static void Main(string[] args)
{
#region Different_Ways_ToDo_AnonymoueType
// 1. Standard constructor
OrdersObjL1 Order0 = new OrdersObjL1();
Order0.OrderId = 1;
Order0.OrderDate = DateTime.Now;
// 2. Overloaded Constructor
OrdersObjL1 Order1 = new OrdersObjL1(2, DateTime.Now);
// 3. two Arraies
int[] Nums = { 31, 32, 33 };
string[] States = { "State0", "State1", "State2" };
// 4, Implicity Call Constructor
OrdersObjL1 Order2 = new OrdersObjL1 {
OrderId = 3, OrderDate = DateTime.Now, CustomerName = "Cust0", OrderAmount = 359.00M
};
// 5. Explicity Call Constructor
OrdersObjL1 Order3 = new OrdersObjL1()
{
OrderId = 4, OrderDate = DateTime.Now, CustomerName = "Cust1", OrderAmount = 299.00M
};
// 6. Nested Obj
OrdersObjL1 Order4 = new OrdersObjL1 {
BillingAddress = new OrderAddressL1 {
Address1 = "b-address1", City = "b-City1", State = "b-State1", Zip = "b-Zip1"
},
ShippingAddress = new OrderAddressL1 {
Address1 = "s-adress1", City = "s-City1", State = "s-State1", Zip = "s-Zip1"
}
};
// 7. Obj Collection
OrdersObjL1 Order5 = new OrdersObjL1()
{
OrderItems = new List <OrderItemL1>
{
new OrderItemL1()
{
OrderItemId = 0, ProductName = "PdName0", Qty = 1
},
new OrderItemL1 {
OrderItemId = 1, ProductName = "PdName1", Qty = 2
},
new OrderItemL1 {
OrderItemId = 2, ProductName = "PdName2", Qty = 3
}
}
};
// 8. Work With Any Type IEnumerable
List <int> newNumbsAry = new List <int> {
33, 34, 35
};
ArrayList ObjArr = new ArrayList {
Order0, Order1, Order2, Order3, Order4, Order5
};
Console.WriteLine(String.Format("The Length of ObjArr is: {0}.", ObjArr.Count));
#endregion
Console.WriteLine("The Purpose of Anonymous Type is about re-format Complex Obj.");
AnonymousTypeL3 at3 = new AnonymousTypeL3();
at3.ShowOrdersAccordingToAnonymouseType();
ExtensionFunctionL4.PrintResultByUsingExtensionFunction(10);
#region L5_Delegate_L7Func_Lambda
string[] Names = Source.SetStringArr();
foreach (string name in Names)
{
Console.WriteLine("75 -- name: {0}.", name);
}
Console.WriteLine("Press 1 Input Start With letter, Press 2 input End with Letter.");
string InputedNum = Console.ReadLine();
PrintOutStringArr Print = new PrintOutStringArr();
switch (InputedNum)
{
case "1":
Console.WriteLine("Input Start Letter: ");
string LetterStart = Console.ReadLine();
L5Delegate l5DelegateS = new L5Delegate(Names, LetterStart);
string[] RzNames0 = l5DelegateS.CollectNames(DelegateMethods.CheckStartwithLetter);
Print.PrintStrArr(RzNames0);
break;
case "2":
Console.WriteLine("Input End Letter: ");
string LetterEnd = Console.ReadLine();
L5Delegate l5DelegateE = new L5Delegate(Names, LetterEnd);
string[] RzNames1 = l5DelegateE.CollectNames(DelegateMethods.CheckEndwithLetter);
Print.PrintStrArr(RzNames1);
break;
default:
Console.WriteLine("This is default codition. Press Enter to continue...");
break;
}
Console.WriteLine("\nThis will display how to use delegate expression.\n");
Console.WriteLine("Please Letter Option -- 1 for Start Letter, 2 for End Letter.");
