Is there an easy way within C# to check to see if a DateTime instance has been assigned a value or not?
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Is there an easy way within C# to check to see if a DateTime instance has been assigned a value or not?
The only way of having a variable which hasn’t been assigned a value in C# is for it to be a local variable – in which case at compile-time you can tell that it isn’t definitely assigned by trying to read from it 🙂
I suspect you really want
Nullable<DateTime>(orDateTime?with the C# syntactic sugar) – make itnullto start with and then assign a normalDateTimevalue (which will be converted appropriately). Then you can just compare withnull(or use theHasValueproperty) to see whether a ‘real’ value has been set.