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Objects to CSV

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Revision as of 19:18, 2 June 2008 by eschneider (Talk | contribs)
(diff) ←Older revision | Current revision (diff) | Newer revision→ (diff)
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Convert objects into a CSV string

Converts a IList collection into a CSV string. Converts object into a CSV string. Includes headers.

Uses reflection.

textLine number Off | Hide | Select all
  1. /// <summary>
  2.         /// Return a CSV file in a string.
  3.         /// </summary>
  4.         /// <param name="collection">IList.</param>
  5.         /// <returns>string.</returns>
  6.         public static string CollectionToCsv(IList collection) {
  7.  
  8.             if (collection == null) throw new ArgumentNullException("collection", "Value can not be null or nothing!");
  9.  
  10.             StringBuilder sb = new StringBuilder();
  11.  
  12.             for (int index = 0; index < collection.Count; index++) {
  13.                 object item = collection[index];
  14.  
  15.                 if (index == 0) {
  16.                     sb.Append(ObjectToCsvHeader(item));
  17.                 }
  18.                 sb.Append(ObjectToCsvData(item));
  19.                 sb.Append(Environment.NewLine);
  20.             }
  21.  
  22.             return sb.ToString();
  23.         }
  24.  
  25.         /// <summary>
  26.         /// Creates a comma delimeted string of all the objects property values names.
  27.         /// </summary>
  28.         /// <param name="obj">object.</param>
  29.         /// <returns>string.</returns>
  30.         public static string ObjectToCsvData(object obj) {
  31.             if (obj == null) {
  32.                 throw new ArgumentNullException("obj", "Value can not be null or Nothing!");
  33.             }
  34.  
  35.             StringBuilder sb = new StringBuilder();
  36.             Type t = obj.GetType();
  37.             PropertyInfo[] pi = t.GetProperties();
  38.  
  39.             for (int index = 0; index < pi.Length; index++) {
  40.                 sb.Append(pi[index].GetValue(obj, null));
  41.  
  42.                 if (index < pi.Length - 1) {
  43.                     sb.Append(",");
  44.                 }
  45.             }
  46.  
  47.             return sb.ToString();
  48.         }
  49.  
  50.         /// <summary>
  51.         /// Creates a comma delimeted string of all the objects property names.
  52.         /// </summary>
  53.         /// <param name="obj">object.</param>
  54.         /// <returns>string.</returns>
  55.         public static string ObjectToCsvHeader(object obj) {
  56.             if (obj == null) {
  57.                 throw new ArgumentNullException("obj", "Value can not be null or Nothing!");
  58.             }
  59.  
  60.             StringBuilder sb = new StringBuilder();
  61.             Type t = obj.GetType();
  62.             PropertyInfo[] pi = t.GetProperties();
  63.  
  64.             for (int index = 0; index < pi.Length; index++) {
  65.                 sb.Append(pi[index].Name);
  66.  
  67.                 if (index < pi.Length - 1) {
  68.                     sb.Append(",");
  69.                 }
  70.             }
  71.             sb.Append(Environment.NewLine);
  72.  
  73.             return sb.ToString();
  74.         }

325 Rating: 3.3/5 (9 votes cast)

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