This keyword overrides any values that might be specified in the Server, Network, and Address keywords. Name of an existing ODBC user or system data source. The Server keyword is required if Driver is specified and DriverCompletion is set to SQL_DRIVER_NOPROMPT.įor more information about driver names, see Using the SQL Server Native Client Header and Library Files. ODBC applications use connection strings as a parameters to the SQLDriverConnect and SQLBrowseConnect functions.Ĭonnection strings used by ODBC have the following syntax:Ĭonnection-string ::= empty-string | attribute | attribute connection-stringĪttribute ::= attribute-keyword=['.

The following sections describe the keywords that can be used with the SQL Server Native Client OLE DB provider, the SQL Server Native Client ODBC driver, and ActiveX Data Objects (ADO) when using SQL Server Native Client as the data provider.

It is good practice when modifying applications to use SQL Server Native Client to eliminate any dependency on connection string ambiguity. but honesly have no clue how to.SQL Server Native Client allows ambiguity in connection strings to maintain backward compatibility (for example, some keywords may be specified more than once, and conflicting keywords may be allowed with resolution based on position or precedence). I'm guessing as replied i'l have to set up protocols n firewall. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified) Verify that the instance name is correct and that SQL Server is configured to allow remote connections.

The server was not found or was not accessible. The exception im getting with other connection strings similar to urs is as bellow:Īn unhandled exception of type '' occurred in Īdditional information: A network-related or instance-specific error occurred while establishing a connection to SQL Server. This is the working connection string with the database in my DATA DIRECTORY.Īnd me tried the way you explained by changing the codes, actulay had tried the same before with a lot of connection strings but always got an exception.Īnd what is Initial Catalog? and i havent put any username and passowrd for my databse so what should i be entering there?

Sql server connection string c#