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    <p>OK!,I try your problem.And I'm great worked.Try my source:</p> <p>My simple Test class:</p> <pre><code>public class Test { [DataMember(Name = "A", Order = 96)] public string A { get; set; } [DataMember(Name = "B", Order = 97)] public string B { get; set; } [DataMember(Name = "C", Order = 98)] public string C { get; set; } } </code></pre> <p>And Ext:</p> <pre><code> public static class Ext { public static IList&lt;KeyValuePair&lt;string, int&gt;&gt; AsOrderColumns&lt;T&gt;(this T t) where T : class { return t.GetType() .GetProperties() .Where(w =&gt; w.IsOrderColumn()) .Select(s =&gt; s.GetOrderColumn()) .OrderBy(o =&gt; o.Value) .ToList(); } private static bool IsOrderColumn(this PropertyInfo prop) { return prop.GetCustomAttributes(typeof(DataMemberAttribute), true) .Any(); } private static KeyValuePair&lt;string, int&gt; GetOrderColumn(this PropertyInfo prop) { var attr = prop.GetCustomAttributes(typeof(DataMemberAttribute), true) .ElementAt(0) as DataMemberAttribute; return (attr != null) ? new KeyValuePair&lt;string, int&gt;(attr.Name, attr.Order) : new KeyValuePair&lt;string, int&gt;(); } public static IList&lt;object&gt; AsOrderRow&lt;T&gt;(this T t) where T : class { return t.GetType() .GetProperties() .Where(w =&gt; w.IsOrderColumn()) .OrderBy(o =&gt; o.GetOrderColumn().Value) .Select(s =&gt; s.GetValue(t, null)) .ToList(); } } </code></pre> <p>Console test code:</p> <pre><code> class Program { static void Main(string[] args) { var test = new Test(); var tests = new List&lt;Test&gt;() { new Test() {A = "A-1.1", B = "B-1.2", C = "C-1.3"}, new Test() {A = "A-2.1", B = "B-2.2", C = "C-2.3"}, new Test() {A = "A-3.1", B = "B-3.2", C = "C-3.3"}, new Test() {A = "A-4.1", B = "B-4.2", C = "C-4.3"} }; Console.WriteLine(String.Join&lt;string&gt;("\t", test.AsOrderColumns().Select(s =&gt; String.Format("{0}({1})", s.Key, s.Value)))); foreach (var item in tests) { Console.WriteLine(String.Join&lt;object&gt;("\t", item.AsOrderRow())); } Console.ReadKey(); } } </code></pre>
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    1. POHow do you specify the order of columns of a doddlereport without creating a new object
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    1. POHow do you specify the order of columns of a doddlereport without creating a new object
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    1. VO
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    1. COWorked like a charm, thanks!
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      1. USMarc Bernstein
 

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