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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
Short Hand If...Else (Ternary Operator) There is also a short-hand if else, which is known as the ternary operator because it consists of three operands. It can be used to replace multiple lines of code with a single line. It is often used to replace simple if else statements: Syntax Get your own C# Server.
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.
C#'s if/else statement branches code flow based on a true/false expression. When true, code below if executes. Else code under else runs.
Say we got the following single-line if statement: if ( itemsOrdered > itemsInStock ) WarnCustomer ( ) ; Then later we add a second statement below the if keyword:
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.
27 sie 2009 · if (checkbox.checked) { if (columnname is (!= a and != b and != c) { "statement 1" } } else { if (columnname is (!= a and != b and != c and != A2) { "statement 1" } } This pattern matching also added cleaning up switch statements in a similar way.
