using System;

using System.Collections.Generic;

using System.Text;

using System.Linq;

using System.Xml.Serialization;

using System.Xml;

using System.Xml.Linq;

using System.IO;

using System.Data;

using System.Runtime.Serialization;

using System.Runtime.Serialization.Formatters.Binary;

using System.IO.Compression;

using System.Reflection;

​

using NUnit.Framework; //NUnit.Framework.AssertionException

​

//https://stackoverflow.com/questions/66674617/how-to-remove-list-parent-node-from-xml

​

    public static class XNodeExtensions

    {

        public static void RemoveAndMoveChildrenUp (this IEnumerable<XNode> source)

        {

            foreach (var node in source.ToList())

                node.RemoveAndMoveChildrenOfTypeUp<XNode>();

        }

        public static void RemoveAndMoveChildElementsUp (this IEnumerable<XNode> source)

        {

            foreach (var node in source.ToList())

                node.RemoveAndMoveChildrenOfTypeUp<XElement>();

        }

        public static void RemoveAndMoveChildrenOfTypeUp<TChild>(this XNode node) where TChild : XNode

        {

            var parent = node.Parent;

            if (node is XContainer container)

            {

                for (XNode child = container.FirstNode, nextChild = child?.NextNode; child != null; child = nextChild, nextChild = child?.NextNode)

                {

                    if (child is TChild)

                    {

                        child.Remove(); // Remove the child first to prevent cloning when added to the parent

                        parent.Add(child);

                    }

                }

            }

            node.Remove();

        }

    }

​

    public class TestClass

    {

        public static void Test()

        {

            var xmlActionResult = new

            {

                _document = XDocument.Parse(GetXml()),

            };

            var oldChildren = xmlActionResult._document.Root.Elements("scheme-details1").SelectMany(e => e.Nodes()).ToList();

            xmlActionResult._document.Root.Elements("scheme-details1").RemoveAndMoveChildElementsUp(); 

​

            Assert.IsTrue(oldChildren.All(c => c.Parent == xmlActionResult._document.Root));

            Assert.IsTrue(!xmlActionResult._document.ToString().Contains("scheme-details1"));

​

            Console.WriteLine(xmlActionResult._document);

        }

        static string GetXml() => @"<scheme-master>

    <general-information>

        <schemecode>XXXXX</schemecode>

        <year>2020</year>

        <month>04</month>

        <requestid>0008052020</requestid>

    </general-information>

    <scheme-details1>

        <scheme-details>

            <location>

                <district_code>503</district_code>

                <district_name>Chittoor</district_name>

                <state_code>28</state_code>

                <state_name>Andhra pradesh</state_name>

            </location>

            <beneficiary-details>

                <no_of_beneficiaries_normative_central_and_state_share>10000</no_of_beneficiaries_normative_central_and_state_share>

                <no_of_additional_beneficiaries_supported_by_state>0</no_of_additional_beneficiaries_supported_by_state>

                <total_no_of_beneficiaries>10000</total_no_of_beneficiaries>

                <no_of_beneficiaries_record_digitized>10000</no_of_beneficiaries_record_digitized>

                <no_of_authenticated_seeded_beneficiaries>10000</no_of_authenticated_seeded_beneficiaries>

                <no_of_beneficiaries_whom_mobile_no_captured>10000</no_of_beneficiaries_whom_mobile_no_captured>

            </beneficiary-details>

            <fundtransfer-details>

                <central_share_fund_transferred_cash>10000</central_share_fund_transferred_cash>

                <normative_state_share_fund_transferred_cash>0</normative_state_share_fund_transferred_cash>

                <additional_state_share_fund_transferred_cash>0</additional_state_share_fund_transferred_cash>

                <state_share_fund_transferred_to_additional_beneficiaries_cash>0</state_share_fund_transferred_to_additional_beneficiaries_cash>

                <total_fund_transferred_cash>10000</total_fund_transferred_cash>

                <central_share_expenditure_incurred_inkind>0</central_share_expenditure_incurred_inkind>

                <normative_state_share_expenditure_incurred_inkind>0</normative_state_share_expenditure_incurred_inkind>

                <additional_state_share_expenditure_incurred_inkind>0</additional_state_share_expenditure_incurred_inkind>

                <state_share_expenditure_incurred_to_additional_beneficiaries_inkind>0</state_share_expenditure_incurred_to_additional_beneficiaries_inkind>

                <total_expenditure_incurred_inkind>0</total_expenditure_incurred_inkind>

            </fundtransfer-details>

            <transaction-details>

                <total_no_transactions_electronic_modes_cash>10000</total_no_transactions_electronic_modes_cash>

                <payment_electronic_modes_cash>10000</payment_electronic_modes_cash>

                <total_no_transactions_other_modes_cash>0</total_no_transactions_other_modes_cash>

