To show a new Form on click of a button in C#

Try this:

private void Button1_Click(Object sender, EventArgs e ) 
{
   var myForm = new Form1();
   myForm.Show();
}

private void ButtonClick(object sender, System.EventArgs e)
{
    MyForm form = new MyForm();
    form.Show(); // or form.ShowDialog(this);
}

Double click the button in the form designer and write the code:

    var form2 = new Form2();
    form2.Show();

Search some samples on the Internet.

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