Merge pull request #475 from yuinlin/FixSetParametersForOracle

fix order of setting DbType and Value when creating DbDataParameter

Author: mythz

src/ServiceStack.OrmLite/OrmLiteReadCommandExtensions.cs

@@ -294,9 +294,9 @@ internal static IDbCommand SetParameters(this IDbCommand dbCmd, IDictionary<stri
                 p.ParameterName = kvp.Key;
 
                 p.Direction = ParameterDirection.Input;
-                p.Value = value ?? DBNull.Value;
                 if (value != null)
                     dialectProvider.InitDbParam(p, value.GetType());
+                p.Value = value ?? DBNull.Value;
 
                 dbCmd.Parameters.Add(p);
             }