Convert query to array with ToArray in CSharp
Description
The following code shows how to convert query to array with ToArray.
Example
// w w w. j a v a 2 s . c o m
using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Reflection;
using System.Linq;
using System.Xml;
using System.Xml.Linq;
class Person {
int _id;
int _idRole;
string _lastName;
string _firstName;
public int ID {
get { return _id; }
set { _id = value; }
}
public int IDRole {
get { return _idRole; }
set { _idRole = value; }
}
public string LastName {
get { return _lastName; }
set { _lastName = value; }
}
public string FirstName {
get { return _firstName; }
set { _firstName = value; }
}
}
class Program {
static void Main(string[] args) {
List<Person> people = new List<Person> {
new Person { ID = 1, IDRole = 1, LastName = "A", FirstName = "B"},
new Person { ID = 2, IDRole = 2, LastName = "G", FirstName = "T"}
};
var query = people
.Where(p => p.ID == 1)
.Select(p => new { p.FirstName, p.LastName })
.ToArray();
people[0].FirstName = "F";
Console.WriteLine(people[0].FirstName);
}
}
The code above generates the following result.