private void dataOperationPageToolStripMenuItem_Click(object sender, EventArgs e)
 {
     this.Hide();
     recordOperationForm recordObj = new recordOperationForm();
     recordObj.Show();
 }
        private void viewRecordBtn_Click(object sender, EventArgs e)
        {
            this.Hide();
            recordOperationForm recordObj = new recordOperationForm();
            recordObj.Show();

        }