Sum column value with where condition using Linq

Question

Hi How to Sum column value with where condition using Linq Thanks

Vishal Yelve · Answer

Hi Ramco, public class Employee { public int ID { get; set; } public string Name { get; set; } public int Salary { get; set; } public string Department { get; set; } public static List GetAllEmployees() { List listStudents = new List () { new Employee{ID= 101,Name = "Preety", Salary = 10000, Department = "IT"}, new Employee{ID= 102,Name = "Priyanka", Salary = 15000, Department = "Sales"}, new Employee{ID= 103,Name = "James", Salary = 50000, Department = "Sales"}, new Employee{ID= 104,Name = "Hina", Salary = 20000, Department = "IT"}, new Employee{ID= 105,Name = "Anurag", Salary = 30000, Department = "IT"}, new Employee{ID= 106,Name = "Sara", Salary = 25000, Department = "IT"}, new Employee{ID= 107,Name = "Pranaya", Salary = 35000, Department = "IT"}, new Employee{ID= 108,Name = "Manoj", Salary = 11000, Department = "Sales"}, new Employee{ID= 109,Name = "Sam", Salary = 45000, Department = "Sales"}, new Employee{ID= 110,Name = "Saurav", Salary = 25000, Department = "Sales"} }; return listStudents; } } class Program { static void Main(string[] args) { //Using Method Syntax var TotalSalaryMS = Employee.GetAllEmployees() .Where(emp => emp.Department == "IT") .Sum(emp => emp.Salary); //Using Query Syntax var TotalSalaryQS = (from emp in Employee.GetAllEmployees() where emp.Department == "IT" select emp).Sum(e => e.Salary); Console.WriteLine("IT Department Total Salary = " + TotalSalaryQS); Console.ReadKey(); } } // Output IT Department Total Salary = 120000