C# LINQ Query Keywords The LINQ queries are server side
contextually language integrated queries that enable you to work
with data items retrieved from any kind of data source. Likewise
other database query language LINQ also contains few contextual
keywords that instruct the compiler which action to perform.
LINQ uses most common type of clauses that each type of SQL
based query languages use such as where, select, from and the
aggregate functions such as sum, min, max etc. Here is a list of
LINQ Query Keywords that provide the similar function which can
be implemented in C# code for ASP.Net web pages: 1. from: It
specifies the data source and a range variable that belongs to
each element of data source sequence. 2. where: It filters the
results based on the Boolean expressions specified using logical
AND and OR operations such as && and ||. 3. select: It specifies
the type and shape of the returned result that will be retrieved
after executing the query expression. 4. group: It groups the
results sequence b