private void ViewTile_Click(object sender, EventArgs e)
        {
            ViewTile.color    = Color.FromArgb(242, 242, 242);
            InsertTile.color  = Color.Wheat;
            DeleteTile.color  = Color.Wheat;
            UpdateTile.color  = Color.Wheat;
            SelectTile.color  = Color.Wheat;
            HideTile.color    = Color.Wheat;
            idGB.Visible      = false;
            grid.Visible      = true;
            detailsGB.Visible = true;
            UpdateBtn.Visible = false;
            DeleteBtn.Visible = false;
            InsertBtn.Visible = false;
            ClearBtn.Visible  = false;
            var dataSource = _studentService.GetStudentsDataTable();

            if (dataSource.Rows.Count == 0)
            {
                MessageBox.Show("This table currently contains no record!", "Information", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            grid.DataSource = dataSource;
        }