String GetDimension(MetadataQuery args)
        {
            OlapMetadataProvider provider = new OlapMetadataProvider(new ConnectionInfo(args.Connection, GetConnectionString(args.Connection)));

            DimensionInfo info = provider.GetDimension(args.CubeName, args.DimensionUniqueName);
            return XmlSerializationUtility.Obj2XmlStr(info, Common.Namespace);
        }