BizTalk Error: Unable to cast object of type ‘ArrayBasedXmlNodeList’ to type ‘System.IConvertible’.

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In order to resolve above issue ,
Perform below steps=>
1)Create one variable of type String in Orchestration view .
2)Fetch value Through XPath and store in this variable.
3)Use code like mentioned below

temporaryString = xpath(myMsg,”/*[local-name()=’Dep’ and namespace-uri()=’http://App.BizTalk.AppPaymentSchema’%5D/*%5Blocal-name()=’Ps’ and namespace-uri()=’http://App.BizTalk.AppPaymentSchema’%5D/@*%5Blocal-name()=’Amount’ and namespace-uri()=”]”);



finalMsg.DecimalField = System.Convert.ToDecimal
(temporaryString );




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