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c#app-configconfigurationmanager
Amokrane Chentir
Amokrane Chentir

Reputation: 30385

How to parse app.config using ConfigurationManager?

I was using a certain method for parsing my app.config file. Then I was told that using ConfigurationManager is better and simpler. But the thing is I don't know how to do it with ConfigurationManager.

My original code looked like this:

   XmlNode xmlProvidersNode;
    XmlNodeList xmlProvidersList;
    XmlNodeList xmlTaskFactoriesList;

    XmlDocument xmlDoc = new XmlDocument();
    xmlDoc.Load("app.config");
    xmlProvidersNode = xmlDoc.DocumentElement.SelectSingleNode("TaskProviders");
    xmlProvidersList = xmlProvidersNode.SelectNodes("TaskProvider");

    foreach (XmlNode xmlProviderElement in xmlProvidersList)
    {
        if (xmlProviderElement.Attributes.GetNamedItem("Name").Value.Equals(_taskProvider))
        {
            xmlTaskFactoriesList = xmlProviderElement.SelectNodes("TaskTypeFactory");
            foreach (XmlNode xmlTaskFactoryElement in xmlTaskFactoriesList)
            {
                if (xmlTaskFactoryElement.Attributes.GetNamedItem("TaskType").Value.Equals(_taskType))
                {
                    taskTypeFactory = xmlTaskFactoryElement.Attributes.GetNamedItem("Class").Value;
                }
            }
        }
    }

What would be the equivalent using ConfigurationManager? (Because all I can see is how to get keys not nodes..)

Thanks

Upvotes: 2

Views: 9450

Answers (2)

danish
danish

Reputation: 5600

If you are concerned about the custom sections create your own class using Configuration section class. Here is an example about using it.

Upvotes: 2

Klaus Byskov Pedersen
Klaus Byskov Pedersen

Reputation: 120917

Create a class that inherits ConfigurationSection called, say, MyConfigSection. Then you can use the ConfigurationManager.GetSection method to get an instance of your MyConfigSection class. The ConfigurationManager will do all the parsing, so you will have a strongly typed object to work with. Here is an excellent example to follow.

Upvotes: 4

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