UDL 2 Double click on it and the datalink provider dialog will appear. Find the provider for your data access method and click next. UDL with your connections string. Stack Overflow for Teams — Collaborate and share knowledge with a private group.
Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 8 years, 8 months ago. Active 4 years ago. Viewed 74k times. I am connecting to oracle DB. Improve this question. Plenty of great examples on the web.. Add a comment. Active Oldest Votes. To use another connection string when your code is running in release configuration, create or open the file named Web. Config and paste the following configuration:.
When you deploy your website, the myConnection connection string will override the one already specified in the Web. This is automatically done by Web. For more information and examples of Web. Also, make sure to validate your Web. Config file with the Web. Writing and testing connection strings mostly require you to launch your project and test the connection through a working site in the browser.
I always recommend people to use the Web. If you are replacing production-specific connection strings with Web. As for monitoring for errors, I recommend you implement a good error monitoring solution on your website running in production. As the founder of elmah. But there are similar solutions out there that will get you almost as far.
Just promise me not to log errors in log files that no one will ever look through. Getting error notifications through emails, Slack, Teams, or similar should be essential for all. NET web developers. Guest posts. This blog post is brought to you by elmah. NET and JavaScript applications. Stop relying on your users to notify you when something is wrong or dig through hundreds of megabytes of log files spread across servers.
With elmah. See how we can help you monitor your website for crashes Monitor your website. This is useful in scenarios where you do not know elements of the connection string ahead of time, or when you do not want to save sensitive information in a configuration file. For more information, see Connection String Builders. External configuration files are separate files that contain a fragment of a configuration file consisting of a single section.
The external configuration file is then referenced by the main configuration file. Storing the connectionStrings section in a physically separate file is useful in situations where connection strings may be edited after the application is deployed.
For example, the standard ASP. NET behavior is to restart an application domain when configuration files are modified, which results in state information being lost. However, modifying an external configuration file does not cause an application restart. External configuration files are not limited to ASP. NET; they can also be used by Windows applications. In addition, file access security and permissions can be used to restrict access to external configuration files.
Working with external configuration files at run time is transparent, and requires no special coding. To store connection strings in an external configuration file, create a separate file that contains only the connectionStrings section. Do not include any additional elements, sections, or attributes. This example shows the syntax for an external configuration file. In the main application configuration file, you use the configSource attribute to specify the fully qualified name and location of the external file.
This example refers to an external configuration file named connections. NET Framework 2. Configuration namespace to simplify retrieving connection strings from configuration files at run time. You can programmatically retrieve a connection string by name or by provider name. The machine. When retrieving connection strings by provider name from the app.
Adding clear immediately after the connectionStrings element removes all inherited references from the data structure in memory, so that only the connection strings defined in the local app. Starting with the. NET configuration files. It is designed to work with configuration files on a Web server, and allows programmatic access to configuration file sections such as system.
Accessing configuration files at run time requires granting permissions to the caller; the required permissions depend on the type of application, configuration file, and location. You can use the ConnectionStringSettingsCollection to retrieve connection strings from application configuration files.
It contains a collection of ConnectionStringSettings objects, each of which represents a single entry in the connectionStrings section. Its properties map to connection string attributes, allowing you to retrieve a connection string by specifying the name or the provider name. Name , ConnectionStringSettings. ProviderName , and ConnectionStringSettings. ConnectionString properties in the console window. The name and location of a particular application configuration file varies by the type of application and the hosting process.
This example demonstrates how to retrieve a connection string from a configuration file by specifying its name. The code creates a ConnectionStringSettings object, matching the supplied input parameter to the ConnectionStrings name. If no matching name is found, the function returns null Nothing in Visual Basic. This example demonstrates how to retrieve a connection string by specifying the provider-invariant name in the format System.
The code iterates through the ConnectionStringSettingsCollection and returns the connection string for the first ProviderName found. If the provider name is not found, the function returns null Nothing in Visual Basic. NET 2.
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