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copied!<p>You could use a static dictionary as a map instead of a switch-statement.</p> <pre><code> static readonly Dictionary<string, string> map = new Dictionary<string, string> { { "00", "14" }, { "01", "18" }, // ... more ... }; // ... in your method ... string str = pk.Substring(2, 2); string val; if (!map.TryGetValue(str, out val)) { // Handle error, like in the "default:" case of the switch statement } else { ViewBag.Type = _reference.Get(val, model.Type).Value; } </code></pre> <p>However, I would only do this, if there are really a lot of mappings that maybe can even be "read" from an external source like a configuration file.</p> <p>Also note, that if the "key" is really a consecutive sequence of integers starting at 0, you might be able to use an array, where the "key" is simply the index into it.</p> <pre><code> static readonly string[] map = new string[] { "14", "18", ... }; int index = Int32.Parse(pk.Substring(2, 2)); // Error handling elided. if (index < 0 || index > map.Length) { // Handle error, like in the "default:" case of the switch statement } else { ViewBag.Type = _reference.Get(map[index], model.Type).Value; } </code></pre> <p>Otherwise rather stay with an explicit switch statement (possibly factoring out the assignment for more terse code):</p> <pre><code> string val; switch (pk.Substring(2, 2)) { case "00": val = "14"; break; case "01": val = "18"; break; // ... more ... default: // Error handling for unknown switch-value. break; } ViewBag.Type = _reference.Get(val, model.Type).Value; </code></pre>

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