Value assigned but never used (IDE0059)

Key dotnet.codequality.unused-value-assignment · Severity info · Category codequality

Microsoft code-style analyzer IDE0059. Flags a value assigned to a local variable that is overwritten or goes out of scope before anything reads it. Either the assignment is useless or the code that should read it is missing.

Incorrect

var total = 0m;
total = Calculate(order);
return total;

Correct

var total = Calculate(order);
return total;