAccessPermission.Demand() +54
System.Net.Sockets.Socket.CheckCacheRemote(EndPoint& remoteEP, Boolean isOverwrite) +270
System.Net.Sockets.Socket.BeginConnectEx(EndPoint remoteEP, Boolean flowContext, AsyncCallback callback, Object state) +175
System.Net.Sockets.Socket.BeginConnect(EndPoint remoteEP, AsyncCallback callback, Object state) +179
MySql.Data.Common.StreamCreator.CreateSocketStream(IPAddress ip, Boolean unix) +239
MySql.Data.Common.StreamCreator.GetStream(UInt32 timeout) +650
MySql.Data.MySqlClient.NativeDriver.Open() +366
MySql.Data.MySqlClient.MySqlException: Unable to connect to any of the specified MySQL hosts. ---> System.Security.SecurityException: Request for the permission of type 'System.Net.SocketPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
at System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet)
at System.Security.CodeAccessPermission.Demand()
at System.Net.Sockets.Socket.CheckCacheRemote(EndPoint& remoteEP, Boolean isOverwrite)
at System.Net.Sockets.Socket.BeginConnectEx(EndPoint remoteEP, Boolean flowContext, AsyncCallback callback, Object state)
at System.Net.Sockets.Socket.BeginConnect(EndPoint remoteEP, AsyncCallback callback, Object state)
at MySql.Data.Common.StreamCreator.CreateSocketStream(IPAddress ip, Boolean unix) at MySql.Data.Common.StreamCreator.GetStream(UInt32 timeout)
at MySql.Data.MySqlClient.NativeDriver.Open()
The action that failed was: Demand
The type of the first permission that failed was: System.Net.SocketPermission
The first permission that failed was:
The demand was for:
The granted set of the failing assembly was:
The assembly or AppDomain that failed was: MySql.Data, Version=6.2.4.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d
The method that caused the failure was: System.IO.Stream CreateSocketStream(System.Net.IPAddress, Boolean)
The Zone of the assembly that failed was: Intranet The Url of the assembly that failed was: file://PROAPPSRV/inetpub/wwwroot/MyChiller/bin/MySql.Data.DLL -
-- End of inner exception stack trace ---
at MySql.Data.MySqlClient.NativeDriver.Open() at MySql.Data.MySqlClient.Driver.Open() at MySql.Data.MySqlClient.Driver.Create(MySqlConnectionStringBuilder settings) at MySql.Data.MySqlClient.MySqlPool.CreateNewPooledConnection()
at MySql.Data.MySqlClient.MySqlPool.GetPooledConnection() at MySql.Data.MySqlClient.MySqlPool.TryToGetDriver()
at MySql.Data.MySqlClient.MySqlPool.GetConnection()
at MySql.Data.MySqlClient.MySqlConnection.Open()
at TCCVC_Login.ValidateUser(Object sender, EventArgs e)
using (MySqlConnection conn = new MySqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["newrst110ConnectionString"].ConnectionString))
{
using (MySqlCommand cmd = conn.CreateCommand())
{
try
{
cmd.Connection = conn;
conn.Open();
cmd.CommandText = @"SELECT custpass AS hash, (lastlogin IS NOT NULL) AS firstLogin FROM rts110.mychiller_users
WHERE custusername = @user";
cmd.Parameters.AddWithValue("@user", Login1.UserName);
MySqlDataReader reader = cmd.ExecuteReader();
DataTable returnTable = new DataTable();
returnTable.Load(reader);
reader.Close();
// UPDATE LAST LOGIN DATE
cmd.CommandText = @"UPDATE mychiller_users
SET lastLogin = CURDATE()
WHERE custusername = @userName";
cmd.Parameters.AddWithValue("@userName", Login1.UserName);
cmd.ExecuteNonQuery();
cmd.Dispose();
// . . .
// Additional code down here that handles the return and closes the connection.
<add name="newrst110ConnectionString" connectionString="Datasource=70.103.118.100;Database=rts110;uid=####;pwd=####;" providerName="MySql.Data.MySqlClient"/>
Server Error in '/' Application.
