public static frmfeedback get_instance()
{
if (feedback_form == null)
{
feedback_form = new frmfeedback();
return(feedback_form);
}
else
{
return(feedback_form);
}
}
private void button1_Click(object sender, EventArgs e)
{
frmfeedback frm = frmfeedback.get_instance();
this.Hide();
frm.Show();
txtcaddress.Hide();
txtccell.Hide();
txtcdevice.Hide();
txtcmail.Hide();
txtcname.Hide();
txtcproblem.Hide();
cmdfeedback.Hide();
cmdrepair.Hide();
}
private void cmdfeedback_Click(object sender, EventArgs e)
{
frmfeedback frm = new frmfeedback();
frm.Show();
}