LINQ Tutorial – Learn linq using asp.net core 3.0

LINQ (Language Integrated Query) is uniform query syntax in C# and VB.NET to retrieve data from different sources and formats. It is integrated in C# or VB, thereby eliminating the mismatch between programming languages and databases, as well as providing a single querying interface for different types of data sources.

Linq tutorial using asp.net core 3.0

Source on LINQ Query Expression:
https://drive.google.com/uc?export=download&id=1sIJjgwDBDVs5UVAp4DmaKkCNhOL4CZQ2

Where operator:
var emp_data = from s in _context.Employees
where s.Salary gt 15000 && s.Age lt 35
select s;

OrderBy Operator:
Ascending
var emp_data = from s in _context.Employees
orderby s.Age
select s;
Descending
var emp_data = from s in _context.Employees
orderby s.Age descending
select s;
With where
var emp_data = from s in _context.Employees
where s.Salary gt 35000
orderby s.Age descending
select s;

GroupBy Operator
var emp_data = from s in _context.Employees
group s by s.Age;

Github Source code:
https://github.com/dotnettrainingacademy/Linq-Tutorial

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