Jmeter value to variable in string
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How do i replace a variable defined in a file (a.xml) after the file is read into Jmeter ?
eg.  a.xml has a content.

 `<Shipment Action="MODIFY"   OrderNo="${vOrderNo}" >`

The entire file is read into a string using
str_Input=${__FileToString(/a.xml)}

In the Jmx file, a http Request is made to get output from a webservice as <Order OrderNo="1244343" />
Using Xpath Extractor the value of OrderNo is read into a Variable  vOrderNo.

Now, wanted to use the value of variable vOrderNo in the str_Input.. ? How do i ?

