Rather than try to ensure that he's getting the right config file for his production and test systems, Peter Vogel lets the application configure itself, using the Managed Extensibility Framework to ...

I'm attempting to connect to an excel file using an ADO recordset. There is a column in this that I need the sum of for a report. I'm familiar with ADO connections, so I assumed this would be the most ...

Today’s README file explains how to create connection strings to SQL Server databases using Visual Studio’s built-in tools. To provide an example using real source, I created a simple Winforms ...

I had been passing username/password strings directly into the ADO.NET connection string, however this means that if a user has a quote character in his password, it borks the ConnectionString and ...

If you just want to get going with a code-first database, you don't even need to define a connection string -- just write your objects. After you install Entity Framework in your application, if you ...