Linq: What is the difference between Select and Where

Question

The Select and Where methods are available in Linq. What should every developer know about these two methods? For example: when to use one over th

Answer 1

In case of Select it you can map to an IEnumerable of a new structure.

  A.Select(x=>new X{UID=x.uid, UNAME=x.uname}) 
  //input as [IEnumerable<A>] -------->  return output as [IEnumerable<X> ]

Where() works as an filter to the IEnumerable, it will return the result on the basis of the where clause.

A.Where(x=>x.uid!=0) //input as [IEnumerable<A>] -------->  return output as [IEnumerable<A> ]