nullable

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XML Commenting -- How to properly mark a see also tag?

I have the following and I\'m not sure how to properly reference this in my XML commenting: public static class FooExtensions[详细]

2023-03-03 22:53 分类：问答
In grails need to change a field in a domain class to nullable after I have already gone to production

I have a domain class with a string field that I am changing to nullable.In DataSource.groovy I have the mode set to \"update.\"Is there any way to make grails alter the MySql without changing to \"cr[详细]

2023-03-03 20:16 分类：问答
SQL Server Nullable Column

I have a SQL Server table with a few columns of type varchar which are nullable. When an aspx page posts data if thetextbox is empty, the database table column is updated to an empty string.[详细]

2023-03-02 23:05 分类：问答
Generic type parameter and Nullable method overload

Hi I have this code using generic and nullable: // The first one is for class public static TResult With<TInput, TResult>(this TInput o,[详细]

2023-03-01 10:03 分类：问答
Find type of nullable properties via reflection

I examine the properties of an object via reflection and continue processing the data type of each property. Here is my (reduced) source:[详细]

2023-02-24 12:16 分类：问答
Call c# from c++: how to pass nullptr to DateTime?

In a c# assembly, I got a function taking a nullable DateTime as parameter: public void 开发者_Python百科DoSomething(DateTime? timestamp);[详细]

2023-02-21 06:30 分类：问答
Creating nullable data types in c#

I have a data type called public enum Gender { Male, Female } But some case i need to pass the开发者_开发知识库 vale for the gender as empty. So how can i create nullable Gender in C#Either[详细]

2023-02-21 00:34 分类：问答
Entity Framework Nullable Types not included in the CreateXXX Method

I\'m using Entity Framework 4.0.I have tables with many nullable types. For a table XYZ the Entity Framework creates an object with an insert method named CreateXYZ, but this method only includes the[详细]

2023-02-16 08:01 分类：问答
Is there any difference between myNullableLong.HasValue and myNullableLong != null?

When I have a nullable long, for example, is there any difference between myNullableLong.HasValue and[详细]

2023-02-16 00:38 分类：问答
Saving a null date to SQL2008 via. SubSonic 2.x

Ok, So I am trying to set a datetime column to null via SubS开发者_高级运维onic 2.x DateTime? dt = new DateTime();[详细]

2023-02-15 23:09 分类：问答