Security Exception
Description: The application attempted to perform an operation not allowed by the security policy. To grant this application the required permission please contact your system administrator or change the application's trust level in the configuration file.
Exception Details: System.Security.SecurityException: Request for the permission of type 'System.Net.SocketPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[SecurityException: Request for the permission of type 'System.Net.SocketPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.]
System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet) +0
System.Security.CodeAccessPermission.Demand() +54
System.Net.Sockets.Socket.CheckCacheRemote(EndPoint& remoteEP, Boolean isOverwrite) +270
System.Net.Sockets.Socket.BeginConnectEx(EndPoint remoteEP, Boolean flowContext, AsyncCallback callback, Object state) +175
System.Net.Sockets.Socket.BeginConnect(EndPoint remoteEP, AsyncCallback callback, Object state) +179
MySql.Data.Common.StreamCreator.CreateSocketStream(IPAddress ip, Boolean unix) +239
MySql.Data.Common.StreamCreator.GetStream(UInt32 timeout) +650
MySql.Data.MySqlClient.NativeDriver.Open() +366
MySql.Data.MySqlClient.MySqlException: Unable to connect to any of the specified MySQL hosts. ---> System.Security.SecurityException: Request for the permission of type 'System.Net.SocketPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
at System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet)
at System.Security.CodeAccessPermission.Demand()
at System.Net.Sockets.Socket.CheckCacheRemote(EndPoint& remoteEP, Boolean isOverwrite)
at System.Net.Sockets.Socket.BeginConnectEx(EndPoint remoteEP, Boolean flowContext, AsyncCallback callback, Object state)
at System.Net.Sockets.Socket.BeginConnect(EndPoint remoteEP, AsyncCallback callback, Object state)
at MySql.Data.Common.StreamCreator.CreateSocketStream(IPAddress ip, Boolean unix) at MySql.Data.Common.StreamCreator.GetStream(UInt32 timeout)
at MySql.Data.MySqlClient.NativeDriver.Open()
The action that failed was: Demand
The type of the first permission that failed was: System.Net.SocketPermission
The first permission that failed was:
The demand was for:
The granted set of the failing assembly was:
The assembly or AppDomain that failed was: MySql.Data, Version=6.2.4.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d
The method that caused the failure was: System.IO.Stream CreateSocketStream(System.Net.IPAddress, Boolean)
The Zone of the assembly that failed was: Intranet The Url of the assembly that failed was: file://PROAPPSRV/inetpub/wwwroot/MyChiller/bin/MySql.Data.DLL -
-- End of inner exception stack trace ---
at MySql.Data.MySqlClient.NativeDriver.Open() at MySql.Data.MySqlClient.Driver.Open() at MySql.Data.MySqlClient.Driver.Create(MySqlConnectionStringBuilder settings) at MySql.Data.MySqlClient.MySqlPool.CreateNewPooledConnection()
at MySql.Data.MySqlClient.MySqlPool.GetPooledConnection() at MySql.Data.MySqlClient.MySqlPool.TryToGetDriver()
at MySql.Data.MySqlClient.MySqlPool.GetConnection()
at MySql.Data.MySqlClient.MySqlConnection.Open()
at TCCVC_Login.ValidateUser(Object sender, EventArgs e)
using (MySqlConnection conn = new MySqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["newrst110ConnectionString"].ConnectionString))
{
using (MySqlCommand cmd = conn.CreateCommand())
{
try
{
cmd.Connection = conn;
conn.Open();
cmd.CommandText = @"SELECT custpass AS hash, (lastlogin IS NOT NULL) AS firstLogin FROM rts110.mychiller_users
WHERE custusername = @user";
cmd.Parameters.AddWithValue("@user", Login1.UserName);
MySqlDataReader reader = cmd.ExecuteReader();
DataTable returnTable = new DataTable();
returnTable.Load(reader);
reader.Close();
// UPDATE LAST LOGIN DATE
cmd.CommandText = @"UPDATE mychiller_users
SET lastLogin = CURDATE()
WHERE custusername = @userName";
cmd.Parameters.AddWithValue("@userName", Login1.UserName);
cmd.ExecuteNonQuery();
cmd.Dispose();
// . . .
