c# - LINQ check string property for NULL in generating a ToList() -

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I have this linen statement which successfully creates the list if the property is not fired 

  Result. Adrenal (M_CTST.T.There (x => x.Property.Contains (Search)). ToList ()); However, if x.property is null, then it is errors, so I would like to try to check it for spaces and if it is not empty then proceed to making the list.  
 I have tried,  
  result.adrenent (m_CTS.Entity.Where (x => x.Property == zero? "": X.Property .Contains (Search) ToList ()).   
 But also errors, what am I doing wrong?  
 In advance thanks   
 
 
  x.Property.Contains (search)  / Code> a  bool , so the other side of the turner operator should do this:  
  x => X.Property == Tap? Incorrect: x. Property. Search (Search)   
 Or simply:  
  x = & gt; X Property! = Null & amp; amp; X.Property.Contains (Search)

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