Send values from one form to another form

Question

I want to pass values between two Forms (c#). How can I do it?

I have two forms: Form1 and Form2.

Form1 contains one button. When I click on that button, Fo

Answer 1

declare string in form1 public string TextBoxString;

in form1 click event add

private void button1_Click(object sender, EventArgs e)
    {
        Form1 newform = new Form1();
        newform = this;
        this.Hide();
        MySecform = new Form2(ref newform);
        MySecform.Show();
    }

in form2 constructer

public Form2(ref Form1 form1handel)
    {
        firstformRef = form1handel;
        InitializeComponent();
    }

in form2 crate variable Form1 firstformRef;

private void Submitt_Click(object sender, EventArgs e)
    {
        firstformRef.TextBoxString = textBox1.Text;
        this.Close();
        firstformRef.Show();

    }