c why can t a nullable int be assigned null as a value

Question

Explain why a nullable int can t be assigned the value of null e g  int  accom    accomStr     noval    null    Convert ToInt32 accomStr      What s wrong with that code

User · Answer

What Harry S says is exactly right  but   int  accom    accomStr     noval    null    int  Convert ToInt32 accomStr      would also do the trick    We Resharper users can always spot each other in crowds

User · Answer

Another option is to use  int  accom    accomStr     noval    Convert DBNull   Convert ToInt32 accomStr      I like this one most

User · Answer

The problem isn t that null cannot be assigned to an int   The problem is that both values returned by the ternary operator must be the same type  or one must be implicitly convertible to the other  In this case  null cannot be implicitly converted to int nor vice-versus  so an explict cast is necessary  Try this instead   int  accom    accomStr     noval     int  null   Convert ToInt32 accomStr

User · Answer

Similarly I did for long   myLongVariable     string IsNullOrEmpty cbLong SelectedItem Value     Convert ToInt64 cbLong SelectedItem Value     long  null

User · Answer

What Harry S says is exactly right  but   int  accom    accomStr     noval    null    int  Convert ToInt32 accomStr      would also do the trick    We Resharper users can always spot each other in crowds

User · Answer

The problem isn t that null cannot be assigned to an int   The problem is that both values returned by the ternary operator must be the same type  or one must be implicitly convertible to the other  In this case  null cannot be implicitly converted to int nor vice-versus  so an explict cast is necessary  Try this instead   int  accom    accomStr     noval     int  null   Convert ToInt32 accomStr

User · Answer

What Harry S says is exactly right  but   int  accom    accomStr     noval    null    int  Convert ToInt32 accomStr      would also do the trick    We Resharper users can always spot each other in crowds

User · Answer

Another option is to use  int  accom    accomStr     noval    Convert DBNull   Convert ToInt32 accomStr      I like this one most

User · Answer

The problem isn t that null cannot be assigned to an int   The problem is that both values returned by the ternary operator must be the same type  or one must be implicitly convertible to the other  In this case  null cannot be implicitly converted to int nor vice-versus  so an explict cast is necessary  Try this instead   int  accom    accomStr     noval     int  null   Convert ToInt32 accomStr

User · Answer

The problem isn t that null cannot be assigned to an int   The problem is that both values returned by the ternary operator must be the same type  or one must be implicitly convertible to the other  In this case  null cannot be implicitly converted to int nor vice-versus  so an explict cast is necessary  Try this instead   int  accom    accomStr     noval     int  null   Convert ToInt32 accomStr

User · Answer

Similarly I did for long   myLongVariable     string IsNullOrEmpty cbLong SelectedItem Value     Convert ToInt64 cbLong SelectedItem Value     long  null

User · Answer

What Harry S says is exactly right  but   int  accom    accomStr     noval    null    int  Convert ToInt32 accomStr      would also do the trick    We Resharper users can always spot each other in crowds

[c#] c# why can't a nullable int be assigned null as a value

Examples related to c#

Examples related to nullable