(thanks @wickedsheep) Don't use GetValues() due to broken implementation in...

(thanks @wickedsheep) Don't use GetValues() due to broken implementation in some providers (Mono: I'm looking at you); also add AsList()

Dapper NET40/SqlMapper.cs

@@ -1026,6 +1026,15 @@ public bool Equals(Identity other)
             }
         }
 
+        /// <summary>
+        /// Obtains the data as a list; if it is *already* a list, the original object is returned without
+        /// any duplication; otherwise, ToList() is invoked.
+        /// </summary>
+        public static List<T> AsList<T>(this IEnumerable<T> source)
+        {
+            return (source == null || source is List<T>) ? (List<T>)source : source.ToList();
+        }
+
 #if CSHARP30
         /// <summary>
         /// Execute parameterized SQL  
@@ -2584,9 +2593,11 @@ private static Exception MultiMapException(IDataRecord reader)
 
                     if (startBound == 0)
                     {
-                        r.GetValues(values);
                         for (int i = 0; i < values.Length; i++)
-                            if (values[i] is DBNull) values[i] = null;
+                        {
+                            object val = r.GetValue(i);
+                            values[i] = val is DBNull ? null : val;
+                        }
                     }
                     else
                     {

Tests/Tests.cs

@@ -19,6 +19,7 @@
 using Microsoft.SqlServer.Types;
 using System.Data.SqlTypes;
 using FirebirdSql.Data.FirebirdClient;
+using System.Diagnostics;
 #if POSTGRESQL
 using Npgsql;
 #endif
@@ -4191,6 +4192,16 @@ public void BasicDecimals()
             c.IsEqualTo(11.884M);
         }
 
+        public void Issue263_Timeout()
+        {
+            var watch = Stopwatch.StartNew();
+            var i = connection.Query<int>("waitfor delay '00:01:00'; select 42;", commandTimeout: 300, buffered: false).Single();
+            watch.Stop();
+            i.IsEqualTo(42);
+            var minutes = watch.ElapsedMilliseconds / 1000 / 60;
+            Assert.IsTrue(minutes >= 0.95 && minutes <= 1.05);
+        }
+
 #if POSTGRESQL
 
         class Cat