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    I also use 'var' in foreach statements where I only care about enumerating a collection, not necessarily about the type of each item. Commented Feb 2, 2011 at 18:32
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    And as Jesse pointed out anonymous types ;) Commented Feb 2, 2011 at 18:43
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    @AnnaLear sometimes you have to care though. foreach (var row in datatable.Rows) in this case var is an object not a DataRow as one would expect. Commented Nov 9, 2011 at 18:47
  • @ThanosPapathanasiou Sure, yeah. Same thing goes for the Controls collection in Windows Forms and probably other situations, too. Commented Nov 9, 2011 at 18:51
  • I usually use var except when i want to be sure of the type of my variable (like when i want to be sure that the value is double for example) Commented Mar 7, 2013 at 16:49