ArcEngine：空间索引格网大小无效

IFeatureClass pNewFtCls = Asssit.CrtFtCls((IFeatureWorkspace)pWs, nfn, confgDataTable, pGeoDef);
IFeatureClassLoad pFclsLoad = pNewFtCls as IFeatureClassLoad;
pFclsLoad.LoadOnlyMode = true;
//此处写编辑的代码
pFclsLoad.LoadOnlyMode=false;