How to Determine the Date Based on the Given Days in C#

Submitted by janobe on Saturday, April 27, 2019 - 17:14.

In this tutorial, I will teach you how to determine the date based on the given days using c#. This method has the ability to know the exact date after you input the days' interval on a textbox. This is like a calculator that easily calculates the dates for you. Check the procedure below to see how it works.

Creating Application

Step 1

Open Microsoft Visual Studio 2015 and create a new windows form application for c#. ps1

Step 2

Do the form just like shown below. ps2

Step 3

Open the code editor by pressing the F7 on your keyboard. In the code editor, create a method that will calculate the date ahead.

  
        private void determine_date(TextBox days,DateTimePicker start_date)
        {
            int date_Interval;      //REPRESENTS A DATE INTERVAL
            DateTime  date_result;  //REPRESENTS THE ADDED DATE OF START DATE AND THE INTERVAL DAYS
            string str_msg;       //REPESENTS A MESSAGE TO PUT INTO A LISTBOX
 
            try
            {
                if(days.Text.Length > 0)
                {
                    date_Interval = int.Parse(days.Text);
 
                    date_result = start_date.Value.AddDays(date_Interval);
 
                    str_msg = "After " + date_Interval + " day(s), the date is ";
 
                    listBox1.Items.Clear();
                    listBox1.Items.Add(str_msg + date_result.ToString("MM/dd/yyyy hh:mm") );
 
                
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

Step 4

Add the following codes to see the result when the button is clicked.

  
        private void button1_Click(object sender, EventArgs e)
        {
            determine_date(textBox1, dateTimePicker1);
        }

The complete source code is included you can download it and run it on your computer. For any questions about this article. You can contact me @ Email – [email protected] Mobile No. – 09305235027 – TNT Or feel free to comment below.

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