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5 mar 2019 · If you want to do an if / else in a single line, you must know the structure that the code must have: condition ? consequent : alternative. For example: string A = "test"; Console.WriteLine(String.IsNullOrEmpty(A) ? "Yes" : "No"); //Result = No string B = ""; Console.WriteLine(String.IsNullOrEmpty(B) ? "Yes" : "No"); //Result = Yes
12 lut 2023 · To use a one-line if-else statement in C#, follow this syntax: condition ? true_expression : false_expression; C# int result = isTrue ? 1 : 0; This is equivalent to the following if-else statement: C# int result; if (isTrue) { . result = 1; } else { . result = 0; } Ternary Operator.
It can be used to replace multiple lines of code with a single line. It is often used to replace simple if else statements:
If statements are C#’s most common branching statement. We make them with the if keyword followed by a Boolean true/false expression between parentheses. Then we type braces ({and }). Inside those we place all code that should run when the if statement’s condition is true.
24 cze 2020 · C# if Statement. The if statement contains a boolean condition followed by a single or multi-line code block to be executed. At runtime, if a boolean condition evaluates to true, then the code block will be executed, otherwise not. Syntax: if(condition) {.
With an if statement we evaluate a condition and, when found true, execute one or several lines of code. But often we’ll want to take one set of actions when an if statement’s condition is true , and perform other actions when that condition tests false .
21 wrz 2024 · An if-statement tests for a possibility in C# programs. This statement (alongside "else") detects if an expression like "x == 10" evaluates to true. We can improve the performance of evaluating if-statements by placing the most common case first.
