Top "Nested-if" questions

This tag refers to a code structure in which multiple if-statements are placed in a "nested" form (i.e. one if-statement is contained within another).

Nested If statement Excel - checking if value exists

I have a spreadsheet with multiple row with varying data in the collumns eg: Student NO Book1 Book 2 Book 3 Book 4 …

excel vlookup nested-if
Better alternative to many nested if statements in this context?

if (task1 != null) //Do something with task1 else { if (task2 != null) //Do something with task2 else { if (task3 != null) //Do …

c# if-statement nested-if