load method.this method runs the tips form -
private void frmMain_Load(object sender, System.EventArgs e)
{
frmTips newfrmTipoftheday = new frmTipOfTheDay();
//this line shows the tips form as a modal dialog box.
//design your frmTips form in a way that it shows
//tips from database(keep a next button to show next
//tips and cancel button which quits tips window.
newfrmTipoftheday.ShowDialog();
}