#188

Author: StefH

src/System.Linq.Dynamic.Core/Parser/ExpressionParser.cs

@@ -1246,13 +1246,30 @@ private Expression CreateNewExpression(List<DynamicProperty> properties, List<Ex
             ConstructorInfo ctor = type.GetConstructor(propertyTypes);
             if (ctor != null && ctor.GetParameters().Length == expressions.Count)
             {
-                return Expression.New(ctor, expressions, (IEnumerable<MemberInfo>)propertyInfos);
+                var expressionsPromoted = new List<Expression>();
+
+                // Loop all expressions and promote if needed
+                for (int i = 0; i < propertyTypes.Length; i++)
+                {
+                    Type propertyType = propertyTypes[i];
+                    Type expressionType = expressions[i].Type;
+
+                    // Promote from Type to Nullable Type if needed
+                    expressionsPromoted.Add(ExpressionPromoter.Promote(expressions[i], propertyType, true, true));
+                }
+
+                return Expression.New(ctor, expressionsPromoted, (IEnumerable<MemberInfo>)propertyInfos);
             }
 
             MemberBinding[] bindings = new MemberBinding[properties.Count];
             for (int i = 0; i < bindings.Length; i++)
             {
-                bindings[i] = Expression.Bind(type.GetProperty(properties[i].Name), expressions[i]);
+                PropertyInfo property = type.GetProperty(properties[i].Name);
+                Type propertyType = property.PropertyType;
+                Type expressionType = expressions[i].Type;
+
+                // Promote from Type to Nullable Type if needed
+                bindings[i] = Expression.Bind(property, ExpressionPromoter.Promote(expressions[i], propertyType, true, true));
             }
 
             return Expression.MemberInit(Expression.New(type), bindings);

src/System.Linq.Dynamic.Core/System.Linq.Dynamic.Core.csproj

@@ -4,7 +4,7 @@
     <AssemblyTitle>System.Linq.Dynamic.Core</AssemblyTitle>
     <VersionPrefix>1.0.8.11</VersionPrefix>
     <Authors>Microsoft;Scott Guthrie;King Wilder;Nathan Arnott;Stef Heyenrath</Authors>
-    <TargetFrameworks>net35;net40;net45;net46;uap10.0;netstandard1.3;netstandard2.0</TargetFrameworks>
+    <TargetFrameworks>net35;net40;net45;net46;netstandard1.3;netstandard2.0</TargetFrameworks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <AssemblyName>System.Linq.Dynamic.Core</AssemblyName>
     <AssemblyOriginatorKeyFile>System.Linq.Dynamic.Core.snk</AssemblyOriginatorKeyFile>