by: Sakoulakis |
last post by:
Hi,
I was just reading about nullable types and I like that feature very much.
What dissapointed me is that nullable string is not supported.
Imagine a field (of type sting) in a database...
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by: Tim Anderson |
last post by:
I have an app that uses the SOAP serializer to serialize and deserialize a
object of a certain class to a file. The class implements ISerializable.
From time to time it is necessary to add or...
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by: Steven Livingstone |
last post by:
I've just blogged some stuff on Nullable types in net 2.0.
http://stevenr2.blogspot.com/2006/01/nullable-types-and-null-coalescing.html
Question however as to why you can't simply get an implcit...
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by: Steven Livingstone |
last post by:
Bit of advice here folks.
I am creating a default constructor that just initializes a new instance of
my object and a secon constructor that takes an ID and loads an object with
data from the...
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by: Larry Lard |
last post by:
There seems to be something a bit lacking in the way the dataset
designer thing deals (or rather doesn't) with nullable fields in
VS2005. Maybe it's cos I'm using VB2005 Express (which is variously...
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by: Mike P |
last post by:
What are nullable types used for? The only use I can think of is where
I have a method like this where some values being passed to it may be
null :
public int AddUser(int? UserRegion, string...
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by: MobileBoy36 |
last post by:
Hi all,
Nullable types were announced as new handy stuff in .NET 2.0
But it seems like the datareader doesn't support nullable types.
You have still to check for "IsDbNull".
So, are Nullable...
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by: Tony Johansson |
last post by:
Hello!
I'm reading in a book called Visual C# 2005. In the chapter about Generics
there ia a section about Nullable types.
Here is the text that isn't complete true I think. It says:
"You...
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by: Tony Johansson |
last post by:
Hello!
Is it possible to declare existing .net generics to have nullable types(for
example type int? ) ?
If the answer on the previous question is yes then I assume that you can
also define...
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by: Tony Johansson |
last post by:
Hello!
Jon skeet answer this question in a previous mail for several days ago if
nullable type is a reference or a value type?
With the following answer.
It's a struct - otherwise there'd be...
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by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 3 Apr 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome former...
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by: ryjfgjl |
last post by:
In our work, we often need to import Excel data into databases (such as MySQL, SQL Server, Oracle) for data analysis and processing. Usually, we use database tools like Navicat or the Excel import...
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by: taylorcarr |
last post by:
A Canon printer is a smart device known for being advanced, efficient, and reliable. It is designed for home, office, and hybrid workspace use and can also be used for a variety of purposes. However,...
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by: aa123db |
last post by:
Variable and constants
Use var or let for variables and const fror constants.
Var foo ='bar';
Let foo ='bar';const baz ='bar';
Functions
function $name$ ($parameters$) {
}
...
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by: ryjfgjl |
last post by:
If we have dozens or hundreds of excel to import into the database, if we use the excel import function provided by database editors such as navicat, it will be extremely tedious and time-consuming...
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by: ryjfgjl |
last post by:
In our work, we often receive Excel tables with data in the same format. If we want to analyze these data, it can be difficult to analyze them because the data is spread across multiple Excel files...
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by: nemocccc |
last post by:
hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?
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by: Sonnysonu |
last post by:
This is the data of csv file
1 2 3
1 2 3
1 2 3
1 2 3
2 3
2 3
3
the lengths should be different i have to store the data by column-wise with in the specific length.
suppose the i have to...
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by: Hystou |
last post by:
There are some requirements for setting up RAID:
1. The motherboard and BIOS support RAID configuration.
2. The motherboard has 2 or more available SATA protocol SSD/HDD slots (including MSATA, M.2...
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