// Additional code down here that handles the return and closes the connection.
<add name="newrst110ConnectionString" connectionString="Datasource=70.103.118.100;Database=rts110;uid=####;pwd=####;" providerName="MySql.Data.MySqlClient"/>
Server Error in '/' Application.
Security Exception
Description: The application attempted to perform an operation not allowed by the security policy. To grant this application the required permission please contact your system administrator or change the application's trust level in the configuration file.
Exception Details: System.Security.SecurityException: Request for the permission of type 'System.Net.SocketPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[SecurityException: Request for the permission of type 'System.Net.SocketPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.]
System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet) +0
System.Security.CodeAccessPermission.Demand() +54
System.Net.Sockets.Socket.CheckCacheRemote(EndPoint& remoteEP, Boolean isOverwrite) +270
System.Net.Sockets.Socket.BeginConnectEx(EndPoint remoteEP, Boolean flowContext, AsyncCallback callback, Object state) +175
System.Net.Sockets.Socket.BeginConnect(EndPoint remoteEP, AsyncCallback callback, Object state) +179
MySql.Data.Common.StreamCreator.CreateSocketStream(IPAddress ip, Boolean unix) +239
MySql.Data.Common.StreamCreator.GetStream(UInt32 timeout) +650
MySql.Data.MySqlClient.NativeDriver.Open() +366
MySql.Data.MySqlClient.MySqlException: Unable to connect to any of the specified MySQL hosts. ---> System.Security.SecurityException: Request for the permission of type 'System.Net.SocketPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
at System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet)
at System.Security.CodeAccessPermission.Demand()
at System.Net.Sockets.Socket.CheckCacheRemote(EndPoint& remoteEP, Boolean isOverwrite)
at System.Net.Sockets.Socket.BeginConnectEx(EndPoint remoteEP, Boolean flowContext, AsyncCallback callback, Object state)
at System.Net.Sockets.Socket.BeginConnect(EndPoint remoteEP, AsyncCallback callback, Object state)
at MySql.Data.Common.StreamCreator.CreateSocketStream(IPAddress ip, Boolean unix) at MySql.Data.Common.StreamCreator.GetStream(UInt32 timeout)
at MySql.Data.MySqlClient.NativeDriver.Open()
The action that failed was: Demand
The type of the first permission that failed was: System.Net.SocketPermission
The first permission that failed was:
The demand was for:
The granted set of the failing assembly was:
The assembly or AppDomain that failed was: MySql.Data, Version=6.2.4.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d
The method that caused the failure was: System.IO.Stream CreateSocketStream(System.Net.IPAddress, Boolean)
The Zone of the assembly that failed was: Intranet The Url of the assembly that failed was: file://PROAPPSRV/inetpub/wwwroot/MyChiller/bin/MySql.Data.DLL -
-- End of inner exception stack trace ---
at MySql.Data.MySqlClient.NativeDriver.Open() at MySql.Data.MySqlClient.Driver.Open() at MySql.Data.MySqlClient.Driver.Create(MySqlConnectionStringBuilder settings) at MySql.Data.MySqlClient.MySqlPool.CreateNewPooledConnection()
at MySql.Data.MySqlClient.MySqlPool.GetPooledConnection() at MySql.Data.MySqlClient.MySqlPool.TryToGetDriver()
at MySql.Data.MySqlClient.MySqlPool.GetConnection()
at MySql.Data.MySqlClient.MySqlConnection.Open()
at TCCVC_Login.ValidateUser(Object sender, EventArgs e)
using (MySqlConnection conn = new MySqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["newrst110ConnectionString"].ConnectionString))
{
using (MySqlCommand cmd = conn.CreateCommand())
{
try
{
cmd.Connection = conn;
conn.Open();
cmd.CommandText = @"SELECT custpass AS hash, (lastlogin IS NOT NULL) AS firstLogin FROM rts110.mychiller_users
WHERE custusername = @user";
cmd.Parameters.AddWithValue("@user", Login1.UserName);
MySqlDataReader reader = cmd.ExecuteReader();
DataTable returnTable = new DataTable();
returnTable.Load(reader);
reader.Close();
// UPDATE LAST LOGIN DATE
cmd.CommandText = @"UPDATE mychiller_users
SET lastLogin = CURDATE()
WHERE custusername = @userName";
cmd.Parameters.AddWithValue("@userName", Login1.UserName);
cmd.ExecuteNonQuery();
cmd.Dispose();
// . . .