                <payment_other_modes_cash>0</payment_other_modes_cash>

                <quantity_transferred_inkind>0</quantity_transferred_inkind>

                <no_of_authenticated_transactions_inkind>0</no_of_authenticated_transactions_inkind>

                <dbt_expenditure_incurred_inkind>0</dbt_expenditure_incurred_inkind>

            </transaction-details>

        </scheme-details>

        <scheme-details>

            <location>

                <district_code>504</district_code>

                <district_name>Cuddapah (YSR Kadapa)</district_name>

                <state_code>28</state_code>

                <state_name>Andhra pradesh</state_name>

            </location>

            <beneficiary-details>

                <no_of_beneficiaries_normative_central_and_state_share>10000</no_of_beneficiaries_normative_central_and_state_share>

                <no_of_additional_beneficiaries_supported_by_state>0</no_of_additional_beneficiaries_supported_by_state>

                <total_no_of_beneficiaries>10000</total_no_of_beneficiaries>

                <no_of_beneficiaries_record_digitized>10000</no_of_beneficiaries_record_digitized>

                <no_of_authenticated_seeded_beneficiaries>10000</no_of_authenticated_seeded_beneficiaries>

                <no_of_beneficiaries_whom_mobile_no_captured>10000</no_of_beneficiaries_whom_mobile_no_captured>

            </beneficiary-details>

            <fundtransfer-details>

                <central_share_fund_transferred_cash>10000</central_share_fund_transferred_cash>

                <normative_state_share_fund_transferred_cash>0</normative_state_share_fund_transferred_cash>

                <additional_state_share_fund_transferred_cash>0</additional_state_share_fund_transferred_cash>

                <state_share_fund_transferred_to_additional_beneficiaries_cash>0</state_share_fund_transferred_to_additional_beneficiaries_cash>

                <total_fund_transferred_cash>10000</total_fund_transferred_cash>

                <central_share_expenditure_incurred_inkind>0</central_share_expenditure_incurred_inkind>

                <normative_state_share_expenditure_incurred_inkind>0</normative_state_share_expenditure_incurred_inkind>

                <additional_state_share_expenditure_incurred_inkind>0</additional_state_share_expenditure_incurred_inkind>

                <state_share_expenditure_incurred_to_additional_beneficiaries_inkind>0</state_share_expenditure_incurred_to_additional_beneficiaries_inkind>

                <total_expenditure_incurred_inkind>0</total_expenditure_incurred_inkind>

            </fundtransfer-details>

            <transaction-details>

                <total_no_transactions_electronic_modes_cash>10000</total_no_transactions_electronic_modes_cash>

                <payment_electronic_modes_cash>10000</payment_electronic_modes_cash>

                <total_no_transactions_other_modes_cash>0</total_no_transactions_other_modes_cash>

                <payment_other_modes_cash>0</payment_other_modes_cash>

                <quantity_transferred_inkind>0</quantity_transferred_inkind>

                <no_of_authenticated_transactions_inkind>0</no_of_authenticated_transactions_inkind>

                <dbt_expenditure_incurred_inkind>0</dbt_expenditure_incurred_inkind>

            </transaction-details>

        </scheme-details>

        <scheme-details>

            <location>

                <district_code>503</district_code>

                <district_name>Chittoor</district_name>

                <state_code>28</state_code>

                <state_name>Andhra pradesh</state_name>

            </location>

            <beneficiary-details>

                <no_of_beneficiaries_normative_central_and_state_share>10000</no_of_beneficiaries_normative_central_and_state_share>

                <no_of_additional_beneficiaries_supported_by_state>0</no_of_additional_beneficiaries_supported_by_state>

                <total_no_of_beneficiaries>10000</total_no_of_beneficiaries>

                <no_of_beneficiaries_record_digitized>10000</no_of_beneficiaries_record_digitized>

                <no_of_authenticated_seeded_beneficiaries>10000</no_of_authenticated_seeded_beneficiaries>

                <no_of_beneficiaries_whom_mobile_no_captured>10000</no_of_beneficiaries_whom_mobile_no_captured>

            </beneficiary-details>

            <fundtransfer-details>

                <central_share_fund_transferred_cash>10000</central_share_fund_transferred_cash>

                <normative_state_share_fund_transferred_cash>0</normative_state_share_fund_transferred_cash>

                <additional_state_share_fund_transferred_cash>0</additional_state_share_fund_transferred_cash>

                <state_share_fund_transferred_to_additional_beneficiaries_cash>0</state_share_fund_transferred_to_additional_beneficiaries_cash>

                <total_fund_transferred_cash>10000</total_fund_transferred_cash>

                <central_share_expenditure_incurred_inkind>0</central_share_expenditure_incurred_inkind>

                <normative_state_share_expenditure_incurred_inkind>0</normative_state_share_expenditure_incurred_inkind>

                <additional_state_share_expenditure_incurred_inkind>0</additional_state_share_expenditure_incurred_inkind>

