New line in constant error from c# [closed] - c#

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This line occur new line in constant error..how can i fix this?
Locations += Environment.NewLine + " map.addOverlay(new GMarker(new GLatLng(" + Latitude + "," + Longitude + ")));";


You can not use "\" string directly in C# code, it produces "new line in constant" error. One of your variables is equal to "\", I can not directly say since the code section you have provided does not include the related initialization code.
instead of using "\", just escape the slash character using "\\".

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Remove characters before character "\" [closed]

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How effectively remove all character in string that placed before character "\"?
Input: C:\Users\vadym\OneDrive\Робочий стіл\sharp-kn3-lab2-2022-autoteam\AutoOA\AutoOA.UI\wwwroot\Images\room.png
Output: \Images\room.png

One way to do this without having to perform manual manipulation of the path is by relying on Directory and Path classes.
Note that this doesn't include some error conditions and corner cases that you might want to double check for:
var input = #"C:\Users\vadym\OneDrive\Робочий стіл\sharp-kn3-lab2-2022-autoteam\AutoOA\AutoOA.UI\wwwroot\Images\room.png";
var parentDirectory = Directory.GetParent(input).Parent.FullName;
var relativePath = Path.GetRelativePath(parentDirectory, input);
Console.WriteLine($"Input: {input}");
Console.WriteLine($"Directory: {parentDirectory}");
Console.WriteLine($"Relative path: {relativePath}");

I press Ctrl + Alt + C then throw Error: Illegal character in path Illegal character in path [closed]

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1. I want to add new class then click on class.
2. then show Error:Illegal character in path
3. please help me.

Class file name might have illegal characters like single quote, double quote, tilt etc. Because of that you are seeing that error. Avoid special characters and symbols.
Try to use Alpha & numeric characters as class names or file names while adding using visual studio.

Mutiline a random string [closed]

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I am a novice in this programming language so now I have a few problems. I have a bill where I need it to find the "/" character and then the string must be automatically carriage return
For example, I have the following string of characters:
BL4444 / BL5555 / BL6666
I need it to be:
BL4444 /
BL5555 /
BL6666

Replace / (slash and space) with / and new line:
String.Replace and Environment.NewLine:
var str = "BL4444 / BL5555 / BL6666";
str = str.Replace("/ ", "/" + Environment.NewLine);

Is it possible to quote string with user input? c# [closed]

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May I know if it's possible for me to do something like this?
string userInput = Console.ReadLine();
string strNewValue = "{ \"name\" : '" + userInput + "'}";
if yes, how can I do it?

I think you wanted this?
string strNewValue = "{ \"name\" : \"" + userInput + "\"}";

Yes, that will certainly work.
seems like you are trying to convert the user input into a json object. you don't need to hardcode the string as like json object. use JsonSerializer instead. Have a look at it http://msdn.microsoft.com/en-us/library/cc197957(v=vs.95).aspx

Simple solution for #"\b \b" [closed]

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I am trying read one string from TextBox and use in my script.
Suppose this TextBox name is: txt3.
I want read this value and use in below lines:
string s = Regex.Replace(str,
#"\btxt3.Text\b",
txt4.Text,
RegexOptions.IgnoreCase);
How I can write this #"\btxt3.Text\b" ?
I want write that as :
string str==#"\btxt3.Text\b";

You want something like:
String.Format(#"\b{0}\b", txt3.Text)

Try this
string s = Regex.Replace(str, string.Format(#"\b{0}\b",txt3.Text), txt4.Text, RegexOptions.IgnoreCase);

If you want to combine value of txt3 with other strings, one way to do it is write
"\\b" + txt3.Text + "\\b"
instead of
#"\btxt3.Text\b"

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