Get the Min and max value from a query : Max « LINQ « C# / CSharp Tutorial






using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
using System.Linq;
using System.Reflection;

class Salary {
    int _id;
    int _year;
    double _salary;

    public int ID {
        get { return _id; }
        set { _id = value; }
    }

    public int Year {
        get { return _year; }
        set { _year = value; }
    }

    public double SalaryPaid {
        get { return _salary; }
        set { _salary = value; }
    }
}
class Employee {
    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 Role {
    int _id;
    string role;

    public int ID {
        get { return _id; }
        set { _id = value; }
    }

    public string Role {
        get { return role; }
        set { role = value; }
    }
}

public class MainClass {
    public static void Main() {
        List<Employee> people = new List<Employee> {
               new Employee { ID = 1, IDRole = 1, LastName = "A", FirstName = "B"},
               new Employee { ID = 2, IDRole = 2, LastName = "G", FirstName = "T"},
               new Employee { ID = 3, IDRole = 2, LastName = "G", FirstName = "M"},
               new Employee { ID = 4, IDRole = 3, LastName = "C", FirstName = "G"}
            };
        List<Role> roles = new List<Role> {
               new Role { ID = 1, Role = "Manager" },
               new Role { ID = 2, Role = "Developer" }
            };
        List<Salary> salaries = new List<Salary> {
               new Salary { ID = 1, Year = 2004, SalaryPaid = 10000.00 },
               new Salary { ID = 1, Year = 2005, SalaryPaid = 15000.00 },
               new  Salary { ID = 1, Year = 2005, SalaryPaid = 15000.00 }
            };
        var query = from p in people
                    join s in salaries on p.ID equals s.ID
                    where p.ID == 1
                    select s.SalaryPaid;

        Console.WriteLine("Minimum Salary:");
        Console.Write(query.Min());

        Console.WriteLine("Maximum Salary:");
        Console.Write(query.Max());
    }
}








22.54.Max
22.54.1.Max on int array
22.54.2.Max on String array
22.54.3.Max on object list
22.54.4.Max on Object list array
22.54.5.Using Max to get the highest number in an integer array.
22.54.6.uses Max to get the length of the longest word in a string array.
22.54.7.Grouped Max
22.54.8.Get the Min and max value from a query
22.54.9.Numeric Aggregates: max