// Additional code down here that handles the return and closes the connection.
<add name="newrst110ConnectionString" connectionString="Datasource=70.103.118.100;Database=rts110;uid=####;pwd=####;" providerName="MySql.Data.MySqlClient"/>
Server Error in '/' Application.
Security Exception
Description: The application attempted to perform an operation not allowed by the security policy. To grant this application the required permission please contact your system administrator or change the application's trust level in the configuration file.
Exception Details: System.Security.SecurityException: Request for the permission of type 'System.Net.SocketPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[SecurityException: Request for the permission of type 'System.Net.SocketPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.]
System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet) +0
System.Security.CodeAccessPermission.Demand() +54
System.Net.Sockets.Socket.CheckCacheRemote(EndPoint& remoteEP, Boolean isOverwrite) +270
System.Net.Sockets.Socket.BeginConnectEx(EndPoint remoteEP, Boolean flowContext, AsyncCallback callback, Object state) +175
System.Net.Sockets.Socket.BeginConnect(EndPoint remoteEP, AsyncCallback callback, Object state) +179
MySql.Data.Common.StreamCreator.CreateSocketStream(IPAddress ip, Boolean unix) +239
MySql.Data.Common.StreamCreator.GetStream(UInt32 timeout) +650
MySql.Data.MySqlClient.NativeDriver.Open() +366
MySql.Data.MySqlClient.MySqlException: Unable to connect to any of the specified MySQL hosts. ---> System.Security.SecurityException: Request for the permission of type 'System.Net.SocketPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
at System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet)
at System.Security.CodeAccessPermission.Demand()
at System.Net.Sockets.Socket.CheckCacheRemote(EndPoint& remoteEP, Boolean isOverwrite)
at System.Net.Sockets.Socket.BeginConnectEx(EndPoint remoteEP, Boolean flowContext, AsyncCallback callback, Object state)
at System.Net.Sockets.Socket.BeginConnect(EndPoint remoteEP, AsyncCallback callback, Object state)
at MySql.Data.Common.StreamCreator.CreateSocketStream(IPAddress ip, Boolean unix) at MySql.Data.Common.StreamCreator.GetStream(UInt32 timeout)
at MySql.Data.MySqlClient.NativeDriver.Open()
The action that failed was: Demand
The type of the first permission that failed was: System.Net.SocketPermission
The first permission that failed was:
The demand was for:
The granted set of the failing assembly was:
The assembly or AppDomain that failed was: MySql.Data, Version=6.2.4.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d
The method that caused the failure was: System.IO.Stream CreateSocketStream(System.Net.IPAddress, Boolean)
The Zone of the assembly that failed was: Intranet The Url of the assembly that failed was: file://PROAPPSRV/inetpub/wwwroot/MyChiller/bin/MySql.Data.DLL -
-- End of inner exception stack trace ---
at MySql.Data.MySqlClient.NativeDriver.Open() at MySql.Data.MySqlClient.Driver.Open() at MySql.Data.MySqlClient.Driver.Create(MySqlConnectionStringBuilder settings) at MySql.Data.MySqlClient.MySqlPool.CreateNewPooledConnection()
at MySql.Data.MySqlClient.MySqlPool.GetPooledConnection() at MySql.Data.MySqlClient.MySqlPool.TryToGetDriver()
at MySql.Data.MySqlClient.MySqlPool.GetConnection()
at MySql.Data.MySqlClient.MySqlConnection.Open()
at TCCVC_Login.ValidateUser(Object sender, EventArgs e)
using (MySqlConnection conn = new MySqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["newrst110ConnectionString"].ConnectionString))
{
using (MySqlCommand cmd = conn.CreateCommand())
{
try
{
cmd.Connection = conn;
conn.Open();
cmd.CommandText = @"SELECT custpass AS hash, (lastlogin IS NOT NULL) AS firstLogin FROM rts110.mychiller_users
WHERE custusername = @user";
cmd.Parameters.AddWithValue("@user", Login1.UserName);
MySqlDataReader reader = cmd.ExecuteReader();
DataTable returnTable = new DataTable();
returnTable.Load(reader);
reader.Close();
// UPDATE LAST LOGIN DATE
cmd.CommandText = @"UPDATE mychiller_users
SET lastLogin = CURDATE()
WHERE custusername = @userName";
cmd.Parameters.AddWithValue("@userName", Login1.UserName);
cmd.ExecuteNonQuery();
cmd.Dispose();
// . . .
