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Generics with Databinding

/ Published in: C#
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Methinks this is a bad idea but it is a suggested use of generics from the .NET 2.0 Generics Wrox book

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  1. public static Dictionary<X, G> BuildDictionary<X, G>(string db, string keyColumn, string valColumn) {
  2.             Dictionary<X, G> myDictionary = new Dictionary<X, G>();
  3.             SqlDataReader rd = new SqlCommand().ExecuteReader();
  4.             while (rd.Read()) {
  5.                 myDictionary.Add((X)rd[keyColumn], (G)rd[valColumn]); // ? good idea?
  6.             }
  7.             rd.Close();
  8.             return myDictionary;
  9.         }

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