Cannot Connect To SQL Server In C#.NET
May 4, 2010
Login failed for user 'NT AUTHORITYNETWORK SERVICE'. Description:An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.xception Details: System.Data.SqlClient.SqlException: Login failed for user 'NT AUTHORITYNETWORK SERVICE'. know just this is the problem about connection to SQL Server in C#.NETI don't use any username and password to login to SQL Server
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Jan 20, 2011
I have SQL Server 2005 in my computer.I am using SQL Server 2005 for Development.
I can connect to my local & "COMPAQSQLEXPRESS" Server.
But while connecting to Remote Server i m getting the following error
TITLE: Connect to Server
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Cannot connect to x.x.xxx.xx.
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ADDITIONAL INFORMATION:
This version of Microsoft SQL Server Management Studio can only be used to connect to SQL Server 2000 and SQL Server 2005 servers. (ConnectionDlg)
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BUTTONS:OK
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Aug 27, 2010
I just installed SQL Server 2008 Management studio Express on my Vista machine.i tried connecting to local machine using :
.sqlexpress, (local)sqlexpress, or .SQLExpress, MyPCNAMESQLExpress
nothing is working, getting this error:
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Cannot connect to PC-NAMESQLEXPRESS. A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)
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Sep 29, 2010
I'm getting "Cannot connect to ASP.NET development server" almost every time I stop the ASP.NET server before restarting the project in debug mode. It can take between 15 seconds and 2 minutes to get the error message, and Visual Studio is frozen.
Sometimes I get three in a row, and I have to wait 2 minutes each time, or go into Task Manager and kill to process. Then I have to start Visual Studio 2010 again, which is at least three times slower than Visual Studio 2008 to open.
It's *extremely* annoying. I know I don't have to close the server if the code has changed, but sometimes I simply want to restart my website in debug mode (there is a cache on most web service calls, so this clears the cache). A workaround is to add "foo" code to a class and restart the project.
I'm running Visual Studio 2010 Professional on Windows Server 2008. I'm running the Visual Studio Power Tools too, with the latest update.
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Feb 15, 2011
i'm using asp.net 3.5 and my site is hosted on godaddy i have a contact us form on the site. and i have to send the contact queries on [URL] which is hosted on godaddy. whenever i try sending mails i get this error
The transport failed to connect to the server.
Description:
An unhandled exception occurred during the execution of the current web request. review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Runtime.InteropServices.COMException: The transport failed to connect to the server.
Source Error:
[Code]....
Line 250: SmtpMail.SmtpServer = "smtpout.asia.secureserver.net";
Line 251: mailmsg.Priority = System.Web.Mail.MailPriority.Normal;
Line 252: SmtpMail.Send(mailmsg);
Line 253: }
Line 254: }
i tried changing smtp to relay-hosting.secureserver.net aswell. but it didn't work. i'm using this method of my classfile's sendmail class public void SendMessage(string From, string ToEmail, string subject,string body)
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Oct 22, 2010
I get the follwowing exception while running my ASP.NET 1.1 web application. The Web application will call a web service which connects to to the DB server and returns the data to the application. This error occurs when we move the webservices and databases to new servers. I am able to connect to the DB server from web servers through SQL port.
System.Web.Services.Protocols.SoapException: Server was unable to process request. ---> System.Data.SqlClient.SqlException: [DBNETLIB][ConnectionOpen (Connect()).]SQL Server does not exist or access denied. at System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior
cmdBehavior, RunBehavior runBehavior, Boolean returnStream) at System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior) at System.Data.SqlClient.SqlCommand.System.Data.IDbCommand.ExecuteReader(CommandBehavior behavior) at System.Data.Common.DbDataAdapter.FillFromCommand(Object
data, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) at System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
at System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, String srcTable)
Why does this error occur and how to solve this?
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Mar 13, 2010
I have created web pages using VS Web Developer that use a local Developer Edition of SQL server database on my PC with LINQ to SQL. When I deploy my website to a remote web host SQL server, I need for my web pages to be able to use the remote database instead of the local database. So, how do I get the Server Explorer to connect with a remote SQL Server database?
