Hi, my name is Harold Javier. I am an ASP.NET (dotNet) trainer, coach, mentor, and consultant for more than 8 years. It is my mission to teach, educate, and train people about some simple solutions to common problems we experience either as a software developer or as a researcher on topics about ASP.NET Core, ASP.NET MVC, ASP.NET Web API, ASP.NET Web Form, and .NET (dotNet) technology in general.
12 February 2013
Unable to open the physical file "C:\....\App_Data\ASPNETDB.MDF". Operating system error 32: "32 (The process cannot access the file because it is being used by another process."
When you encounter this error, there should be 2 things that you should consider :
1. Double check your ConnectionString for some configuration error.
2. Make sure you "always" close the connection to the database (ex. con.Cose();)
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