Log Queries executed by Entity Framework DbContext

Question

I\'m using EF 6.0 with LINQ in MVC 5 project. I want to log all the SQL queries executed by the Entity Framework DbContext for debugging/performance-measurement purpose.

Answer 1

Entity Framework Core 3

From this article

Create a factory and set the filter.

var loggerFactory = LoggerFactory.Create(builder =>
{
    builder
    .AddConsole((options) => { })
    .AddFilter((category, level) =>
        category == DbLoggerCategory.Database.Command.Name
        && level == LogLevel.Information);
});

Tell the DbContext to use the factory in the OnConfiguring method:

optionsBuilder.UseLoggerFactory(_loggerFactory);