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Articles on Trending Technologies
Technical articles with clear explanations and examples
What are file operations in C#?
File operations in C# allow you to work with files and directories on the file system. These operations include creating, opening, reading, writing, appending, and deleting files. The System.IO namespace provides comprehensive classes and methods for file handling. The FileStream class is the primary class for file operations in C#. It provides low-level access to files and derives from the abstract Stream class. This class enables reading from, writing to, and closing files efficiently. Syntax To create a FileStream object, use the following syntax − FileStream fileStream = new FileStream(fileName, FileMode, FileAccess, FileShare); ...
Read MoreTimeSpan.From methods in C# ()
The TimeSpan.From methods in C# provide a convenient way to create TimeSpan objects from specific time units. These static methods include FromDays, FromHours, FromMinutes, FromSeconds, FromMilliseconds, and FromTicks. Each method takes a numeric value and returns a TimeSpan representing that duration in the specified unit. This approach is more readable than manually calculating ticks or using TimeSpan constructors. Syntax Following are the syntax formats for the most commonly used TimeSpan.From methods − TimeSpan.FromDays(double value) TimeSpan.FromHours(double value) TimeSpan.FromMinutes(double value) TimeSpan.FromSeconds(double value) TimeSpan.FromMilliseconds(double value) TimeSpan.FromTicks(long value) Parameters All TimeSpan.From methods (except FromTicks) accept a ...
Read MoreWhat are Booleans types in C#?
The bool type in C# represents Boolean values and can store only two possible values: true and false. The bool keyword is an alias for the System.Boolean structure in the .NET framework. Boolean variables are commonly used in conditional statements, loops, and logical operations to control program flow based on true/false conditions. Syntax Following is the syntax for declaring Boolean variables − bool variableName = true; // or false bool variableName; // defaults to false Basic Boolean Declaration and Assignment Example ...
Read MoreByte.ToString() Method in C#
The Byte.ToString() method in C# converts the value of the current Byte object to its equivalent string representation. This method is inherited from the Object class and overridden to provide byte-specific string conversion. Syntax Following is the syntax for the basic ToString() method − public override string ToString(); The Byte class also provides overloaded versions that accept format specifiers − public string ToString(string format); public string ToString(IFormatProvider provider); public string ToString(string format, IFormatProvider provider); Using Basic ToString() Method The parameterless ToString() method converts a byte value to its decimal ...
Read MoreThree Different ways to calculate factorial in C#
The factorial of a number is the product of all positive integers less than or equal to that number. For example, factorial of 5 (written as 5!) is 5 × 4 × 3 × 2 × 1 = 120. In C#, you can calculate factorial using three different approaches − Syntax The mathematical definition of factorial is − n! = n × (n-1) × (n-2) × ... × 2 × 1 0! = 1 (by definition) 1! = 1 Factorial Calculation Methods For Loop ...
Read MoreC# Program to Add Two TimeSpan
The TimeSpan structure in C# represents a time interval and provides methods to perform arithmetic operations. You can add two TimeSpan objects using the Add() method or the + operator to get the combined duration. Syntax Following is the syntax for adding two TimeSpan objects using the Add() method − TimeSpan result = timespan1.Add(timespan2); You can also use the + operator for addition − TimeSpan result = timespan1 + timespan2; Using the Add() Method The Add() method returns a new TimeSpan that represents the sum of two time intervals ...
Read MoreConvert.ToDouble Method in C#
The Convert.ToDouble() method in C# converts a specified value to a double-precision floating-point number. This method is part of the Convert class and can handle various data types including integers, strings, booleans, and other numeric types. Syntax Following is the syntax for the Convert.ToDouble() method − public static double ToDouble(object value) public static double ToDouble(string value) public static double ToDouble(int value) public static double ToDouble(long value) public static double ToDouble(bool value) Parameters value − The value to be converted to a double-precision floating-point number. This can be of various types including object, string, ...
Read Moretry keyword in C#
The try keyword in C# is used to define a block of code that might throw an exception. It must be followed by one or more catch blocks to handle exceptions, and optionally a finally block for cleanup code that runs regardless of whether an exception occurs. Syntax Following is the basic syntax for a try-catch block − try { // code that might throw an exception } catch (ExceptionType e) { // exception handling code } Following is the syntax with a finally block − ...
Read MoreC# TicksPer constants
The TicksPer constants in C# are predefined values in the TimeSpan class that represent the number of ticks for different time units. A tick is the smallest unit of time measurement in .NET, where one tick equals 100 nanoseconds. These constants help convert between ticks and common time measurements. Available TicksPer Constants The TimeSpan class provides the following TicksPer constants − TicksPerDay − Number of ticks in one day TicksPerHour − Number of ticks in one hour TicksPerMinute − Number of ticks in one minute TicksPerSecond − Number of ticks in one second TicksPerMillisecond − Number ...
Read MoreContainsKey() method in C#
The ContainsKey() method in C# is used to check whether a specific key exists in a Hashtable or other collection types like Dictionary. This method returns true if the key is found, otherwise it returns false. Syntax Following is the syntax for the ContainsKey() method − bool ContainsKey(object key) Parameters key − The key to locate in the collection. Return Value Returns true if the key exists in the collection; otherwise, false. ContainsKey() Method Logic Hashtable ...
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