Join them; it only takes a minute: Sign up ASP.NET / Oracle issue: TNS Could not resolve the connect identifier specified up vote 2 down vote favorite 1 I've got a Process monitor log should show if we are able to find the tnsnames.ora file.9. No complaints. You are prompted for a username and password. http://gmailpush.com/visual-studio/visual-studio-oracle-connection-error.html
Since Oracle Developer Tools is not redistributed to your end users, many developers do not mind using a beta release for their day to day development. You should see the following: Figure 11 Data successfully retrieved Lab 2: Adding Interactivity Now that the basics of database access are implemented in the code, the next step is to Then I tried the Oracle Client 11.2 32bit and then was successful installing it, testing the connection and establishing a ODBC-connection from MS Excel. http://www.oracle.com/technology/sample_code/tech/windows/odpnet/howto/connect/index.html I know that Oracle is kind of picky with TNS names file. http://stackoverflow.com/questions/4228739/vs2010-oracle-driver-ora-12154-tsncould-not-resolve-the-connect-identifier
An OracleDataReader can retrieve values for multiple columns and multiple rows. I enter the correct Server, User Name and Password but VS2008 can't connect. All other Oracle tools can access the database using these parameters. sefat ullah 6,044 views 13:37 Step by Step guide to build data guard in Oracle 11g |Physical standby database Data guard | - Duration: 1:18:25.
Zero-based ordinals are passed to the accessors to specify which column to return. The code downloads have error handling implemented. I always groan out load (GOL?) whenever I have to deal with a new configuration/installation… Reply Rajan says: March 24, 2015 at 2:47 am Thanks for the detailed explanation. Ora-12154 Tns Could Not Resolve The Connect Identifier Specified Windows 7 Imports Oracle.DataAccess.Client ' Visual Basic, ODP.NET Oracle managed provider using Oracle.DataAccess.Client; // C#, ODP.NET Oracle managed provider Add the Visual Basic version of the click event handler code between the Private
I have seen people across trying to make this work after installing InstantClient. Visual Studio Ora-12154 Figure 13 An unhandled exception Modify your code to prevent an error when an invalid department_id is entered. SuperKhan1212 243,676 views 7:18 Steps to clone a database using rman - Duration: 30:44. see it here Cause: When you install Oracle Developer Tools, it typically creates a new "Oracle Home" (a new Oracle subdirectory, for example C:\oracle\product\10.2.0\my_new_home ) Each Oracle home maintains it's own copy of your
Kev Wednesday, August 17, 2011 11:56 AM Reply | Quote Answers 0 Sign in to vote Found a solution from link below http://stackoverflow.com/questions/4228739/vs2010-oracle-driver-ora-12154-tsncould-not-resolve-the-connect-identifier-s Rather than giving the TNSname i gave server/SDI Ora 06413 Connection Not Open I know this is an older version of Oracle, and this may be part of the problem but we are in a situation where we cannot yet upgrade our oracle components, Reply Dev says: July 5, 2012 at 1:09 am I had the same error with the Oracle Client 10.2.04 64bit on Windows 7 64bit. Loading...
Solution: Yes! heberto rosillo 15,214 views 6:06 Loading more suggestions... Ora 12154 Tns Could Not Resolve The Connect Identifier Specified 11g Check if the environment variable ‘PATH' has the path for tnsnames.ora file specified.Sample Value of Environment Variable PATH: E:\app\product\11.1.0\client_1\bin;C:\Program Files\Business Objects\Common\3.5\bin\NOTES\;C:\Program Files\Business Objects\Common\3.5\bin\NOTES\DATA\;%Systemroot%\Microsoft.NET\Framework\v1.1.4322;%SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;C:\Program Files\Dell\SysMgt\oma\bin;C:\Program Files\Microsoft SQL Server\80\Tools\BINN;C:\Program Files\Common Tns Could Not Resolve The Connect Identifier Specified Visual Studio For now, we will resolve this issue as "Not Repro".
The connection string must be associated with the connection object. navigate here We encourage you to download the very latest version of Oracle Developer Tools, no matter what your version of the database may be. Make sure you can ping any server names short or long. Using Elemental Attunement to destroy a castle How do really talented people in academia think about people who are less capable than them? Tns Could Not Resolve The Connect Identifier Specified Oracle 10g
Autoplay When autoplay is enabled, a suggested video will automatically play next. Additionally: 64-bit Windows users who after doing the above steps still get ORA-12154 should either: 1) Upgrade to the latest version of their Oracle client that contains the fix for bug Reply Ram says: August 27, 2012 at 1:00 am The following link has useful information, jgvimalan.wordpress.com/…/ora-12154-tnscould-not-resolve-the-connect-identifier-specified Reply punja says: November 22, 2012 at 10:49 am http://www.dba-oracle.com/t_ora_12154_tns_resolve_service_name.htm check environment for this error http://gmailpush.com/visual-studio/visual-studio-2010-oracle-connection-error.html Solution: When you create a connection in Server Explorer, you should select "Oracle Database (Oracle ODP.NET)" as the datasource, similar to what you see here: http://st-curriculum.oracle.com/obe/db/hol08/dotnet/asp/images/asp09.gif If by accident you choose
it worked like a charm! Oracle Developer Tools For Visual Studio Ordinals are relative to the order in the query. Lab 1: Retrieving Data from the Database We begin with the requirement that you've created a project and added a reference as shown previously in this article.
How should I deal with players who prefer "realistic" approaches to challenges? After that you need to install a patch (5383042) for 10.2.0.2 client tools.For 64-BIT Oracle Client: 1. The functionality is almost identical. Tnsnames.ora File Location Check the "HKEY_LOCAL_MACHINE\SOFTWARE\ORACLE\ALL_HOMES\HOME_COUNTER" key value. 10.
That subject is beyond our scope here, however; see the Oracle Developer Tools for Visual Studio Product Center for more information. .NET Data Provider In addition to basic Oracle client connectivity In the radio checkbox asking if you want to install client bits or server bits, you are only going to install the client bits. I can't connect to Oracle on Windows 7 Prof 64 bit with VS 2010. Solution: In general, if any errors occured during the installation process, you should correct the problem before attempting to use the product or this error may result.
OracleDataReader dr = cmd.ExecuteReader(); // C# dr.Read(); label1.Text = dr["department_name"].ToString(); // C# retrieve by column name label1.Text = dr.GetString(0).ToString(); // return a .NET data type label1.Text = dr.GetOracleString(0).ToString(); // return an Next, you need to configure the Oracle provider in machine.config. Be sure to select the correction version. Choose “sys” and use the password from above (remember, we used [email protected] as a demo here).
Technically, these statements are not required, but they do allow you to refer to database objects without using lengthy, fully qualified names. Please make sure you add the Key TNS_ADMIN in the registry and create a enviroinment variable with name TNS_ADMIN and specify the correct path where the oracle is installed for Example:C:oracleproduct32bit188.8.131.52.0NETWORKADMIN. By convention, these statements appear at or near the top of a code file, before the namespace or class declaration. If this does impact you, you could use an older version of ODT to do the automatic code generation and then upgrade to the latest version of ODT to take advantage
Closing and disposing .NET objects free up system resources, ensuring more efficient application performance, which is especially important under high load conditions. This didn't help me connect using SQL Developer, though - I already could connect with SQL Plus, so I knew a UDL connection would succeed.
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