How to change symbol for decimal point in double ToString

Question

I would like to change decimal point to another character in C   I have a double variable value  double value    and when I use the command   Console WriteLine value ToString        output is 1 25   I know I can do this   Console WriteLine value ToString      CultureInfo CreateSpecificCulture  en-GB         output is 1 25   but I don t like it very much because it s very long and I need it quite often in my program   Is there a shorter version for setting  decimal point  really as point and not comma as is in my culture is usual

User · Answer

Convert ToString value  CultureInfo InvariantCulture

User · Answer

You can change the decimal separator by changing the culture used to display the number  Beware however that this will change everything else about the number  eg  grouping separator  grouping sizes  number of decimal places   From your question  it looks like you are defaulting to a culture that uses a comma as a decimal separator   To change just the decimal separator without changing the culture  you can modify the NumberDecimalSeparator property of the current culture s NumberFormatInfo   Thread CurrentCulture NumberFormat NumberDecimalSeparator          This will modify the current culture of the thread  All output will now be altered  meaning that you can just use value ToString   to output the format you want  without worrying about changing the culture each time you output a number    Note that a neutral culture cannot have its decimal separator changed

User · Answer

Some shortcut is to create a NumberFormatInfo class  set its NumberDecimalSeparator property to     and use the class as parameter to ToString   method whenever u need it   using System Globalization   NumberFormatInfo nfi   new NumberFormatInfo    nfi NumberDecimalSeparator         value ToString nfi

User · Answer

Create an extension method   Console WriteLine value ToGBString              public static class DoubleExtensions       public static string ToGBString this double value                return value ToString CultureInfo GetCultureInfo  en-GB

User · Answer

Perhaps I m misunderstanding the intent of your question  so correct me if I m wrong  but can t you apply the culture settings globally once  and then not worry about customizing every write statement   Thread CurrentThread CurrentCulture   CultureInfo CreateSpecificCulture  en-GB

User · Answer

If you have an Asp Net web application  you can also set it in the web config so that it is the same throughout the whole web application   lt system web gt               lt globalization          requestEncoding  utf-8           responseEncoding  utf-8           culture  en-GB           uiCulture  en-GB           enableClientBasedCulture  false   gt           lt  system web gt

[c#] How to change symbol for decimal point in double.ToString()?

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