How to make a simple search function in linq and EF

I want to simply search a database for a certain string, how c开发者_如何转开发an i accomplish this using linq and EF (if using these tools for it are not practical I am open to any suggestions). I just want to take a string and search my usernames, the search should be able to handle things only parts of the username (using some sort of 'contains' function)

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The basics of what you are asking is..

var found = MyContext.Users.Where(user => user.UserName.Contains(searchString));

You would need to substitute actual entity names/values for the example code posted.