string InputedLo = Console.ReadLine();
if (InputedLo == "1")
{
Console.WriteLine("105 -- Input Start Letter: ");
string sl = Console.ReadLine();
L5Delegate l5DelegateExpression = new L5Delegate(Names, sl);
string[] RzNamesExp = l5DelegateExpression.CollectNames(delegate(string n, string s) { return(n.StartsWith(s)); });
Print.PrintStrArr(RzNamesExp);
}
else if (InputedLo == "2")
{
Console.WriteLine("120 -- Input End Letter: ");
string el = Console.ReadLine();
L5Delegate l5DelegateExpression = new L5Delegate(Names, el);
string[] RzNamesExp = l5DelegateExpression.CollectNames(delegate(string n, string l) { return(n.EndsWith(l)); });
Print.PrintStrArr(RzNamesExp);
}
else
{
return;
}
Console.WriteLine("\n 122 -- This will display how to use Lambda for Delegate -- and -- Func Interface.\n");
Console.WriteLine("Please Letter Option -- 3 for Start Letter, 4 for End Letter.");
string NewLt = Console.ReadLine();
if (NewLt == "3")
{
Console.WriteLine("127 -- Input Start Letter: ");
string sl = Console.ReadLine();
L7FuncNLambda L7FL = new L7FuncNLambda();
string[] RzNamesLambda = L7FL.CollectNames(((s, l) => s.StartsWith(l)), Names, sl);
Print.PrintStrArr(RzNamesLambda);
}
else if (NewLt == "4")
{
Console.WriteLine("134 -- Input End Letter: ");
string el = Console.ReadLine();
L7FuncNLambda L7FL = new L7FuncNLambda();
string[] RzNamesLambda = L7FL.CollectNames(((s, l) => s.EndsWith(l)), Names, el);
Print.PrintStrArr(RzNamesLambda);
}
else
{
return;
}
Console.WriteLine("0 for +, 1 for -, 2 for *, 3 for /");
string optString = Console.ReadLine();
Console.WriteLine("Input first Number: ");
double num0 = Convert.ToDouble(Console.ReadLine());
Console.WriteLine("Input second Number: ");
double num1 = Convert.ToDouble(Console.ReadLine());
L5Delegate l5DelegateOp = new L5Delegate(Names, "A");
switch (optString)
{
case "0":
l5DelegateOp.DoCalculate(DelegateMethods.plus, num0, num1);
break;
case "1":
l5DelegateOp.DoCalculate(DelegateMethods.minus, num0, num1);
break;
case "2":
l5DelegateOp.DoCalculate(DelegateMethods.multiple, num0, num1);
break;
case "3":
l5DelegateOp.DoCalculate(DelegateMethods.devide, num0, num1);
break;
default:
Console.WriteLine("This is Calculation Default Option...");
break;
}
Console.WriteLine("\n170This time use Func<> and Lambda for delegate.");
Console.WriteLine("0 for +, 1 for -, 2 for *, 3 for /");
string optStr = Console.ReadLine();
Console.WriteLine("Input first Number: ");
double num2 = Convert.ToDouble(Console.ReadLine());
Console.WriteLine("Input second Number: ");
double num3 = Convert.ToDouble(Console.ReadLine());
L7FuncNLambda L7ForCal = new L7FuncNLambda();
switch (optStr)
{
case "0":
L7ForCal.ShowCalculateResult(((a, b) => a + b), num2, num3);
break;
case "1":
L7ForCal.ShowCalculateResult(((a, b) => a - b), num2, num3);
break;
case "2":
L7ForCal.ShowCalculateResult(((a, b) => a * b), num2, num3);
break;
case "3":
L7ForCal.ShowCalculateResult(((a, b) => a / b), num2, num3);
break;
default:
Console.WriteLine("This is Calculation Default Option...");
