linq to sql - How to deal with DateTime field when using LEFT OUTER JOIN in LinqToSql -

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I have 2 tables, employees and absence I want to include the left outer so that I get all the employees and any related absences Can I In LINQ2SQL, I can use the following to create a LEFT OUTER JOIN: 

  In an absence of empires. From the AE in the equivalent of Empireide X Select the default IFEmpty () new {FULLNAME = e.Surname + "," + e.Forename} "

This is what I see but I started the absence of any I want to select 

  new {FULLNAME = e.Surname + "," + e.Forename, x.StartDate}

I can change the selection statement but I get an error because the datetime is not worth the faucet if there is no start date or actual date, how can I show an empty string? Trying to use StartDate.SortDateString () but it clearly throws an error, if it is empty, then I have also tried: 

  choose new {alias = E. Name, StartDate = x.StartDate == Faucet? "": X.startout}

But this does not work either. Any suggestions?

Select write statement

select new {FULLNAME = e.

< / P>


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