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Casting Vs. Convert To Method

Posted on 2007-04-02
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Last Modified: 2011-10-03
What is the difference between using this:
(string)value; // typical cast

and this
Convert.ToString(value);

Is one preferred over the other? Why?

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Question by:marmaxx
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Guy Hengel [angelIII / a3] earned 125 total points
ID: 18837611
it depends on the context.
usually, casting is only used when you KNOW that the variable (value) is of type string under the hood (for example a string assigned to the generic object data type).
convert is used when the variable is not of type string.
there is a third thing, most objects have a .ToString method, which is, in case of strings, the preferred method.

for other data types, like numerical/dates etc, only your 2 methods are possible, but again, it depends on the context
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