Database connectivity for SQL server 2008 and c# 2008

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I have Error when I try to connect my C# project with SQL-Server-2008. Error is :

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 connection provider SQL Network Interface, error:26 Error Locating Server/ Instance Specified..

~~It is urgent~~ please help me..:confused:

Posted 9-Nov-10 21:05pm

richa hope

Updated 10-Nov-10 2:45am

thatraja

v2

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Rajesh Anuhya 10-Nov-10 4:01am

can you Provide sqlserver instance details / connection string...

4 solutions

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alrosan · Answer 1 · 2010-11-09T21:16:00

Solution 1

can you give me connection string to understand your problem??if connection string is true it may be the problem the sql server not installed correctly or you must changes some configuration in sql server

Posted 9-Nov-10 21:16pm

alrosan

Abhinav S · Answer 2 · 2010-11-10T02:53:00

Solution 2

Make sure you have given the right IP / server name.

Posted 10-Nov-10 2:53am

Abhinav S

Paw Jershauge · Answer 3 · 2010-11-10T03:09:00

Solution 3

Make sure you have activated TCP/IP in the Configuration Manager.

[SQL Server Configuration Manager]->[SQL Native Client xx.xx Configuration]->[Client Protocol]
Right click on the TCP/IP and Enable

perhaps this is the issue... ;)

Posted 10-Nov-10 3:09am

Paw Jershauge

thatraja · Answer 4 · 2010-11-10T03:20:00

Sounds like you didn't enabled the remote connections in SQL server configuration. Try the following link & do the things as per that.

An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that you[^]

Enable remote connections on the instance of sql server. [^]

Enable the SQL Server Browser service[^]