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I would use a try/catch but also use the classes derived from DbException which can then give you more details. For example SqlException has a property Number. The details on these error messages are in master.dbo.sys.messages 
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I would use a try/catch but also use the classes derived from DbException which can then give you more details. For example SqlException has a property Number. The details on these error messages are in master.dbo.sys.messages

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Would it be possible to walk through an example? &nbsp;For instance in my application the user must enter the path to the data files and clicks a button to connect to the database. &nbsp;If the wrong path is entered and the button event cannot connect to the db, how would I handle this type of event?
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Would it be possible to walk through an example?  For instance in my application the user must enter the path to the data files and clicks a button to connect to the database.  If the wrong path is entered and the button event cannot connect to the db, how would I handle this type of event?

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Never received a response to my follow-up request.
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Never received a response to my follow-up request.

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When a connection to a data source fails (because the path is wrong or the database is unavailble) I would like to present the user with a friendly error message rather than the “unhandled error” message from Windows. &nbsp;I am looking for help with some C# code to efficiently handle a connection error and maybe provide a message that identifies the type of error. &nbsp;Any help is greatly appreciated!
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When a connection to a data source fails (because the path is wrong or the database is unavailble) I would like to present the user with a friendly error message rather than the “unhandled error” message from Windows.  I am looking for help with some C# code to efficiently handle a connection error and maybe provide a message that identifies the type of error.  Any help is greatly appreciated!

Data Connection Failed – Error Handling

The .NET Framework is not specific to any one programming language; rather, it includes a library of functions that allows developers to rapidly build applications. Several supported languages include C#, VB.NET, C++ or ASP.NET.

.NET Programming

C# is an object-oriented programming language created in conjunction with Microsoft’s .NET framework. Compilation is usually done into the Microsoft Intermediate Language (MSIL), which is then JIT-compiled to native code (and cached) during execution in the Common Language Runtime (CLR).