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9671411
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2012-03-12T16:58:57.553
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2012-03-12T17:04:43.517
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Thanks David. I went with your approach, but modified it slightly to make it a little less painful form me. I added associations to my classes as in your example: <pre><code>[Association(ThisKey = "EyeColorCode", OtherKey = "Id")] public Code EyeColor { get; set; } [Association(ThisKey = "HairColorCode", OtherKey = "Id")] public Code HairColor { get; set; } </code></pre> Then I wrote an extension method. It takes a new object, and merges all the writable properties into the source object. Using this, I don't need to specify every single property in my query, i.e.: <pre><code>from p in db.Person select p.PropertyUnion(new Person() { { EyeColor = p.EyeColor, HairColor = p.HairColor }; </code></pre> This saves me quite a bit of code for some of my more complex objects, and I think it is more readable. Here is the code for the extension method: <pre><code>/// <summary> /// Union by retrieving all non-null properties from source parameter and setting those properties on the instance object /// </summary> public static T PropertyUnion<T>(this T destination, T source) { // Don't copy from a null object if (Object.ReferenceEquals(source, null) || Object.ReferenceEquals(destination, null)) { return destination; } // copy properties foreach (var property in source.GetType().GetProperties()) { if (!property.CanWrite || !property.CanRead) continue; var match = destination.GetType().GetProperty(property.Name); if (!match.CanWrite || !match.CanRead) throw new MethodAccessException("Matching property '" + match.Name + "' must allow both read and write operations."); var value = property.GetValue(source, null); if (value != null && !value.Equals(Activator.CreateInstance(property.PropertyType))) match.SetValue(destination, value, null); } return destination; } </code></pre> Thanks again for your help!
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1. POMapping a code table in BLToolkit
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1. PTAnswer
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1. USJason
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1. USJason
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