Visual Studio - How to Fix Error Only one Database Connection is Supported at a time.

Modify Mssccprj.scc file(s).  Because my project is a web project, these files are located in Inetpub

Visual Studio - How to Fix missing ADO.Net Data Model

Download

Microsoft Visual Studio 2008 Service Pack 1 (Installer)

http://www.microsoft.com/download/en/confirmation.aspx?id=10986 

 

Visual Studio - How ot fix Missing Release/Debug option

Missing Release/Debug option
Tools Menu - Options - Projects and Solutions - General - Show Advanced Build Configurations
Then go to Build - Configuration Manager and select desired option.