SingleOrDefault Vs FirstOrDefault

 SingleOrDefault() Vs. FirstOrDefault() in LINQ Query Single() / SingleOrDefault() First () / FirstOrDefault() Single() - There is exactly 1 result, an exception is thrown if no result is returned or more than one result.  SingleOrDefault() – Same as Single(), but it can handle the null value. First() - There is at least one result, an exception is thrown if no result...

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Web API Filters

Web API includes filters to add extra logic before or after action method executes. Filters can be used to provide cross-cutting features such as logging, exception handling, performance measurement, authentication and authorization. Filters are actually attributes that can be applied on the Web API controller or one or more action methods. Every filter attribute class must implement IFilter interface...

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