In which statement the LINQ query is executed in VB?
LINQ queries are always executed when the query variable is iterated over, not when the query variable is created. This is called deferred execution. You can also force a query to execute immediately, which is useful for caching query results.
Does VB support LINQ?
Visual Basic LINQ query operators Linq namespace and the other namespaces that support LINQ queries include methods that you can call to create and refine queries based on the needs of your application. Visual Basic includes keywords for the following common query clauses.
What is the return type of LINQ query?
By default, LINQ queries return a list of objects as an anonymous type. You can also specify that a query return a list of a specific type by using the Select clause.
What is LINQ syntax?
LINQ query syntax is consist of a set of query keywords defined into the . NET Framework version 3.5 or Higher. This allows the programmer or developers to write the commands similar to SQL style in the code(C# or VB.NET) without using quotes. It is also know as the Query Expression Syntax.
What is missing LINQ in VB net?
This means that you can use LINQ to query data sources such as ADO.NET DataSets or SQL Server tables and views. But LINQ can query a lot more. XML also “has structure”. LINQ allows queries against any XML data source including an XML file or an XML string in memory. Objects also have structure.
How do you write a query in LINQ?
There are the following two ways to write LINQ queries using the Standard Query operators, in other words Select, From, Where, Orderby, Join, Groupby and many more. Using lambda expressions. Using SQL like query expressions.
What does LINQ return?
Does LINQ-orderby support query syntax?
In the LINQ-OrderBy method, it supports both query and method syntax. Let’s see the query syntax with examples. OrderBy sorts the values of a collection in ascending or descending order.
How do I sort a range variable book in a query?
The following query expression uses a From clause to declare a range variable book for the books collection. The Order By clause sorts the query result by price in ascending order (the default). Books with the same price are sorted by title in ascending order.
What is the Order of the results in the query?
The query sorts the results by the number of customer orders, in descending order. Customers that have the same number of orders are ordered by company name in ascending order (the default).
How do I sort a query result by title and price?
The Select clause selects the Title and Price properties as the values returned by the query. The following query expression uses the Order By clause to sort the query result by price in descending order. Books with the same price are sorted by title in ascending order.