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Why CommaDelimitedStringCollection Made Me Happy Today
Another thing that I stumbled on today that has made me all sorts of happy is the CommaDelimitedStringCollection class, which basically let's you take a bunch of string values and work with them in a comma delimited format (so I guess the class name is pretty intuitive 
). I can't even explain how many times I have re-invented this wheel. So let's say that you have a ListBox control that contains a set of string type values, and you are adding the selected values to a list generic in something like an event handler, you would have this basically:
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foreach (string l_strValue in l_oTbExample.SelectedItems)
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{
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m_gBoxGeneric.Add(l_strValue);
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}
where the l_oTbExample is just a ListBox control. This isn't very earthshattering and I am just using that loop as an example. Now, let's say you want to output those selected values into a comma delimited format. The easiest way to do it is to just use the CommaDelimitedStringCollection class, which natively provides this functionality. It would look like this:
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List<String>.Enumerator l_oEnumerator = m_gBoxGeneric.GetEnumerator();
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try
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{
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while (l_oEnumerator.MoveNext())
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{
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string l_strBoxVal = l_oEnumerator.Current;
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m_oDelimitedFormat .Add(l_strBoxVal);
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}
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}
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finally
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{
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l_oEnumerator.Dispose();
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}
Then you can just output the comma delimited values by doing a m_oDelimitedFormat.ToString() and you are done!
Article Or Research Filed Under SharePoint Development.
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