Accessing data using Language Integrated Query in VB.NET
In this article you will learn how to Access data using Language Integrated Query (LINQ).
Language Integrated Query(LINQ) is a set of operators which allow traversal,projection operations,filter in Visual Basic Programming language. It works in three steps : Obtain the source of data, Create the query and Query execution.
At the time of execution data is created by this query not retrieved.
By this simple example I am try to explain how a query works in this example. This query retrieves those numbers which is greater than 5.
Module Module1
Sub Main()
Dim numbers As Integer() = New Integer(9) {0, 1, 2, 3, 4, 5, 6, 8, 9,10}
Dim numQuery As IEnumerable(Of Integer) = Fromnum In numbers
Where (num Mod2) = 0
Select num
For Eachj As Integer In numQuery
Console.Write("{0,1} ", j)
Next
Console.ReadLine()
End Sub
End Module
OUTPUT:
