IsNull() public static method

public static IsNull ( object o ) : bool
o object
return bool
DBNullHelper Class Documentation
Esempio n. 1
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 private static T ConvertValueType(object value)
 {
     if (DBNullHelper.IsNull(value))
     {
         throw new NullReferenceException("Value is DbNull");
     }
     return(ConvertPrivate <T>(value));
 }
Esempio n. 2
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 private static T ConvertRefType(object value) => DBNullHelper.IsNull(value) ? default(T) : ConvertPrivate <T>(value);
Esempio n. 3
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 // ReSharper disable once UnusedMember.Local
 // (used via reflection!)
 private static TElem?ConvertNullableValueType <TElem>(object value) where TElem : struct
 => DBNullHelper.IsNull(value) ? (TElem?)null : ConvertPrivate <TElem>(value);