break;
}
Console.WriteLine("\nThis is multiple cast Delegate.\n");
Console.WriteLine("Input a string like: abcdefg");
string aStr = Console.ReadLine();
StringAndMultipleCastDelegate.UpperCaseString ShowUpperCase = DelegateMethods.FirstUpper;
ShowUpperCase += DelegateMethods.LastUpper;
ShowUpperCase += DelegateMethods.AllUpper;
ShowUpperCase(aStr);
#endregion
#region L9-L11
L9Linq LinqCountries = new L9Linq();
LinqCountries.ShowAllCountries();
L11LinqRetrunObj odObj = new L11LinqRetrunObj();
odObj.ShowOrderDates();
#endregion
#region L12_L13
L12_WhereClause wc = new L12_WhereClause();
wc.LinqQueryWhere();
wc.MethodSyntaxWhere();
wc.OpDataCrossTablesNLevels();
L13_BuildInFunction bf = new L13_BuildInFunction();
bf.ShowBuildInFunction();
#endregion
Console.ReadLine();
}
public List <OrdersObjL1> ConstructOrders()
{
Random RandomNums = new Random();
List <OrdersObjL1> OrdersList = new List <OrdersObjL1>();
#region Three_Objs
OrdersObjL1 O0 = new OrdersObjL1
{
OrderId = 0,
OrderDate = DateTime.Now.AddDays(-1),
CustomerName = "Cust0",
OrderAmount = 33.33M,
OrderItems = new List <OrderItemL1>
{
new OrderItemL1()
{
OrderItemId = 0, ProductName = "PdName0", Qty = RandomNums.Next(1, 100)
},
new OrderItemL1 {
OrderItemId = 1, ProductName = "PdName1", Qty = RandomNums.Next(1, 100)
},
new OrderItemL1 {
OrderItemId = 2, ProductName = "PdName2", Qty = RandomNums.Next(1, 100)
}
},
BillingAddress = new OrderAddressL1
{
Address1 = "b-Addr1",
City = "b-City1",
State = "b-State1",
Zip = "b-Zip1111"
},
ShippingAddress = new OrderAddressL1
{
Address1 = "s-Addr1",
City = "s-City1",
State = "s-State1",
Zip = "s-Zip1111"
}
};
OrdersObjL1 O1 = new OrdersObjL1(1, DateTime.Now)
{
CustomerName = "Cust1", OrderAmount = 33.333M,
OrderItems = new List <OrderItemL1>
{
new OrderItemL1()
{
OrderItemId = 3, ProductName = "PdName3", Qty = RandomNums.Next(1, 100)
},
new OrderItemL1()
{
OrderItemId = 4, ProductName = "PdName4", Qty = RandomNums.Next(1, 100)
}
},
BillingAddress = new OrderAddressL1
{
Address1 = "b-Addr2",
City = "b-City2",
State = "b-State2",
Zip = "b-Zip2222"
},
ShippingAddress = new OrderAddressL1
{
Address1 = "s-Addr2",
City = "s-City2",
State = "s-State2",
Zip = "s-Zip2222"
}
};
OrdersObjL1 O2 = new OrdersObjL1(2, DateTime.Now.AddDays(1))
{
CustomerName = "Cust2", OrderAmount = 333.333M,
OrderItems = new List <OrderItemL1>
{
new OrderItemL1()
{
OrderItemId = 5, ProductName = "PdName5", Qty = RandomNums.Next(1, 100)
},
new OrderItemL1()
{
OrderItemId = 6, ProductName = "PdName6", Qty = RandomNums.Next(1, 100)
},
new OrderItemL1()
{
OrderItemId = 7, ProductName = "PdName7", Qty = RandomNums.Next(1, 100)
}
},
BillingAddress = new OrderAddressL1
{
Address1 = "b-Addr3",
City = "b-City3",
State = "b-State3",
Zip = "b-Zip3333"
},
ShippingAddress = new OrderAddressL1
{
Address1 = "s-Addr3",
City = "s-City3",
State = "s-State3",
Zip = "s-Zip3333"
}
};
#endregion
OrdersList.Add(O0);
OrdersList.Add(O1);
OrdersList.Add(O2);
return(OrdersList);
}
