Vb.net integer null

When used on values, "Nothing" indicates the default value for the type. So an Integer assigned to Nothing is zero. Tip Structures are too a value type. When we assign them to Nothing, we get an empty Structure with no bits set to 1. A string in VB. NET can be assigned to Nothing, which is the same concept as Null. We can test a Nothing String with the String. IsNullOrEmpty method. Tip The term "null" is simply a different name for "Nothing. NET program that uses String. Null versus nothing.

Nothing is not just like null in C. Instead, it has a special behavior when used with value types—it acts like the default. Note Thanks to Matthieu Penant for pointing out that Nothing has a separate meaning on value types.

Is, IsNot. References can be compared with the "Is" and "IsNot" operators. In VB. Value types cannot be equal to null. For those cases, you simply access. Read all about Nullable here. My application uses a lot of labels that start out blank Text property , but need to be incremented as integers, so I made this handy function:. Stack Overflow for Teams — Collaborate and share knowledge with a private group.

Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 11 years, 4 months ago. Active 4 years, 8 months ago. Viewed 44k times. Parse udDefaultLocationTextEdit. Improve this question. Daniel DiPaolo Add a comment. Active Oldest Votes. Asked 6 years, 3 months ago. Active 6 years, 3 months ago. Viewed 2k times. Text DR. Text the two of that is integer value, that when i'm save to data base the error comes and said The Nullable Object Must Have Value I must add "0", but I want the data is still null.

Do anyone know how to do that? Improve this question. Matt Wilko What is DR. IN and DR. Where is the error raised? Text else nothing. But make sure DR. OUT are nullable ints. Something like Dim DR. AmitKumarGhosh uumm.. I'm not sure I understand that, sorry — JTR. Matt has come up with what I meant. Show 1 more comment. Active Oldest Votes.