// Additional code down here that handles the return and closes the connection.
<add name="newrst110ConnectionString" connectionString="Datasource=70.103.118.100;Database=rts110;uid=####;pwd=####;" providerName="MySql.Data.MySqlClient"/>
Server Error in '/' Application.
Security Exception
Description: The application attempted to perform an operation not allowed by the security policy. To grant this application the required permission please contact your system administrator or change the application's trust level in the configuration file.
Exception Details: System.Security.SecurityException: Request for the permission of type 'System.Net.SocketPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[SecurityException: Request for the permission of type 'System.Net.SocketPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.]
System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet) +0
System.Security.CodeAccessPermission.Demand() +54
System.Net.Sockets.Socket.CheckCacheRemote(EndPoint& remoteEP, Boolean isOverwrite) +270
System.Net.Sockets.Socket.BeginConnectEx(EndPoint remoteEP, Boolean flowContext, AsyncCallback callback, Object state) +175
System.Net.Sockets.Socket.BeginConnect(EndPoint remoteEP, AsyncCallback callback, Object state) +179
MySql.Data.Common.StreamCreator.CreateSocketStream(IPAddress ip, Boolean unix) +239
MySql.Data.Common.StreamCreator.GetStream(UInt32 timeout) +650
MySql.Data.MySqlClient.NativeDriver.Open() +366
MySql.Data.MySqlClient.MySqlException: Unable to connect to any of the specified MySQL hosts. ---> System.Security.SecurityException: Request for the permission of type 'System.Net.SocketPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
at System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet)
at System.Security.CodeAccessPermission.Demand()
at System.Net.Sockets.Socket.CheckCacheRemote(EndPoint& remoteEP, Boolean isOverwrite)
at System.Net.Sockets.Socket.BeginConnectEx(EndPoint remoteEP, Boolean flowContext, AsyncCallback callback, Object state)
at System.Net.Sockets.Socket.BeginConnect(EndPoint remoteEP, AsyncCallback callback, Object state)
at MySql.Data.Common.StreamCreator.CreateSocketStream(IPAddress ip, Boolean unix) at MySql.Data.Common.StreamCreator.GetStream(UInt32 timeout)
at MySql.Data.MySqlClient.NativeDriver.Open()
The action that failed was: Demand
The type of the first permission that failed was: System.Net.SocketPermission
The first permission that failed was:
The demand was for:
The granted set of the failing assembly was:
The assembly or AppDomain that failed was: MySql.Data, Version=6.2.4.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d
The method that caused the failure was: System.IO.Stream CreateSocketStream(System.Net.IPAddress, Boolean)
The Zone of the assembly that failed was: Intranet The Url of the assembly that failed was: file://PROAPPSRV/inetpub/wwwroot/MyChiller/bin/MySql.Data.DLL -
-- End of inner exception stack trace ---
at MySql.Data.MySqlClient.NativeDriver.Open() at MySql.Data.MySqlClient.Driver.Open() at MySql.Data.MySqlClient.Driver.Create(MySqlConnectionStringBuilder settings) at MySql.Data.MySqlClient.MySqlPool.CreateNewPooledConnection()
at MySql.Data.MySqlClient.MySqlPool.GetPooledConnection() at MySql.Data.MySqlClient.MySqlPool.TryToGetDriver()
at MySql.Data.MySqlClient.MySqlPool.GetConnection()
at MySql.Data.MySqlClient.MySqlConnection.Open()
at TCCVC_Login.ValidateUser(Object sender, EventArgs e)
