ASPxDataInsertingEventArgs Class

protected void ASPxGridView1_RowInserting(object sender, DevExpress.Web.Data.ASPxDataInsertingEventArgs e) {
    ds = (DataSet)Session["DataSet"];
    ASPxGridView gridView = (ASPxGridView)sender;

    DataTable dataTable = gridView.GetMasterRowKeyValue() != null ? ds.Tables[1] : ds.Tables[0];
    DataRow row = dataTable.NewRow();
    e.NewValues["ID"] = GetNewId();
    IDictionaryEnumerator enumerator = e.NewValues.GetEnumerator();
    enumerator.Reset();
    while(enumerator.MoveNext())
        if(enumerator.Key.ToString() != "Count")
            row[enumerator.Key.ToString()] = enumerator.Value;
    gridView.CancelEdit();
    e.Cancel = true;
    dataTable.Rows.Add(row);
}