                <state_share_expenditure_incurred_to_additional_beneficiaries_inkind>0</state_share_expenditure_incurred_to_additional_beneficiaries_inkind>

                <total_expenditure_incurred_inkind>0</total_expenditure_incurred_inkind>

            </fundtransfer-details>

            <transaction-details>

                <total_no_transactions_electronic_modes_cash>10000</total_no_transactions_electronic_modes_cash>

                <payment_electronic_modes_cash>10000</payment_electronic_modes_cash>

                <total_no_transactions_other_modes_cash>0</total_no_transactions_other_modes_cash>

                <payment_other_modes_cash>0</payment_other_modes_cash>

                <quantity_transferred_inkind>0</quantity_transferred_inkind>

                <no_of_authenticated_transactions_inkind>0</no_of_authenticated_transactions_inkind>

                <dbt_expenditure_incurred_inkind>0</dbt_expenditure_incurred_inkind>

            </transaction-details>

        </scheme-details>

        <scheme-details>

            <location>

                <district_code>504</district_code>

                <district_name>Cuddapah (YSR Kadapa)</district_name>

                <state_code>28</state_code>

                <state_name>Andhra pradesh</state_name>

            </location>

            <beneficiary-details>

                <no_of_beneficiaries_normative_central_and_state_share>10000</no_of_beneficiaries_normative_central_and_state_share>

                <no_of_additional_beneficiaries_supported_by_state>0</no_of_additional_beneficiaries_supported_by_state>

                <total_no_of_beneficiaries>10000</total_no_of_beneficiaries>

                <no_of_beneficiaries_record_digitized>10000</no_of_beneficiaries_record_digitized>

                <no_of_authenticated_seeded_beneficiaries>10000</no_of_authenticated_seeded_beneficiaries>

                <no_of_beneficiaries_whom_mobile_no_captured>10000</no_of_beneficiaries_whom_mobile_no_captured>

            </beneficiary-details>

            <fundtransfer-details>

                <central_share_fund_transferred_cash>10000</central_share_fund_transferred_cash>

                <normative_state_share_fund_transferred_cash>0</normative_state_share_fund_transferred_cash>

                <additional_state_share_fund_transferred_cash>0</additional_state_share_fund_transferred_cash>

                <state_share_fund_transferred_to_additional_beneficiaries_cash>0</state_share_fund_transferred_to_additional_beneficiaries_cash>

                <total_fund_transferred_cash>10000</total_fund_transferred_cash>

                <central_share_expenditure_incurred_inkind>0</central_share_expenditure_incurred_inkind>

                <normative_state_share_expenditure_incurred_inkind>0</normative_state_share_expenditure_incurred_inkind>

                <additional_state_share_expenditure_incurred_inkind>0</additional_state_share_expenditure_incurred_inkind>

                <state_share_expenditure_incurred_to_additional_beneficiaries_inkind>0</state_share_expenditure_incurred_to_additional_beneficiaries_inkind>

                <total_expenditure_incurred_inkind>0</total_expenditure_incurred_inkind>

            </fundtransfer-details>

            <transaction-details>

                <total_no_transactions_electronic_modes_cash>10000</total_no_transactions_electronic_modes_cash>

                <payment_electronic_modes_cash>10000</payment_electronic_modes_cash>

                <total_no_transactions_other_modes_cash>0</total_no_transactions_other_modes_cash>

                <payment_other_modes_cash>0</payment_other_modes_cash>

                <quantity_transferred_inkind>0</quantity_transferred_inkind>

                <no_of_authenticated_transactions_inkind>0</no_of_authenticated_transactions_inkind>

                <dbt_expenditure_incurred_inkind>0</dbt_expenditure_incurred_inkind>

            </transaction-details>

        </scheme-details>

    </scheme-details1>

</scheme-master>

";

    }

​

    public class Program

    {

        public static void Main()

        {

            Console.WriteLine("Environment version: {0} ({1})", System.Runtime.InteropServices.RuntimeInformation.FrameworkDescription , GetNetCoreVersion());

            Console.WriteLine();

​

            try

            {

                TestClass.Test();

            }

            catch (Exception ex)

            {

                Console.WriteLine("Failed with unhandled exception: ");

                Console.WriteLine(ex);

                throw;

            }

        }

        public static string GetNetCoreVersion()

        {

            //https://techblog.dorogin.com/how-to-detect-net-core-version-in-runtime-ecd65ad695be

            //

            var assembly = typeof(System.Runtime.GCSettings).GetTypeInfo().Assembly;

            var assemblyPath = assembly.Location.Split(new[] { '/', '\\' }, StringSplitOptions.RemoveEmptyEntries);

            int netCoreAppIndex = Array.IndexOf(assemblyPath, "Microsoft.NETCore.App");

            if (netCoreAppIndex > 0 && netCoreAppIndex < assemblyPath.Length - 2)

                return assemblyPath[netCoreAppIndex + 1];

            return null;

        }

    }

​