using (MySqlConnection conn = new MySqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["newrst110ConnectionString"].ConnectionString))
{
using (MySqlCommand cmd = conn.CreateCommand())
{
try
{
cmd.Connection = conn;
conn.Open();
cmd.CommandText = @"SELECT custpass AS hash, (lastlogin IS NOT NULL) AS firstLogin FROM rts110.mychiller_users
WHERE custusername = @user";
cmd.Parameters.AddWithValue("@user", Login1.UserName);
MySqlDataReader reader = cmd.ExecuteReader();
DataTable returnTable = new DataTable();
returnTable.Load(reader);
reader.Close();
// UPDATE LAST LOGIN DATE
cmd.CommandText = @"UPDATE mychiller_users
SET lastLogin = CURDATE()
WHERE custusername = @userName";
cmd.Parameters.AddWithValue("@userName", Login1.UserName);
cmd.ExecuteNonQuery();
cmd.Dispose();
// . . .
// Additional code down here that handles the return and closes the connection.
<add name="newrst110ConnectionString" connectionString="Datasource=70.103.118.100;Database=rts110;uid=####;pwd=####;" providerName="MySql.Data.MySqlClient"/>
Server Error in '/' Application.
Security Exception
Description: The application attempted to perform an operation not allowed by the security policy. To grant this application the required permission please contact your system administrator or change the application's trust level in the configuration file.
Exception Details: System.Security.SecurityException: Request for the permission of type 'System.Net.SocketPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[SecurityException: Request for the permission of type 'System.Net.SocketPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.]
System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet) +0
System.Security.CodeAccessPermission.Demand() +54
System.Net.Sockets.Socket.CheckCacheRemote(EndPoint& remoteEP, Boolean isOverwrite) +270
System.Net.Sockets.Socket.BeginConnectEx(EndPoint remoteEP, Boolean flowContext, AsyncCallback callback, Object state) +175
System.Net.Sockets.Socket.BeginConnect(EndPoint remoteEP, AsyncCallback callback, Object state) +179
MySql.Data.Common.StreamCreator.CreateSocketStream(IPAddress ip, Boolean unix) +239
MySql.Data.Common.StreamCreator.GetStream(UInt32 timeout) +650
MySql.Data.MySqlClient.NativeDriver.Open() +366
MySql.Data.MySqlClient.MySqlException: Unable to connect to any of the specified MySQL hosts. ---> System.Security.SecurityException: Request for the permission of type 'System.Net.SocketPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
at System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet)
at System.Security.CodeAccessPermission.Demand()
at System.Net.Sockets.Socket.CheckCacheRemote(EndPoint& remoteEP, Boolean isOverwrite)
at System.Net.Sockets.Socket.BeginConnectEx(EndPoint remoteEP, Boolean flowContext, AsyncCallback callback, Object state)
at System.Net.Sockets.Socket.BeginConnect(EndPoint remoteEP, AsyncCallback callback, Object state)
at MySql.Data.Common.StreamCreator.CreateSocketStream(IPAddress ip, Boolean unix) at MySql.Data.Common.StreamCreator.GetStream(UInt32 timeout)
at MySql.Data.MySqlClient.NativeDriver.Open()
The action that failed was: Demand
The type of the first permission that failed was: System.Net.SocketPermission
The first permission that failed was:
The demand was for:
The granted set of the failing assembly was:
The assembly or AppDomain that failed was: MySql.Data, Version=6.2.4.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d
