Simple Example To Send Data From One Form To Another Form In C#

Design Form1 And Form2 As Below Shown:



Now, Write Below The Code In Form1.cs :

using System;

usingSystem.Collections.Generic;

usingSystem.ComponentModel;

usingSystem.Data;

usingSystem.Drawing;

usingSystem.Linq;

usingSystem.Text;

usingSystem.Windows.Forms;

namespaceSendStringFromOneFormToAnotherForm

{

    public partial class Form1 : Form

    {

        publicForm1()

        {

            InitializeComponent();

        }

        privatevoid button1_Click(objectsender, EventArgs e)

        {

            Form2frm2 = new Form2(textBox1.Text);

            frm2.Show();

        }

    }

}

Now, Write The Below Code In Form2.cs :

using System;

usingSystem.Collections.Generic;

usingSystem.ComponentModel;

usingSystem.Data;

usingSystem.Drawing;

usingSystem.Linq;

usingSystem.Text;

usingSystem.Windows.Forms;

namespaceSendStringFromOneFormToAnotherForm

{

    public partial class Form2 : Form

    {

        publicForm2(string str)

        {

            InitializeComponent();

            textBox1.Text = str;

        }

    }

}

Now, Run The Application And Give Any Text In The TextBox And Click On "Show Data In Other Form" Button, Then It Shows The Output As Below :

Output:-