I\'m trying to add a column to an existing table. I added a property to the mapping : <property name=\"SelectionId\" column=\"selection_id\" not-null=\"true\"/>
This MSDN reference seems to indicate that when an int? (or any Nullable<T>) has a value, it\'开发者_如何学运维s always boxed (and hence a much less efficient store of data, memory-wise than an
I have this class public class FilterQuery { public FilterQuery() { } public string OrderBy { set开发者_运维百科; get; }
I have a Website table that has a foreign key to a Client table.A Website isn\'t always going to have an associated Client but when I save a Website without specifying a client then it errors out, as
With a view model containing the field: public bool? IsDefault { get; set; } I get an error when trying to map in the view:
How to execute a stored procedure with a nullable parameter in c#? EDIT: Actually, I\'ve written below code. As you can see, status parameter is a nullable value type.
I have a class with a Boolean attribute. When I instantiate and persist this class, the Boolean attribute is stored with the \"false\" value instead of the expectable 开发者_JAVA技巧\"null\". How can
A fairly basic problem for a change. Given a class such as this: public class X { public T A; public T B;
What does ? mean: public bool? Verbose { get; set; } When applied to string?, there is an er开发者_如何学Pythonror:
A small problem. Any idea guys why this does not work? int? nullableIntVal = (this.Policy == null) ? null : 1;
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