static void Main(string[] args)
{
Customer customer1 = new Customer()
{
ID = 101,
Name = "Mark",
Salary = 5000
};
Customer customer2 = new Customer()
{
ID = 102,
Name = "Pam",
Salary = 6500
};
Customer customer3 = new Customer()
{
ID = 103,
Name = "John",
Salary = 3500
};
Dictionary<int, Customer> dictionaryCustomers = new Dictionary<int, Customer>();
dictionaryCustomers.Add(customer1.ID, customer1);
dictionaryCustomers.Add(customer2.ID, customer2);
dictionaryCustomers.Add(customer3.ID, customer3);
//for checking if key is not existing already
if (!dictionaryCustomers.ContainsKey(customer1.ID))
{
dictionaryCustomers.Add(customer1.ID, customer1);
}
//for checking if key exists
if (dictionaryCustomers.ContainsKey(100))
{
Customer checkIfIdExists = dictionaryCustomers[100];
}
Customer customerSearchId = dictionaryCustomers[103];
//System.Console.WriteLine("ID = {0}, Name = {1}, Salary = {2}", customerSearchId.ID, customerSearchId.Name, customerSearchId.Salary);
//Console.WriteLine();
//(works same as code in next line) foreach(KeyValuePair<int, Customer> CustomerKeyValuePair in dictionaryCustomers)
foreach (var CustomerKeyValuePair in dictionaryCustomers)
{
Console.WriteLine("Key = " + CustomerKeyValuePair.Key);
Customer cust = CustomerKeyValuePair.Value;
Console.WriteLine ("ID = {0}, Name = {1}, Salary = {2} " , cust.ID ,cust.Name, cust.Salary);
Console.WriteLine("-----------------------------------------");
}
Console.WriteLine();
Console.WriteLine("Keys: ");
foreach (var key in dictionaryCustomers.Keys)
{
Console.WriteLine(key);
}
Console.WriteLine();
Console.WriteLine("Values: ");
foreach (Customer Value in dictionaryCustomers.Values)
{
Console.WriteLine("ID = {0}, Name = {1}, Salary = {2} ", Value.ID, Value.Name, Value.Salary);
Console.WriteLine("-----------------------------------------");
}
Console.ReadLine();
}