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Maintaining source string format when reading a date-time from a JSON path and writing it to another file

How can I have Newtonsoft.Json read the value of a path without converting or otherwise meddling with values?
This code
jsonObject.SelectToken("path.to.nested.value").ToString()
Returns this string
03/07/2019 00:02:12
From this string in the JSON document
2019-07-03T00:02:12.1542739Z
It's lost its original formatting, ISO 8601 in this case.
I would like all values to come through as strings, verbatim. I'm writing code to reshape JSON into other formats and I don't want to effect the values as they pass through my .NET code.
What do I need to change? I am not wedded to Newtonsoft.Json btw.

I got it, I think.
jsonObject.SelectToken(path).ToString(Newtonsoft.Json.Formatting.None);
The other options were to supply nothing or this.
Newtonsoft.Json.Formatting.Indented
Which is strange logic in this API as you'd think None means not indented but it means not ... I don't know. Hang on....
Okay so None or Indented returns
"2019-07-03T00:02:12.1542739Z"
(including quotes) but using the overload taking no parameters returns
03/07/2019 00:02:12
That's an odd API design ¯\_(ツ)_/¯
Here's a screenshot which shows really simple repro code.

Finding specific parts of strings containing certain letters/symbols and then creating a reference to those parts

Currently I am storing data in form of jsons (strings) on a database. As jsons contain quotation marks though and the database I am using is unable to store quotation marks in this form: " it converts all quotation marks (like this one :") to "
Unity will therefor not allow me to deserialize the json anymore as it now looks somewhat like this:
{"coins":0,"level":0,"kills":0,"deaths":0,"xp":0.0}
instead of like this:
{"coins":0,"level":0,"kills":0,"deaths":0,"xp":0.0}
Obviously a possible solution to this would be to find all the parts of my json string containing ", storing a reference to these parts and then converting all of those parts to a simple "
Therefore I would ask you how I would go about doing this.

You can use String.replace(""","\"") and than String.split, but maybe you need to think about moving to a database that supports JSONs, like mongodb. Other direction to solve this: have you tried placing the " as \"?

The Database is doing a good job by encoding the text for you thereby preventing Hacks!! It is simply doing text encoding for you.
All you have to do is Decode the text before using it. If there are chances that double quote is part of the data then you should be careful while reverse converting the encoded text. Refer to this MSDN resource Anti-Cross Site Scripting Library to get better insight into topic

How to escape special characters while doing XML Serialization

One of my element in an xml has a value like
<item name="abc_def>" />
The actual value pulled from the data source is "abc_def!!>". I have no control over this data source and this cannot be changed.
I wanted to know how do I escape these characters when xml serialization is taking place. I have tried a couple of things, but they didnt work.
I tried all methods explained here
What is the correct way to escape these characters ? The end output is an api which our clients hit using their browsers and because of this issue, the xml parsing in browser is breaking.

If all of your strings look like that one, you can do something like this:
string input = "abc_def>";
input = input.Replace("", "!!");
string output = HttpUtility.HtmlDecode(input);

You need to use:
System.Net.WebUtility.HtmlEncode(stringToEncode);
Of course when you later decode that you use:
System.Net.WebUtility.HtmlDecode(stringToDecode);
This is for UWP, namespace may vary depending on what framework you use.

String.Format not taking 4th object

Here is my prob, I wanted String.Format() function should take 4 objects and format string. But it throws "Input string not in a correct format error".
Here is my code,
string jsonData = string.Format("{{\"sectionTitle\":\"{0}\",\"strPushMsg\":\"{1}\",\"Language\":\"{2}\",}\",\"articleid\":\"{3}\"}}", urlsectiontitle, formatHeadline, Language, articleid);

\"{2}\",}\"
Looks like you need to escape that closing brace by doubling it:
string.Format("{{\"sectionTitle\":\"{0}\",\"strPushMsg\":\"{1}\",\"Language\":\"{2}\",}}\",\"articleid\":\"{3}\"}}", urlsectiontitle, formatHeadline, Language, articleid);
It appears you are creating JSON. This can use single quotes (which would avoid all the escaping), but even better use a tool like JSON.Net designed to create JSON. While your (partial) structure here is quite small (the unmatched } shows this is only partial), and the JSON gets bigger it is much easier to use a tool to get it right.

