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C# : Date and Time Calcuation Methods

CalculationMethodDateFig.3Now, you are going to learn how to calculate the date and time of the present date using C#.net. This tutorial will help you calculate the months, days, hour, minutes and seconds of a present date in an instant. As a result, the numbers of the precise time will be displayed accurately in each field.

 

So, let’s begin:

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  • Open Microsoft Visual Studio and create a new windows form application. After that, do the form just like this.

CalculationMethodDateFig.1

  • Go to the solution explorer, click the “view code” to fire the code editor.

CalculationMethodDateFig.2

  • Create a method to calculate today’s date to future date.
private void Calculate(){ 
 //'INITIALIZE THE INSTANCE METHODS OF THE DATETTIME TYPE.
 //'DEMONSTRATING THE DateTime.AddMonth, DateTime.AddDays , DateTime.AddHours
 //' , DateTime.AddMinutes , DateTime.AddSeconds AND DateTime.AddMilliseconds
 
 //declare the date today
 DateTime dateNow = DateTime.Now;
 //declare the string variable
 string ansMon,ansDay,ansHr,ansMin,ansSec;
 //set the date today into the textbox
 txtDateAndTimeToday .Text = dateNow.ToString();

 //passing the added months,days,hours,minutes and seconds to the string variable.
 ansMon = dateNow.AddMonths(Int32.Parse(txtAddMonths.Text)).ToString();
 ansDay = dateNow.AddDays(Convert.ToDouble(txtAddDays.Text)).ToString();
 ansHr = dateNow.AddHours(Convert.ToDouble(txtAddHours.Text)).ToString();
 ansMin = dateNow.AddMinutes(Convert.ToDouble(txtAddMinutes.Text)).ToString();
 ansSec = dateNow.AddSeconds(Convert.ToDouble(txtAddSeconds.Text)).ToString();

 //set up the added months,days,hours,minutes and seconds to display in the textboxes 
 txtAnsMonths.Text = ansMon;
 txtAnsDays.Text = ansDay;
 txtAnsHours.Text = ansHr;
 txtAnsMinutes.Text = ansMin;
 TxtAnsSeconds.Text = ansSec;
 
 }
  • Go back to the design view, double-click the form and call a method to calculate today’s date to future date in the first load of the form.
 private void Form1_Load(object sender, EventArgs e)
 {
 //'SET THE METHOD TO CALCULATE IN THE FIRST LOAD
 Calculate(); 
 }
  • Go back to the design view again, double-click the “calculate” button to fire the <code> click</code>  event handler of a button and do the following code in the method.
private void button1_Click(object sender, EventArgs e)
 {
 //'SET THE METHOD TO CALCULATE WHEN BUTTON IS CLICKED
 Calculate();
 }

Output:

CalculationMethodDateFig.3

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Mobile No. – 09305235027 – tnt

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