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You can create your own conversion function: static long ToLong(string lNumber) { if (string.IsNullOrEmpty(lNumber)) throw new Exception("Not a number!"); char[] chars = lNumber.ToCharArray(); long result = 0; bool isNegative = lNumber[0] == '-'; if (isNegative && lNumber.Length == 1) throw new Exception("- Is not a number!"); for (int i ...
12 cze 2024 · To convert a string to a long in C#, we can use the long.Parse() method or the long.TryParse() method as shown in the below program, Console.WriteLine($"Using long.Parse(): {number}"); } catch (FormatException) {. Console.WriteLine("Invalid format for conversion."); } catch (OverflowException) {.
26 lut 2010 · int myInt = System.Convert.ToInt32(myString); As several others have mentioned, you can also use int.Parse() and int.TryParse(). If you're certain that the string will always be an int: int myInt = int.Parse(myString); If you'd like to check whether string is really an int first: int myInt;
22 cze 2020 · To convert a string to a long, use the Long.parse method in C# −. Firstly, set a string −. string str = "6987646475767"; Now, convert it to long −. long.Parse(str); Here is the complete code −.
In C#, you can convert a string representation of a numeric value to a long data type using the long.Parse method or the long.TryParse method. Using long.Parse : long.Parse is used to convert a string to a long value.
The process of converting the value of one data type (int, float, double, etc.) to another data type is known as type conversion. In this tutorial, we will learn about C# type conversion with the help of examples.
In C#/.NET string can be parsed to long in few ways. 1. long.Parse example. string text = "123"; long value = long.Parse (text); Console.WriteLine (value); Output: 123. 2. long.TryParse example. string text = "123"; long value; if (long.TryParse (text, out value)) Console.WriteLine (value); Output: 123. 3. Convert.ToInt64 example.