url encoding c# mismatch encoding

I have a large url that I am encoding using System.Web.HttpUtility.UrlEncode. When I encode it its not encoding it like the working example I have. I am not sure what the problem is, maybe different character type or something, I put an example of what suppose to be created and what actually being created. thanks for any help, i am lost on this one.
Working exmaple (look how this one has Did%252Citag%252 and the other doesnt)
22%7Chttp%3A%2F%2Fv17.nonxt1.googlevideo.com%2Fvideoplayback%3Fid%3D0b608733ae5257c3%26itag%3D22%26source%3Dpicasa%26ip%3D0.0.0.0%26ipbits%3D0%26expire%3D1333533157%26sparams%3Did%252Citag%252Csource%252Cip%252Cipbits%252Cexpire%26signature%3D8AD67D74F34FBAFBBA87616C0AED4A336DF0982A.129E2B5E648F8A2F35A34F312AC5C3C957A1C40A%26key%3Dlh1%2C35%7Chttp%3A%2F%2Fv18.nonxt3.googlevideo.com%2Fvideoplayback%3Fid%3D0b608733ae5257c3%26itag%3D35%26source%3Dpicasa%26ip%3D0.0.0.0%26ipbits%3D0%26expire%3D1333533157%26sparams%3Did%252Citag%252Csource%252Cip%252Cipbits%252Cexpire%26signature%3D7A58A11994C710872E945D0EAA6E43B6BFB8A648.B9C1D9FB377E1A49EBF3DC6C166C0B6E3E94EC24%26key%3Dlh1%2C34%7Chttp%3A%2F%2Fv6.nonxt1.googlevideo.com%2Fvideoplayback%3Fid%3D0b608733ae5257c3%26itag%3D34%26source%3Dpicasa%26ip%3D0.0.0.0%26ipbits%3D0%26expire%3D1333533157%26sparams%3Did%252Citag%252Csource%252Cip%252Cipbits%252Cexpire%26signature%3D260B10850A3448C849B8B8F1F2AF5E31244E71BC.6D7420FD66B85D40982BFB2C847EDB46021C63AE%26key%3Dlh1%2C5%7Chttp%3A%2F%2Fv23.nonxt7.googlevideo.com%2Fvideoplayback%3Fid%3D0b608733ae5257c3%26itag%3D5%26source%3Dpicasa%26ip%3D0.0.0.0%26ipbits%3D0%26expire%3D1333533157%26sparams%3Did%252Citag%252Csource%252Cip%252Cipbits%252Cexpire%26signature%3D9894DCDA7D2634EE0006CE0F6E0E29ABF7A8F253.18765D7CD7BDE80ED1A47DC8EC559C3E05C92F56%26key%3Dlh1
Here is an example of the one I am creating (see this one encodes as did%2citag%2)
5%7chttp%3a%2f%2fv23.nonxt7.googlevideo.com%2fvideoplayback%3fid%3d0b608733ae5257c3%26itag%3d5%26source%3dpicasa%26ip%3d0.0.0.0%26ipbits%3d0%26expire%3d1333562840%26sparams%3did%2citag%2csource%2cip%2cipbits%2cexpire%26signature%3dC0E2993011931D9F5FCAFAF54E821415F6042DDD.477CD23B021563A6DE30E858E35C21046E0B0BA6%26key%3dlh1%2c18%7chttp%3a%2f%2fv11.nonxt4.googlevideo.com%2fvideoplayback%3fid%3d0b608733ae5257c3%26itag%3d18%26source%3dpicasa%26ip%3d0.0.0.0%26ipbits%3d0%26expire%3d1333562840%26sparams%3did%2citag%2csource%2cip%2cipbits%2cexpire%26signature%3d696501A8ACBA0E1246173B040E0FB81DA8EBCDC7.944BA6C08C630EFFC2456D66BAD12376D7E377B2%26key%3dlh1%2c34%7chttp%3a%2f%2fv6.nonxt1.googlevideo.com%2fvideoplayback%3fid%3d0b608733ae5257c3%26itag%3d34%26source%3dpicasa%26ip%3d0.0.0.0%26ipbits%3d0%26expire%3d1333562840%26sparams%3did%2citag%2csource%2cip%2cipbits%2cexpire%26signature%3dDDD3D9081F7F2FF462D17CFAE6CAB72AEB86DEA9.3275E0EE8921EF728132035FC94BEF5926A0B7C1%26key%3dlh1%2c35%7chttp%3a%2f%2fv18.nonxt3.googlevideo.com%2fvideoplayback%3fid%3d0b608733ae5257c3%26itag%3d35%26source%3dpicasa%26ip%3d0.0.0.0%26ipbits%3d0%26expire%3d1333562840%26sparams%3did%2citag%2csource%2cip%2cipbits%2cexpire%26signature%3d7826E7470450F9F473BC7A845967EF3AC655CFB.3850F952F5D68151D325CD754C581CD66B0BC4D7%26key%3dlh1%2c22%7chttp%3a%2f%2fv17.nonxt1.googlevideo.com%2fvideoplayback%3fid%3d0b608733ae5257c3%26itag%3d22%26source%3dpicasa%26ip%3d0.0.0.0%26ipbits%3d0%26expire%3d1333562840%26sparams%3did%2citag%2csource%2cip%2cipbits%2cexpire%26signature%3d32FAAE6AE74B22BFB3DBD4300CEEDBC1A12A9ED4.8014678ABB1AEE93FB4B1C36E2C74C89102DC112%26key%3dlh1

Looks like in the first example the URL is double encoded. Meaning if you look at decoded sparams parameter it is represented as
sparams=id%2Citag%2Csource%2Cip%2Cipbits%2Cexpire
In your second example
sparams=id,itag,source,ip,ipbits,expire
So, what is happening in the first example is that, they are doing a UrlEncode on the value first. Using this value Construct the URL and then do UrlEncode on the constructed URL.
UPDATE : This is a general practice to be followed if the value of your querystring contains values which needs to be UrlEncoded (eg. , & space ? etc)

According to w3c standards, your example is fine. There is no %252 symbol.

