private void Form3_Load(object sender, EventArgs e)        {            DataTable dt = new DataTable();            dt.Columns.Add("HZ");            dt.Columns.Add("PY",typeof(object));                     dt.Rows.Add(1,1);            dt.Rows.Add(2,2);            gridControl1.DataSource = dt;        }        private void gridView1_CustomRowCellEdit(object sender, DevExpress.XtraGrid.Views.Grid.CustomRowCellEditEventArgs e)        {            if (e.Column.FieldName == "PY")            {                if (e.RowHandle == 0)                {                    RepositoryItemRadioGroup rig = new RepositoryItemRadioGroup();                    RadioGroupItem item = new RadioGroupItem();                    item.Description = "S";                    item.Value = 1;                    RadioGroupItem item1 = new RadioGroupItem();                    item1.Description = "Y";                    item1.Value = 3;                    rig.Items.Add(item);                    rig.Items.Add(item1);                    rig.ParseEditValue += rig_ParseEditValue;                    e.RepositoryItem = rig;                }                else if (e.RowHandle ==1)                {                    RepositoryItemRadioGroup rig1 = new RepositoryItemRadioGroup();                    RadioGroupItem item2 = new RadioGroupItem();                    item2.Description = "M";                    item2.Value = 2;                    RadioGroupItem item3 = new RadioGroupItem();                    item3.Description = "N";                    item3.Value = 4;                    rig1.Items.Add(item2);                    rig1.Items.Add(item3);                    e.RepositoryItem = rig1;                }            }        }