The main purpose of the Contact Manager is to store information regarding contacts. To be able to do this we need to store the data in some sort of data source. A data source can be one of many things including text files, XML files, SQL databases, MySQL databases and many more database and file formats. For these tutorials we will be using SQL Server Express to store the data in, using a SQL Database. In the first tutorial we will be covering how to create the database using the visual tools provided...