Fix RowVersion for SqlServer

Author: mythz

lib/ServiceStack.Text.dll

@@ -107,8 +107,7 @@ public override void SetDbValue(FieldDefinition fieldDef, IDataReader reader, in
                 var bytes = reader.GetValue(colIndex) as byte[];
                 if (bytes != null)
                 {
-                    Array.Reverse(bytes); //Correct Endianness
-                    var ulongValue = BitConverter.ToUInt64(bytes, 0);
+                    var ulongValue = ConvertToULong(bytes);
                     try
                     {
                         fieldDef.SetValueFn(instance, ulongValue);

lib/ServiceStack.Text.pdb

@@ -1245,6 +1245,14 @@ protected virtual string FkOptionToString(OnFkOption option)
             }
         }
 
+
+        public static ulong ConvertToULong(byte[] bytes)
+        {
+            Array.Reverse(bytes); //Correct Endianness
+            var ulongValue = BitConverter.ToUInt64(bytes, 0);
+            return ulongValue;
+        }
+
         public virtual object ConvertDbValue(object value, Type type)
         {
             if (value == null || value is DBNull) return null;
@@ -1289,7 +1297,12 @@ public virtual object ConvertDbValue(object value, Type type)
                     case TypeCode.Int64:
                         return value is long ? value : Convert.ToInt64(value);
                     case TypeCode.UInt64:
-                        return value is ulong ? value : Convert.ToUInt64(value);
+                        if (value is ulong)
+                            return value;
+                        var byteValue = value as byte[];
+                        if (byteValue != null)
+                            return ConvertToULong(byteValue);
+                        return Convert.ToUInt64(value);
                     case TypeCode.Single:
                         return value is float ? value : Convert.ToSingle(value);
                     case TypeCode.Double:

src/ServiceStack.OrmLite.SqlServer/SqlServerOrmLiteDialectProvider.cs

@@ -76,7 +76,6 @@ public class RowVersionTests : OrmLiteTestBase
         [TestFixtureSetUp]
         public void FixtureSetUp()
         {
-            //Dialect = Dialect.Sqlite;
             LogManager.LogFactory = new ConsoleLogFactory(debugEnabled: true);
             using (var dbConn = OpenDbConnection())
             {