WebAug 6, 2024 · public static string DoFormat ( double myNumber ) { var s = string.Format (" {0:0.00}", myNumber); if ( s.EndsWith ("00") ) { return ( (int)myNumber).ToString (); } else { return s; } } Not elegant but working for me in similar situations in some projects. Share Improve this answer edited Aug 8, 2014 at 10:38 answered Aug 5, 2011 at 4:16 WebHere's a good example: int number = 1; //D4 = pad with 0000 string outputValue = String.Format (" {0:D4}", number); Console.WriteLine (outputValue);//Prints 0001 //OR outputValue = number.ToString ().PadLeft (4, '0'); Console.WriteLine (outputValue);//Prints 0001 as well Share Improve this answer Follow edited Mar 25, 2014 at 17:26
How to reverse a number as an integer and not as a string?
WebJan 26, 2024 · int integerNumber; integerNumber = 17843; Console.WriteLine (integerNumber.ToString ("F", CultureInfo.InvariantCulture)); // Displays 17843.00 integerNumber = -29541; Console.WriteLine (integerNumber.ToString ("F3", CultureInfo.InvariantCulture)); // Displays -29541.000 double doubleNumber; … WebAug 12, 2016 · if you want the result as a string, just parse it and format it to one decimal places: string strTemp = 12; double temp = Double.Parse (strTemp, CultureInfo.InvariantCulture); string result = temp.ToString ("N1", CultureInfo.InvariantCulture); Round off to 2 decimal places eg. 27.658 => 27.66 iplumb gold coast
C# checking if string is numeric code example
WebDec 14, 2016 · The method you are searching for is ToString, which allows a format-provider as an argument. The simplest way is another string which defines the format. int i = 2000; Console.WriteLine (i.ToString ("#,##0.00")); Console.ReadLine (); This will do what you want to do. Read more about format-providers in the docs of the ToString method. … WebJun 18, 2009 · int a = 1039; int b = 7056; int newNumber = int.Parse (a.ToString () + b.ToString ()) Or, if you want it to be a little more ".NET-ish": int newNumber = Convert.ToInt32 (string.Format (" {0} {1}", a, b)); int.Parse is not an expensive operation. Spend your time worrying about network I/O and O^N regexes. Webint[] array = digits.Select(x => x - 48).ToArray(); Как просил @Haldo объяснение о том, почему должно работать это одно, это потому, что char неявно кастим к int. Live Demo iplum web