private void loadData()
{
gvYearSem.DataSource = objStudCore.getYearSem();
gvYearSem.RowsDefaultCellStyle.BackColor = Color.LightGray;
gvYearSem.AlternatingRowsDefaultCellStyle.BackColor = Color.CornflowerBlue;
gvYearSem.CellBorderStyle = DataGridViewCellBorderStyle.RaisedHorizontal;
gvYearSem.DefaultCellStyle.WrapMode = DataGridViewTriState.True;
gvYearSem.Columns[0].DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;
gvYearSem.Columns[1].DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;
gvYearSem.Columns[0].Width = 200;
gvYearSem.Columns[1].Width = 200;
gvYearSem.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
gvYearSem.AllowUserToResizeColumns = false;
}