The method that caused the failure was: System.IO.Stream CreateSocketStream(System.Net.IPAddress, Boolean)
The Zone of the assembly that failed was: Intranet The Url of the assembly that failed was: file://PROAPPSRV/inetpub/wwwroot/MyChiller/bin/MySql.Data.DLL -
-- End of inner exception stack trace ---
at MySql.Data.MySqlClient.NativeDriver.Open() at MySql.Data.MySqlClient.Driver.Open() at MySql.Data.MySqlClient.Driver.Create(MySqlConnectionStringBuilder settings) at MySql.Data.MySqlClient.MySqlPool.CreateNewPooledConnection()
at MySql.Data.MySqlClient.MySqlPool.GetPooledConnection() at MySql.Data.MySqlClient.MySqlPool.TryToGetDriver()
at MySql.Data.MySqlClient.MySqlPool.GetConnection()
at MySql.Data.MySqlClient.MySqlConnection.Open()
at TCCVC_Login.ValidateUser(Object sender, EventArgs e)
using (MySqlConnection conn = new MySqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["newrst110ConnectionString"].ConnectionString))
{
using (MySqlCommand cmd = conn.CreateCommand())
{
try
{
cmd.Connection = conn;
conn.Open();
cmd.CommandText = @"SELECT custpass AS hash, (lastlogin IS NOT NULL) AS firstLogin FROM rts110.mychiller_users
WHERE custusername = @user";
cmd.Parameters.AddWithValue("@user", Login1.UserName);
MySqlDataReader reader = cmd.ExecuteReader();
DataTable returnTable = new DataTable();
returnTable.Load(reader);
reader.Close();
// UPDATE LAST LOGIN DATE
cmd.CommandText = @"UPDATE mychiller_users
SET lastLogin = CURDATE()
WHERE custusername = @userName";
cmd.Parameters.AddWithValue("@userName", Login1.UserName);
cmd.ExecuteNonQuery();
cmd.Dispose();
// . . .
// Additional code down here that handles the return and closes the connection.
<add name="newrst110ConnectionString" connectionString="Datasource=70.103.118.100;Database=rts110;uid=####;pwd=####;" providerName="MySql.Data.MySqlClient"/>
Server Error in '/' Application.
Security Exception
Description: The application attempted to perform an operation not allowed by the security policy. To grant this application the required permission please contact your system administrator or change the application's trust level in the configuration file.
Exception Details: System.Security.SecurityException: Request for the permission of type 'System.Net.SocketPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[SecurityException: Request for the permission of type 'System.Net.SocketPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.]
System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet) +0
System.Security.CodeAccessPermission.Demand() +54
System.Net.Sockets.Socket.CheckCacheRemote(EndPoint& remoteEP, Boolean isOverwrite) +270
System.Net.Sockets.Socket.BeginConnectEx(EndPoint remoteEP, Boolean flowContext, AsyncCallback callback, Object state) +175
System.Net.Sockets.Socket.BeginConnect(EndPoint remoteEP, AsyncCallback callback, Object state) +179
MySql.Data.Common.StreamCreator.CreateSocketStream(IPAddress ip, Boolean unix) +239
MySql.Data.Common.StreamCreator.GetStream(UInt32 timeout) +650
MySql.Data.MySqlClient.NativeDriver.Open() +366
我想知道它是否也可能与我拥有的两个Web.config文件有关（其中一个位于包含成员页的子文件夹中，用于限制未经验证的会话的访问）。我尝试在两者中添加，但没有发现任何差异。能否附加一个版本的connectionstring？您的配置文件似乎存在配置错误。能否附加一个版本的connectionstring？您的配置文件似乎存在配置错误。在进一步研究应用程序错误后，我发现了以下简化连接字符串：
看了这个问题的答案后，我将解决方案移动到本地驱动器，因为我是从服务器文件夹运行它的。这样做解决了问题，现在一切都正常了。在进一步研究了我使用简化连接字符串时遇到的应用程序错误后，我偶然发现了以下内容：
看了这个问题的答案后，我将解决方案移动到本地驱动器，因为我是从服务器文件夹运行它的。这样做解决了问题，现在一切都很好。我编辑了我的问题以添加连接字符串，但正如我所说，该连接字符串成功地用于同一网站的其他方面。我编辑了我的问题以添加连接字符串，但正如我所说，该连接字符串成功地与同一网站的其他方面协同工作。