CSharp - Write program to Compare two Date Values

  1. HOME
  2. CSharp
  3. Date Time
  4. DateTime Creation

Requirements

Read two date value from user.

Compare which one is earlier.

Demo

using System;
class Program//  www. j a  va  2s . c o m
{
    static void Main(string[] args)
    {
        // Inputs 
        Console.Write("Payment date: ");
        string inputPayment = Console.ReadLine();
        DateTime paymentDate = Convert.ToDateTime(inputPayment);

        Console.Write("Invoice date: ");
        string inputInvoice = Console.ReadLine();
        DateTime invoiceDate = Convert.ToDateTime(inputInvoice);

        // Checking 
        bool ok = true;
        if (invoiceDate < paymentDate)
        {
            Console.WriteLine("Invoice date cannot precede payment date.");
            ok = false;
        }
        if (invoiceDate > paymentDate.AddDays(15))
        {
            Console.WriteLine("Invoice cannot be issued later than 15 days after payment."); 
   
           ok = false;
        }
        if (ok)
        {
            Console.WriteLine("Dates accepted.");
        }
    }
}

Result