I'm not sure exactly what you are expecting, but when you fire these strings into a URL Decoder, this is what you get:
String 1
22|http://v17.nonxt1.googlevideo.com/videoplayback?id=0b608733ae5257c3&itag=22&source=picasa&ip=0.0.0.0&ipbits=0&expire=1333533157&sparams=id%2Citag%2Csource%2Cip%2Cipbits%2Cexpire&signature=8AD67D74F34FBAFBBA87616C0AED4A336DF0982A.129E2B5E648F8A2F35A34F312AC5C3C957A1C40A&key=lh1,35|http://v18.nonxt3.googlevideo.com/videoplayback?id=0b608733ae5257c3&itag=35&source=picasa&ip=0.0.0.0&ipbits=0&expire=1333533157&sparams=id%2Citag%2Csource%2Cip%2Cipbits%2Cexpire&signature=7A58A11994C710872E945D0EAA6E43B6BFB8A648.B9C1D9FB377E1A49EBF3DC6C166C0B6E3E94EC24&key=lh1,34|http://v6.nonxt1.googlevideo.com/videoplayback?id=0b608733ae5257c3&itag=34&source=picasa&ip=0.0.0.0&ipbits=0&expire=1333533157&sparams=id%2Citag%2Csource%2Cip%2Cipbits%2Cexpire&signature=260B10850A3448C849B8B8F1F2AF5E31244E71BC.6D7420FD66B85D40982BFB2C847EDB46021C63AE&key=lh1,5|http://v23.nonxt7.googlevideo.com/videoplayback?id=0b608733ae5257c3&itag=5&source=picasa&ip=0.0.0.0&ipbits=0&expire=1333533157&sparams=id%2Citag%2Csource%2Cip%2Cipbits%2Cexpire&signature=9894DCDA7D2634EE0006CE0F6E0E29ABF7A8F253.18765D7CD7BDE80ED1A47DC8EC559C3E05C92F56&key=lh1
String 2
5|http://v23.nonxt7.googlevideo.com/videoplayback?id=0b608733ae5257c3&itag=5&source=picasa&ip=0.0.0.0&ipbits=0&expire=1333562840&sparams=id,itag,source,ip,ipbits,expire&signature=C0E2993011931D9F5FCAFAF54E821415F6042DDD.477CD23B021563A6DE30E858E35C21046E0B0BA6&key=lh1,18|http://v11.nonxt4.googlevideo.com/videoplayback?id=0b608733ae5257c3&itag=18&source=picasa&ip=0.0.0.0&ipbits=0&expire=1333562840&sparams=id,itag,source,ip,ipbits,expire&signature=696501A8ACBA0E1246173B040E0FB81DA8EBCDC7.944BA6C08C630EFFC2456D66BAD12376D7E377B2&key=lh1,34|http://v6.nonxt1.googlevideo.com/videoplayback?id=0b608733ae5257c3&itag=34&source=picasa&ip=0.0.0.0&ipbits=0&expire=1333562840&sparams=id,itag,source,ip,ipbits,expire&signature=DDD3D9081F7F2FF462D17CFAE6CAB72AEB86DEA9.3275E0EE8921EF728132035FC94BEF5926A0B7C1&key=lh1,35|http://v18.nonxt3.googlevideo.com/videoplayback?id=0b608733ae5257c3&itag=35&source=picasa&ip=0.0.0.0&ipbits=0&expire=1333562840&sparams=id,itag,source,ip,ipbits,expire&signature=7826E7470450F9F473BC7A845967EF3AC655CFB.3850F952F5D68151D325CD754C581CD66B0BC4D7&key=lh1,22|http://v17.nonxt1.googlevideo.com/videoplayback?id=0b608733ae5257c3&itag=22&source=picasa&ip=0.0.0.0&ipbits=0&expire=1333562840&sparams=id,itag,source,ip,ipbits,expire&signature=32FAAE6AE74B22BFB3DBD4300CEEDBC1A12A9ED4.8014678ABB1AEE93FB4B1C36E2C74C89102DC112&key=lh1
You URLS are quite different, and they also have a leading chars that I'm not sure you are wanting.