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C# Sharp Programming Exercises

C# Sharp Exercises: Find the first day of the month against a given date

C# Sharp DateTime: Exercise-54 with Solution

Write a program in C# Sharp to find the first day of the month against a given date.

Sample Solution:-

C# Sharp Code:

using System;

class dttimeex54
{
    static void Main()
    {
	int yr,mn,dt;
    Console.Write("\n\n Find the first day of the month against a given date :\n");
	Console.Write("-----------------------------------------------------------\n");
	
	Console.Write(" Input the Day : ");
    dt = Convert.ToInt32(Console.ReadLine());	
    Console.Write(" Input the Month : ");
    mn = Convert.ToInt32(Console.ReadLine());	
    Console.Write(" Input the Year : ");
    yr = Convert.ToInt32(Console.ReadLine());		
	DateTime d = new DateTime(yr, mn, dt);
	Console.WriteLine(" The formatted Date is : {0}",d.ToString("dd/MM/yyyy"));
	Console.WriteLine(" The first day of the month for the above date is : {0}\n", FirstDayOfMonth(d).ToString("dd/MM/yyyy"));
    }
    public static DateTime FirstDayOfMonth(DateTime dt)
    {
        return new DateTime(dt.Year, dt.Month, 1);
    }
}

Sample Output:

Find the first day of the month against a given date :                                                       
-----------------------------------------------------------                                                   
 Input the Day : 12                                                                                           
 Input the Month : 06                                                                                          
 Input the Year : 2017                                                                                        
 The formatted Date is : 12/06/2017                                                                           
 The first day of the month for the above date is : 01/06/2017 

C# Sharp Code Editor:

using System;

class dttimeex54
{
    static void Main()
    {
	int yr,mn,dt;
    Console.Write("\n\n Find the first day of the month against a given date :\n");
	Console.Write("-----------------------------------------------------------\n");
	
	Console.Write(" Input the Day : ");
    dt = Convert.ToInt32(Console.ReadLine());	
    Console.Write(" Input the Month : ");
    mn = Convert.ToInt32(Console.ReadLine());	
    Console.Write(" Input the Year : ");
    yr = Convert.ToInt32(Console.ReadLine());		
	DateTime d = new DateTime(yr, mn, dt);
	Console.WriteLine(" The formatted Date is : {0}",d.ToString("dd/MM/yyyy"));
	Console.WriteLine(" The first day of the month for the above date is : {0}\n", FirstDayOfMonth(d).ToString("dd/MM/yyyy"));
    }
    public static DateTime FirstDayOfMonth(DateTime dt)
    {
        return new DateTime(dt.Year, dt.Month, 1);
    }
}

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