How to remove node with xmlns attribute from an existing XML string in ASP.NET with C#?

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I want to remove node with xmlns attribute from an existing xml string in c#. I want to remove the Request Node.
My xml is as below:

<?xml version="1.0" encoding="utf-16"?><Request xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"><webServiceRequest><entityDetails><entityId>038</entityId><userName>P049563445634674574325323674we5476956789057905694565745764256456</userName><password>6919301721649254400252100878956720265267481307739303873300957305</password><serviceId>WS001</serviceId><requesterWsiRef>WSI835180322000000</requesterWsiRef><RSASignature>TJQ4BQi3rWA5Xn77t6kkgQQSYafFK8Oe5CsPJGXoyDgp2n78lQ2yDMPWdT7rr4n3oPGUlJ6LMGX1v8sczXPysu/BVNGpGAs0LjJoAiRt4H0PbJodSLkKZRpoUuVkQG/QhAg3LXgulk3ID78CiO3dshCtfu0razVu+cZp6Tq8R8o=</RSASignature></entityDetails><requestDetails><encrypyedRequestKeyData>EV/VkI8uZMd5e+mOwbwb4Ha55rm9fAn6cT+74ocf2eimhoppLP2ylyDKo8SFOCgmHanV7eBEmFgaESU7s/BzewcRsRmnCtG5m/EC3pFFhNcoDwBIgOlCiQSl8Q+mTbXI1OvomTNIAfK5uyIczjsekUWiP8DHphPvgJTC/0La9Pc=</encrypyedRequestKeyData><encryptedRequestData>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</encryptedRequestData></requestDetails></webServiceRequest></Request>

Output
I want the above xml as below:

<?xml version="1.0" encoding="utf-16"?>
<webServiceRequest><entityDetails><entityId>038</entityId><userName>P049563445634674574325323674we5476956789057905694565745764256456</userName><password>6919301721649254400252100878956720265267481307739303873300957305</password><serviceId>WS001</serviceId><requesterWsiRef>WSI835180322000000</requesterWsiRef><RSASignature>TJQ4BQi3rWA5Xn77t6kkgQQSYafFK8Oe5CsPJGXoyDgp2n78lQ2yDMPWdT7rr4n3oPGUlJ6LMGX1v8sczXPysu/BVNGpGAs0LjJoAiRt4H0PbJodSLkKZRpoUuVkQG/QhAg3LXgulk3ID78CiO3dshCtfu0razVu+cZp6Tq8R8o=</RSASignature></entityDetails><requestDetails><encrypyedRequestKeyData>EV/VkI8uZMd5e+mOwbwb4Ha55rm9fAn6cT+74ocf2eimhoppLP2ylyDKo8SFOCgmHanV7eBEmFgaESU7s/BzewcRsRmnCtG5m/EC3pFFhNcoDwBIgOlCiQSl8Q+mTbXI1OvomTNIAfK5uyIczjsekUWiP8DHphPvgJTC/0La9Pc=</encrypyedRequestKeyData><encryptedRequestData>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</encryptedRequestData></requestDetails></webServiceRequest>

What I have tried:

Tried below code as below:

XDocument doc = XDocument.Parse(objCBAPIDetails.RequestAPI);
XNamespace ns = "x-schema:tsSchema.xml";
doc.Root.Element(ns + "Request")
    .Elements(ns + "expansion").Remove();

But not working.

Posted 20-Jul-18 2:07am

ranio

Updated 20-Jul-18 3:44am

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Comments

Richard Deeming 20-Jul-18 9:38am

Your sample XML does not have any namespaces defined. There is no element called "Request" in the namespace "x-schema:tsSchema.xml".

There is also no element called "expansion", in that namespace or any other.

The "Request" element is the root element. It does not have a child node called "Request".

And the code you've tried does not match what you've said you're trying to do. You're trying to promote the root element's single child element to be the new root; but your code is trying to remove a child element from the "Request" element.

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Richard Deeming · Answer 1 · 2018-07-20T03:45:00

Solution 1

Based on your description, the code you're looking for is simply:

C#

XDocument doc = XDocument.Parse(objCBAPIDetails.RequestAPI);
doc.ReplaceNodes(doc.Root.Elements().Single());

Posted 20-Jul-18 3:45am

Richard Deeming

Comments

ranio 23-Jul-18 4:58am

How to update the existing xml using xdoc. I mean the objCBAPIDetails.requestAPI

Richard Deeming 23-Jul-18 7:41am

objCBAPIDetails.requestAPI = doc.ToString();