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• Create Date April 25, 2016
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Pass value from one form to another in C#

Pass value from one form to another in C#

This is a sample program in c# that passes or transfer value entered in a textbox from source form to the label control of another form.

The program will ask you to enter your name, address and age, any value you entered on those fields will appear on the label in the second form.

Open the project solution (.sln) in visual studio 2010/2012 or open directly the project file (.csproj)

Source code:

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
 
namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            
            InitializeComponent();
            
        }
       
        private void button1_Click(object sender, EventArgs e)
        {
            string myname=textBox1.Text;
            int myage = int.Parse(textBox2.Text);
            string myaddress = textBox3.Text;
            Form2 form2 = new Form2(myname, myage, myaddress);

            if (textBox1.Text == "")
            {
                MessageBox.Show("Please enter your name");
                textBox1.Focus();
            }
            else if (textBox2.Text == "")
            {
                MessageBox.Show("Please enter your age");
                textBox2.Focus();
            }
            else if (textBox3.Text == "")
            {
                MessageBox.Show("Please enter your address");
                textBox3.Focus();
            }
            else
            {
                form2.Show();
            }
            
        }
    }
}