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May 27, 2010
I tried this code by inputting the ftp address as ftp//: and the correct username and password and I get the following error
"Unable to connect to the remote server" on line :
FtpWebResponse Response = (FtpWebResponse)Request.GetResponse();I tired this on my ftp server provided by a hosting service and an anonymous ftp located at 193.166.120.5 ?
Note: I was able to connect to both of these ftp through filezilla, via a webbrowser, and through windows command line.
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Aug 4, 2010
I am using Sql Server 2008 to connect to a Remote Server. Everything was working fine for the last couple of months, and i was successfully connecting to the remote server. Today it suddenly stopped connecting to the remote server. note that i did not alter any configuration settings. Did my isp block Sql Server. My ISP is using ISA SERVER? The error details are:
A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) (.Net SqlClient Data Provider) I am using Microsoft Firewall Client For ISA Server for opening ports. But today nothing is working.
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Nov 7, 2010
I am developing and app to find automatically characters stats with the 2nd edition dnd rules to be easy for my party to create characters when we play.
I am using Visual studio 2010 c sharp express and Sql 2008 express R2.I have added a database in the project to have all the data needed. When I use the release folder or the debug folder on other pcs the app doesn't run. Wherever I install SQL server (database and management) things are fine. I googled but I am not sure what to look exactly for and made a brief search here but with no results. I am trying to make sth that has almost no dependencies but well I can't avoid installing .net framework 4 everywhere...
Is there anyway to make database work without installing SQL? Is there any workaround like a dll or sth?
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Nov 1, 2010
OLE DB provider "SQLNCLI" for linked server "xx.xxx.xxx.xxx" returned message "The partner transaction manager has disabled its support for remote/network transactions.".
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Jun 22, 2010
I just ran a project that I've been working on and the project couldn't connect to the sql server engine. This project worked fine yesterday. This morning I installed the new Adobe Flash player 10.0. That's the only thing that's changed sine I last worked with my project.
I got an exception for the sql server error when I run my app. This is the exception from the app:
Exception Details: System.Data.SqlClient.SqlException: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)
I tried to connect to the engine with the ssms but couldn't connect that way either. This gave me an error that said:TITLE: Connect to Server
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Aug 19, 2010
I have recently upgraded my system from Visual Studio 2008 to Visual Studio 2010. I have MS SQL Server 2008 RS installed as well as IIS7 and I am able to connect to my web application on my local server (IIS7).
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Mar 23, 2010
I am unable to connect to my local instance of SQL Server 2008 Express using SQL Server Management Studio.I believe the problem is related to a change I made to the connection protocols. Before the error occurred, I had Shared Memory enabled and Named Pipes and TCP/IP disabled. I then enabled both Named Pipes and TCP/IP, and this is when I started experiencing the problem.
I have now set Named Pipes and TCP/IP back to disabled. When I try to connect to the server with SSMS (with either my SQL server sysadmin login or with windows authentication), I get the following error message:
"A connection was successfully established with the server, but then an error occurred during the login process. (provider: Named Pipes Provider, error: 0 - No process is on the other end of the pipe.) (Microsoft SQL Server, Error: 233)"
My first question here is: why is it returning a Named Pipes error? Why isn't it using Shared Memory? It seems like it is not listening on Shared Memory for some reason?When I set Named Pipes to enabled and try to connect, I get the same error message.My windows account is does not have administrator priviliges on my computer.
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Feb 2, 2011
Is there any way i connnect a Access 2007 database from SQL Server stored procedure using oledb connection so that i can copy some records from that database?I am asked to achieve this through stored procedure only without using DTS or SSIS.
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Feb 24, 2011
i just install the sql server 2008.today i try to open sql server management studio for create database, but once i open, a box say connect to server,when click connect,the error 18456 show.May i know what is the problem?my object explorer also doesn't show anything.my pc is windows 7.
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Feb 10, 2011
how to connect the two tables of the sql server 2008 databse in C#.
in this there are two tables
1) Tour header(id, name, city, destination)
2) Tour Detail(id, tour id, day no, title,description,images)in this id of tour header and tour id of tour header will be same.now i want to retrieve the data on the basis of when id==tour id.how can we can run the query of two tables.
