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Using query tool on oracle data, catch an Unsupported Oracle Data Type USERDEFINED exception

Topics: Data Access, SharpMap Project, SharpMap v0.9 / v1.x, Web Controls, WinForms Controls
Apr 12, 2011 at 3:27 AM

when i used the sharp map query tool on the map ,i had catched this exception

Catch System.NotSupportedException  Message="Unsupported Oracle Data Type USERDEFINED。"  

at the file oracle.cs the method is "ExecuteIntersectionQuery(BoundingBox bbox, FeatureDataSet ds)"
                using (OracleDataAdapter adapter = new OracleDataAdapter(strSQL, conn))
                    DataSet ds2 = new DataSet();
                    adapter.Fill(ds2);//at this line, i catch the exception
so how can i solve this problem, beg your reply?