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C# XML Nodes

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Posted on by BlackBeard

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Hello Experts,

i have a problem with nodes from a xml file.

I have some <eventitem> nodes and want to loop every item in a variable, but i only get the first one...

<events>Liste</events>
<eventitem>Mitgliederversammlung</eventitem>
<eventitem>Sechzig Jahre</eventitem>

//SEMINARSELEKTION

                                    workshopstring = node["eventitem"].InnerText;
                                    

                                        if (workshopstring.Contains("Tag"))
                                        {

                                            TDMRTeilnahme = true;

                                            TDMRTeilnahme1.Set(executionContext, TDMRTeilnahme);
                                            tracingService.Trace("TDMRTeilnahme zugeordnet");

                                        }
                                        else if (workshopstring.Contains("Masch"))
                                        {

                                            tedx = true;
                                            TedX.Set(executionContext, tedx);
                                            tracingService.Trace("Teilnahme");
                                        }
                                        else
                                        {
                                            QueryExpression workshopquery = new QueryExpression("mrd_seminar");
                                            workshopquery.ColumnSet = new ColumnSet(true);
                                            workshopquery.Criteria.AddCondition("mrd_name", ConditionOperator.Equal, workshopstring);

                                            // query ausführen
                                            EntityCollection retrieveworkshop = service.RetrieveMultiple(workshopquery);

                                            if (retrieveworkshop.Entities.Count == 1)
                                            {
                                                                                              
                                                Entity Workshop1 = retrieveworkshop.Entities[0];
                                                Entity Workshop2 = retrieveworkshop.Entities[0];
                                                Entity Workshop3 = retrieveworkshop.Entities[0];
                                                Entity Workshop4 = retrieveworkshop.Entities[0];

                                                if (Workshop1 != null)
                                                {
                                                    WorkshopA.Set(executionContext, new EntityReference("mrd_seminar", Workshop1.Id));
                                                    tracingService.Trace("Workshop zugeordnet ", Workshop1.ToString());
                                                }
                                                else if (Workshop2 != null)
                                                {
                                                    WorkshopA.Set(executionContext, new EntityReference("mrd_seminar", Workshop2.Id));
                                                    tracingService.Trace("Workshop zugeordnet ", Workshop2.ToString());
                                                }
                                                else if (Workshop3 != null)
                                                {
                                                    WorkshopA.Set(executionContext, new EntityReference("mrd_seminar", Workshop3.Id));
                                                    tracingService.Trace("Workshop zugeordnet ", Workshop3.ToString());
                                                }
                                                else if (Workshop4 != null)
                                                {
                                                    WorkshopA.Set(executionContext, new EntityReference("mrd_seminar", Workshop4.Id));
                                                    tracingService.Trace("Workshop zugeordnet ", Workshop4.ToString());
                                                }

                                            }

                                        }

                                    //Variable clearen
                                    tracingService.Trace(workshopstring);
                                    workshopstring = null;
                                    return;

                                    //ENDE SEMINARVERGABE

Kind Regards
Léon

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Michel van den Brink 4,697 on at

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Hello Léon,

Which class are you using to read your XML?

If you are using System.Xml.Linq.XDocument you can do this:

IEnumerable<System.Xml.Linq.XElement> elements = doc.Document.Elements("eventitem"); foreach(System.Xml.Linq.XElement element in elements) { // Loop... }

If you are using System.Xml.XmlDocument, you can do this:

System.Xml.XmlNodeList nodes = doc.DocumentElement.SelectNodes("//eventitem"); foreach(System.Xml.XmlNode node in nodes) { // Loop... }

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Aric Levin - MVP 30,190 Moderator on at

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Hi,

Not sure why you are doing the following:

Entity Workshop1 = retrieveworkshop.Entities[0];

Entity Workshop2 = retrieveworkshop.Entities[0];

Entity Workshop3 = retrieveworkshop.Entities[0];

Entity Workshop4 = retrieveworkshop.Entities[0];

They all return the exact same value, since your are setting this to the first entity:

All you need is:

Entity workshop = retrieveworkshop.Entities[0];

Can you expand on what you are trying to do?

For querying Xml you need to add a loop or you can use Linq To Xml.

Check the following doc on how to query descendants:

docs.microsoft.com/.../how-to-find-descendants-with-a-specific-element-name

Hope this helps.

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Suggested answer

gdas 50,091 Moderator on at

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Hello Leon ,

Could you please check below article.I hope you can get help from there

www.csharp-examples.net/xml-nodes-by-name

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