Linked Questions
18 questions linked to/from Why use String.Format?
185
votes
32
answers
103k
views
String output: format or concat in C#?
Let's say that you want to output or concat strings. Which of the following styles do you prefer?
var p = new { FirstName = "Bill", LastName = "Gates" };
Console.WriteLine("{0} {1}", p.FirstName, p....
4
votes
3
answers
33k
views
In C# how do you use placeholders in Console.WriteLine()? [duplicate]
Am I using the {0} and {1} correctly in the code below for the name variable and age variable? What are the {0} and {1} called, are they formally called "placeholders"? Is it more preferable to use ...
- 416
0
votes
3
answers
218
views
Why string.format? [duplicate]
Why shouldn't we simply use
string s=product.Name+" has been saved";
instead of:
string s=string.Format("{0} has been saved", product.Name);
- 1,283
0
votes
0
answers
564
views
Why would I use string interpolation in c#, since it's performes not as good as adding strings or variables? [duplicate]
So yesterday I saw this tutorial on c# and I learned about string interpolation. I've always programmed in java and just used the + to add strings.
Now I'm trying to find out why you would use ...
- 786
360
votes
18
answers
296k
views
Most efficient way to concatenate strings?
What's the most efficient way to concatenate strings?
- 3,651
101
votes
5
answers
93k
views
String.Join vs. StringBuilder: which is faster?
In a previous question about formatting a double[][] to CSV format, it was suggested that using StringBuilder would be faster than String.Join. Is this true?
- 42.6k
30
votes
12
answers
64k
views
c# string formatting
I m curious why would i use string formatting while i can use concatenation such as
Console.WriteLine("Hello {0} !", name);
Console.WriteLine("Hello "+ name + " !");
Why to prefer the first one over ...
- 55.6k
20
votes
8
answers
26k
views
Replace multiple words in string
I have multiple words I want to replace with values, whats the best way to do this?
Example:
This is what I have done but it feels and looks so wrong
string s ="Dear <Name>, your booking is ...
- 1,455
10
votes
5
answers
534
views
What is the difference between {0} and +?
Is there any difference between the use of {0} and + as they both are doing the same work of printing the length on the screen:
Console.WriteLine("Length={0}", length);
Console.WriteLine("Length=" +...
- 123
15
votes
6
answers
5k
views
Performance issue: comparing to String.Format
A while back a post by Jon Skeet planted the idea in my head of building a CompiledFormatter class, for using in a loop instead of String.Format() and similar.
The idea is the portion of a call to ...
2
votes
5
answers
364
views
Why use {} for printing out instead of the plus sign?
I am coding in Unity3D in C#, and when printing or using debug statements or console statements, I have always used something like this:
Debug.Log("The sum of these two variables is :" + ...
- 49
1
vote
5
answers
308
views
Formatting the output of a String
I am new to C#. I am studying it in a module in college. We have been given an assignment which involves us having to create a simple booking application using the various components included in the ...
- 5,778
0
votes
3
answers
182
views
Writing max array value to console window
I am sure there is something stupid i am missing. I want to print the message
to console window and in the same line show the max array value.
When i run the code without the console message it runs ...
1
vote
7
answers
215
views
what is different between these to ways in writeline()? [duplicate]
Possible Duplicate:
C# String output: format or concat?
Console.WriteLine("Hi there, {0} {1}!", userName, userSurname);
Console.WriteLine("Hi there, " + userName + " " + userSurname + "!" );
i ...
- 4,014
0
votes
2
answers
1k
views
Use a while loop to insert into table
I'm trying to use a while loop to insert into a table from a List. I want to loop through and write each item from the list by it's index. I'm getting an error with the values I'm trying to insert.
"...
- 341