Variable Scope

Each variable has a range in which it exists, called variable scope. This range specifies where a variable can be used. In the C # language, the area in which a variable exists, starts from the line in which we defined it and ends with the first closing curly bracket } (of the method, the if statement, etc.). For this, it is important to know that any variable defined inside the body of a if will not be available outside of it unless we have defined it higher in the code.

In the example below, on the last line we are trying to print the variable salary that is defined in the if statement, we will get an error because we don't have access to it.

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