Perhaps this has something to do with it being the mainForm, but I'll ask the question. I have my mainForm that is the first to load when the program is booted.

I then click a button called Add, which should open a new form, and close the mainForm.

The problem is, is shows the new form for a split second, then closes both.

The code:

private void addFrmBtn_Click(object sender, EventArgs e)
    {
        saveForm saveform = new saveForm();
        saveform.Show();
        this.Close();
    }