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Jan 3, 2011
I have a c# window form application (which is basically a game).And an ASP.NET Website. the window form application has a database with a table that contains the username and his cash. The asp.net database has a table that contains the username and his cash.Now I want to sync between to the two servers. Once I get point in my game, It'll also update the database of the asp.net site.
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Nov 26, 2010
I am trying to connect my sql server 2000 using the sql server utility. It is perfecly working fine on my system but when try it on some other system i am getting an error message as "Could not find the server".
Is there any other configuration change that i need to make? I am connecting using TCP/IP
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Aug 9, 2010
I have a problem, my database reside on a separate server and my online website need to access that server to get some data. The server is in my office and connected with Internet.
I have configure the SQL server 2005 on the server to allow remote connections. Enabled TCP/IP and named pipeline. The port is 1433.
I give following connectionstrings.
1. <add name="DatabaseConnectionString" connectionString="Data Source=nt1111;Initial Catalog=testdatabase;Persist Security Info=True;User ID=test;Password=***" providerName="System.Data.SqlClient"/>
2. <add name="DatabaseConnectionString" connectionString="Data Source=nt1111;Initial Catalog=testdatabase; User ID=test;Password= "***"; User Instance=False" providerName="System.Data.SqlClient" />
3. The same as 2 but with IP <add name="DatabaseConnectionString" connectionString="Data Source=999.99.9.99;Initial Catalog=testdatabase; User ID=test;Password= "***"; User Instance=False" providerName="System.Data.SqlClient" />
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Oct 21, 2010
I work from home and need to connect to my employers database server. I am running SQL Server 2008 on my home PC and I am connected remotely to my employers network via vpn. However, if I try to make a connection via windows authentication it's using my credentials I use to log onto my PC and not the credentials I use to connect via vpn. How can I enter my vpn credentials and register the remote server in Server Management Studio?
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Jan 13, 2010
how to connect to SQL Server in Asp.net MVC?
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Jan 25, 2011
I have 2 servers. the database server (DB1) which has sqlserver installed and the application server (WEB1) which has my web application. They are both on the same network and both have the same administrator login.
My web application on the application server needs to access the database on the database server. sqlserver is set to mixed mode in security. i created a random sqlserver user login that can only access my database and set it as the db owner. I use the username and password for this in my connection string. when i run my web application i can read information but i cant write to the database. My app is using windows thentication. I have set my NT AUTHORITYNETWORK SERVICE account to db_owner for my database as well... grabbing at straws!
Question 1: When my application talks to sqlserver does it use the administrator login or the NT AUTHORITYNETWORK SERVICE account which i got from using windowsidentity.getcurrent()?
Question 2: If I use ASP.Net impersonation, what does this do exactly? Because if i run the ndowsIdentity.GetCurrent() i get the username that i specified. How does this tie in with my connection string?
Question 3: If I dont use impersonation what and how do i have to configure sqlserver to accept my insert/update requests? Do i need to work with the NT AUTHORITYNETWORK SERVICE? or can i just use my user login? What do i need to add or remove from my connection string? (see below).
[code]....
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Feb 2, 2011
I want connect to SQL Server Compact 4.0 in my ASP.NET application..
Here is example of code:
protected void Page_Load(object sendhttp://stackoverflow.com/questions/asker, EventArgs e)
{
string connStr = "Data Source=D:\MyDB.sdf;";
string sqlStr = "select * from tblMyTable";
var sqlDataSrc = new SqlDataSource(connStr, sqlStr);
GridWithUrls.DataSource = sqlDataSrc;
GridWithUrls.DataBind();
}
But I have the next error:
"A network-related or instance-specific error occurred while establishing a connection to SQL Server.The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)"
The SqlDataSource has constructor with three parameters, one of them is 'providerName' so, how to specify that I want definitely use Sql Server Compact provider ? Also I have added System.Data.SqlServerCe reference..
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Jan 24, 2011
Can I do this using SqlClient or do I have to use the ODBC route > ? I get error's in VS but from reading through the other post it appears to be an IDE specific problem.
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