
c# - try/catch + using, right syntax - Stack Overflow
In other word, if you know that the initialization of a variable in using may throw a particular exception, I wrap it with try-catch. Similarly, if within using body something may happen, which …
What's the problem with "using namespace std;"?
The problem with putting using namespace in the header files of your classes is that it forces anyone who wants to use your classes (by including your header files) to also be 'using' (i.e. …
Why use a using statement with a SqlTransaction?
During my Googling I see many people using a using statement with a SqlTransaction. What is the benefit and/or difference of using this type of statement with a SqlTransaction?
MySQL JOIN ON vs USING? - Stack Overflow
Feb 19, 2021 · Extremely good point. Of all the advantages using provides, it can't be combined with other predicates: select*from t join t2 using(i) and on 1 wouldnt work.
c# - in a "using" block is a SqlConnection closed on return or ...
Yes Yes. Either way, when the using block is exited (either by successful completion or by error) it is closed. Although I think it would be better to organize like this because it's a lot easier to see …
grammar - 'I was using', 'I have used', 'I have been using', 'I had ...
Oct 21, 2010 · I had been using cocaine. Meaning, with a reference point in the past, starting a time before then up to the reference point, I was habitually using cocaine up to and including …
How do I use the C#6 "Using static" feature? - Stack Overflow
Aug 6, 2015 · I'm having a look at a couple of the new features in C# 6, specifically, "using static". using static is a new kind of using clause that lets you import static members of types directly …
How does the "Using" statement translate from C# to VB?
May 20, 2009 · Using has virtually the same syntax in VB as C#, assuming you're using .NET 2.0 or later (which implies the VB.NET v8 compiler or later). Basically, just remove the braces and …
How do I UPDATE from a SELECT in SQL Server? - Stack Overflow
Feb 25, 2010 · Although the question is very interesting, I have seen in many forum sites and made a solution using INNER JOIN with screenshots. At first, I have created a table named …
What is the use of "using namespace std"? [duplicate]
Sep 20, 2013 · What is the use of using namespace std? I'd like to see explanation in Layman terms.