static void Main(string[] args)
{
//Example how to change app.config file associated to your application.
//You can use the same approach for web.configs and other type of configurations
string appConfigFilePath = string.Concat(Assembly.GetExecutingAssembly().Location, ".config");
ConfigModificatorSettings appConfigWriterSettings =
new ConfigModificatorSettings("//appSettings", "//add[@key='{0}']", appConfigFilePath);
string value = ConfigurationManager.AppSettings["testKey1"];
System.Console.WriteLine("Value before modification: {0}", value);
ConfigModificator.ChangeValueByKey(
key: "testKey1",
value: "ChangedValueByModificator",
attributeForChange: "value",
configWriterSettings: appConfigWriterSettings);
ConfigModificator.RefreshAppSettings();
value = ConfigurationManager.AppSettings["testKey1"];
System.Console.WriteLine("Value after modification: {0}", value);
//Example how to change Custom XML configuration
string carsConfigFilePath = "Cars.xml";
ConfigModificatorSettings carsConfigWriterSettings =
new ConfigModificatorSettings("//cars", "//car[@name='{0}']", carsConfigFilePath);
ConfigModificator.ChangeValueByKey(
key: "BMW",
value: "Mazda",
attributeForChange: "name",
configWriterSettings: carsConfigWriterSettings);
}
/// <summary>
/// Changes the value by key.
/// </summary>
/// <param name="key">The key.</param>
/// <param name="value">The value.</param>
/// <param name="attributeForChange">The attribute for change.</param>
/// <param name="configWriterSettings">The configuration writer settings.</param>
/// <exception cref="System.InvalidOperationException">appSettings section not found in config file.</exception>
public static void ChangeValueByKey(string key, string value, string attributeForChange, ConfigModificatorSettings configWriterSettings)
{
XmlDocument doc = ConfigModificator.LoadConfigDocument(configWriterSettings.ConfigPath);
// retrieve the root node
XmlNode rootNode = doc.SelectSingleNode(configWriterSettings.RootNode);
if (rootNode == null)
{
throw new InvalidOperationException("the root node section not found in config file.");
}
try
{
// select the element that contains the key
XmlElement elem = (XmlElement)rootNode.SelectSingleNode(string.Format(configWriterSettings.NodeForEdit, key));
elem.SetAttribute(attributeForChange, value);
doc.Save(configWriterSettings.ConfigPath);
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// Writes the setting.
/// </summary>
/// <param name="key">The key.</param>
/// <param name="value">The value.</param>
/// <param name="configWriterSettings">The configuration writer settings.</param>
/// <exception cref="System.InvalidOperationException">appSettings section not found in config file.</exception>
public static void WriteSetting(string key, string value, ConfigModificatorSettings configWriterSettings)
{
XmlDocument doc = ConfigModificator.LoadConfigDocument(configWriterSettings.ConfigPath);
// retrieve appSettings node
XmlNode rootNode = doc.SelectSingleNode(configWriterSettings.RootNode);
if (rootNode == null)
{
throw new InvalidOperationException("appSettings section not found in config file.");
}
try
{
// select the 'note for edit' element that contains your key
XmlElement elem = (XmlElement)rootNode.SelectSingleNode(string.Format(configWriterSettings.NodeForEdit, key));
elem.FirstChild.InnerText = value;
doc.Save(configWriterSettings.ConfigPath);
}
catch
{
throw;
}
}
/// <summary>
/// Writes the setting.
/// </summary>
/// <param name="key">The key.</param>
/// <param name="value">The value.</param>
/// <param name="configWriterSettings">The configuration writer settings.</param>
/// <exception cref="System.InvalidOperationException">appSettings section not found in config file.</exception>
public static void WriteSetting(string key, string value, ConfigModificatorSettings configWriterSettings)
{
XmlDocument doc = ConfigModificator.LoadConfigDocument(configWriterSettings.ConfigPath);
// retrieve appSettings node
XmlNode rootNode = doc.SelectSingleNode(configWriterSettings.RootNode);
if (rootNode == null)
{
throw new InvalidOperationException("appSettings section not found in config file.");
}
try
{
// select the 'note for edit' element that contains your key
XmlElement elem = (XmlElement)rootNode.SelectSingleNode(string.Format(configWriterSettings.NodeForEdit, key));
elem.FirstChild.InnerText = value;
doc.Save(configWriterSettings.ConfigPath);
}
catch
{
throw;
}
}
/// <summary>
/// Changes the value by key.
/// </summary>
/// <param name="key">The key.</param>
/// <param name="value">The value.</param>
/// <param name="attributeForChange">The attribute for change.</param>
/// <param name="configWriterSettings">The configuration writer settings.</param>
/// <exception cref="System.InvalidOperationException">appSettings section not found in config file.</exception>
public static void ChangeValueByKey(string key, string value, string attributeForChange, ConfigModificatorSettings configWriterSettings)
{
XmlDocument doc = ConfigModificator.LoadConfigDocument(configWriterSettings.ConfigPath);
// retrieve the root node
XmlNode rootNode = doc.SelectSingleNode(configWriterSettings.RootNode);
if (rootNode == null)
{
throw new InvalidOperationException("the root node section not found in config file.");
}
try
{
// select the element that contains the key
XmlElement elem = (XmlElement)rootNode.SelectSingleNode(string.Format(configWriterSettings.NodeForEdit, key));
elem.SetAttribute(attributeForChange, value);
doc.Save(configWriterSettings.ConfigPath);
}
catch (Exception ex)
{
throw ex;
}
}
