diff --git a/MdxClient/MdxCommand.cs b/MdxClient/MdxCommand.cs
index 7a9cc36..d71d852 100644
--- a/MdxClient/MdxCommand.cs
+++ b/MdxClient/MdxCommand.cs
@@ -27,6 +27,7 @@ public class MdxCommand : DbCommand
         private readonly XNamespace _namespace = "urn:schemas-microsoft-com:xml-analysis:mddataset";
         private readonly XNamespace _xsiNs = "http://www.w3.org/2001/XMLSchema-instance";
         private IEnumerable<ColumnMap> _columnMap;
+        private static readonly string[] invalid = new[] { "NAN", "INF", "-INF" };
         #endregion
 
         #region constructors
@@ -613,8 +614,12 @@ private void AddRows(IEnumerable<Tuple> rows, List<Cell> cells, int rowColumnCou
                             // this is done because the xml coming back does not include nulls/empty data.  We have to fill in the gap or the subsequent objects will throw the data off
                             if (Convert.ToInt32(cell.Ordinal) == i)
                             {
-                                cellToAdd = cell;
-                                AdjustValueFromColumnType(cellToAdd, cell.Ordinal % (columnCountFromColumnAxis) + rowColumnCount, crs);
+                                // Do this only if it's not infinity or NaN
+                                if (!(cell.Type != "xsd:string" && cell.Value != null && invalid.Contains(cell.Value.ToString())))
+                                {
+                                    cellToAdd = cell;
+                                    AdjustValueFromColumnType(cellToAdd, cell.Ordinal % (columnCountFromColumnAxis) + rowColumnCount, crs);
+                                }
                                 cellsIndexer++;
                             }
                         }
diff --git a/MdxClient/MdxConnection.cs b/MdxClient/MdxConnection.cs
index be2db36..ad6f21b 100644
--- a/MdxClient/MdxConnection.cs
+++ b/MdxClient/MdxConnection.cs
@@ -41,6 +41,12 @@ internal AdomdConnection Connection
             }
         }
 
+        public String SessionID
+        {
+            get { return _connection.SessionID; }
+            set { _connection.SessionID = value; }
+        }
+
         protected override DbTransaction BeginDbTransaction(IsolationLevel isolationLevel)
         {
             if (IsolationLevel.Unspecified == isolationLevel || IsolationLevel.ReadCommitted == isolationLevel)
@@ -67,6 +73,15 @@ public override void Close()
             _connection.Close();
         }
 
+        /// <summary>
+        /// Closes the connection to the database, while giving an option to leave the session open.
+        /// </summary>
+        /// <param name="endSession">If false, the session will remain open so it can be reused</param>
+        public void Close(bool endSession)
+        {
+            _connection.Close(endSession);
+        }
+
         /// <summary>
         /// Gets or sets the string used to open a SQL Server Analysis Services database.
         /// </summary>