谁会用DV控件删除一条记录啊啊，好多都显示不出来

string whereClause = (_ResultLayer as IFeatureLayerDefinition).DefinitionExpression;
string tableName = StaticSystemAOClass.AOComm.GetDataSetName(_ResultLayer.FeatureClass);

             DataTable dt=WFSysParaClass.SysDbCtrl.GetDataTable(sql);

           //  string selectID = 

            //tring sql="delete * from {0} where ID"*/
        }