How to Read XML tag values in C# [duplicate]

This question already has an answer here:

• LINQ to read XML 5 answers

I have an XML file like below:

<sections>
<section name="516604">
<item key="Terminal" value="254726387322" />
<item key="UserName" value="SomeName" />
<item key="Pass" value="XXXX" />
</section>
<section name="802200">
<item key="Terminal" value="254726402010" />
<item key="UserName" value="SomeOtherName" />
<item key="Pass" value="XXXX" />
</section>
</sections>

How can I have a C# function that returns a string containing a field value like below:

public string GetXMLValue(string Section, string Terminal)
{
return string TerminalOfSection
}

The above method should return the XML Tag value "Terminal" of a given Section say "516604" as a string.

Thank You.