public ActionResult Save(SamplesViewModel model)
{
bool isSave = !string.IsNullOrEmpty(Request.Form["btnSubmit"]);
if (!isSave)
return Index(model);
this.LoadAppConfiguration(model);
if (this.AppConfig == null)
{
// Load the raw Config object without loading anything
AppConfig = new ApplicationConfiguration();
}
// Read all Formvars directly into the AppConfig
WebUtils.FormVarsToObject(this.AppConfig, "Configuration.");
if (model.ConfigTypeSelection == "Default Web.Config")
{
// This is simple
if (this.AppConfig.Write())
model.ShowMessage("Keys have been written to Web.Config in the AppConfiguration Section.<hr>" +
"For best observation open your web.config and view as values get changed. Note " +
"that the Connection String and MailServerPassword fields are encrypted. Based " +
"on the constructor which calls SetEncryption with the field names.");
else
model.ShowError("Writing the keys to config failed... Make sure your permissions are set. " +
AppConfig.ErrorMessage);
}
// Writing to WebStoreConfig section in Web.Config
else if (model.ConfigTypeSelection == "Different Web.Config Section")
{
if (this.AppConfig.Write())
model.ShowMessage("Keys have been written to Web.Config in the WebStoreConfig Section.<hr>" +
"For best observation open your web.config and view as values get changed. Note " +
"that the Connection String and MailServerPassword fields are encrypted. Based " +
"on the constructor which calls SetEncryption with the field names.");
else
model.ShowError("Writing the keys to config failed... Make sure your permissions are set. " +
AppConfig.ErrorMessage);
}
// Separate Configuration File with .config structure
else if (model.ConfigTypeSelection == "Different .Config File")
{
if (this.AppConfig.Write())
model.ShowMessage("Keys have been written to a separate WebStore.Config in a WebStoreConfig Section.<hr>" +
"For best observation open WebStore.Config and view as values get changed. Note that changes in " +
"an external file will not automatically cause ASP.NET to recycle the Web application. However if you use " +
"a static property for the config object (unlike this example) the changes will be visible to all instances anyway");
else
model.ShowError("Writing the keys to WebStore.Config failed... Make sure your permissions are set. " +
AppConfig.ErrorMessage);
}
else if (model.ConfigTypeSelection == "Simple Xml File")
{
if (this.AppConfig.Write())
model.ShowMessage("Keys have been written to a separate XML file WebStoreConfig.Xml.<hr>" +
"For best observation open this file and view as values get changed. Note that changes in " +
"an external file will not automatically cause ASP.NET to recycle the Web application. However if you use " +
"a static property for the config object (unlike this example) the changes will be visible to all instances anyway");
else
model.ShowError("Writing the keys to WebStoreConfig.Xml failed. For this mode to work the Web account need to have write access in the virtual folder." +
AppConfig.ErrorMessage);
}
else if (model.ConfigTypeSelection == "String")
{
string XmlContent = this.AppConfig.WriteAsString();
if (!string.IsNullOrEmpty(XmlContent))
{
model.ShowMessage("Keys have been written to a string .<hr>" +
"The output looks like this:<p><pre>" +
Server.HtmlEncode(XmlContent) +
"</pre>" +
"This string is now written into View state and then retrieved from the Config object when reloading this page." +
"To see the persisted value, make a change to the settings, save, then move to a different mode, then come back - the change should be persisted. " +
"Note that with string and file output you can persist complex objects as long as objects are serializable.");
}
else
model.ShowError("Writing the keys to string failed... Make sure your permissions are set. " +
AppConfig.ErrorMessage);
HttpContext.Application["XmlString"] = XmlContent;
}
else if (model.ConfigTypeSelection == "Database")
{
if (this.AppConfig.Write())
model.ShowMessage("Keys have been written to the database .<hr>");
else
model.ShowError("Writing the keys to the database failed <hr>" +
"The connecton string or table namea and PK are incorrect. Use the database settings in AppConfiguration " +
"to set up a connection string, then create a table called Config and add a text field called ConfigData and a PK field.");
}
model.Configuration = this.AppConfig;
return View("Index",model);
}
private void LoadAppConfiguration(SamplesViewModel model)
{
// Default Web.Config read with Constructor
// at first access
if (model.ConfigTypeSelection == "Default Web.Config")
{
// Simply assign the default config object - it gets loaded via
// the default constructor defined in AppConfig.cs
this.AppConfig = App.Configuration;
// force to re-read in case we updated previously
AppConfig.Read();
}
// Explicit object creation for the remaining objects,
// but you can use the same static constructor approach
// as with the above
// Separate Web.Config Section
else if (model.ConfigTypeSelection == "Different Web.Config Section")
{
var provider = new ConfigurationFileConfigurationProvider<ApplicationConfiguration>()
{
ConfigurationSection = "WebStoreConfiguration",
PropertiesToEncrypt = "ConnectionString,MailServerPassword",
EncryptionKey = STR_SUPERSECRET
};
AppConfig = new ApplicationConfiguration();
AppConfig.Initialize(provider);
//this.AppConfig.Read();
}
// Separate Web.AppConfig Section
else if (model.ConfigTypeSelection == "Different .Config File")
{
var provider = new ConfigurationFileConfigurationProvider<ApplicationConfiguration>()
{
ConfigurationFile= Server.MapPath("~/WebStore.config"),
ConfigurationSection = "WebStoreConfiguration",
PropertiesToEncrypt = "ConnectionString,MailServerPassword",
EncryptionKey = STR_SUPERSECRET
};
AppConfig = new ApplicationConfiguration();
AppConfig.Initialize(provider);
//this.AppConfig.Read();
}
else if (model.ConfigTypeSelection == "Simple Xml File")
{
var provider = new XmlFileConfigurationProvider<ApplicationConfiguration>()
{
XmlConfigurationFile = Server.MapPath("WebStoreConfig.xml"),
PropertiesToEncrypt = "ConnectionString,MailServerPassword",
EncryptionKey = STR_SUPERSECRET
};
this.AppConfig = new ApplicationConfiguration();
AppConfig.Initialize(provider);
//this.AppConfig.Read();
}
else if (model.ConfigTypeSelection == "String")
{
string XmlString = HttpContext.Application["XmlString"] as string;
AppConfig = new ApplicationConfiguration();
if (XmlString != null)
{
// You can always read from an XML Serialization string w/o
// any provider setup
AppConfig.Read(XmlString);
}
}
// Not implemented since you will need a database
// this example uses the connection string configured in the Web.Config
else if (model.ConfigTypeSelection == "Database")
{
var provider = new SqlServerConfigurationProvider<ApplicationConfiguration>()
{
ConnectionString = "DevSampleConnectionString",
Tablename = "ConfigData",
Key = 1,
PropertiesToEncrypt = "ConnectionString,MailServerPassword",
EncryptionKey = STR_SUPERSECRET
};
AppConfig = new ApplicationConfiguration();
AppConfig.Initialize(provider);
if (!this.AppConfig.Read())
model.ShowError(
"Unable to connect to the Database.<hr>" +
"This database samle uses the connection string in the configuration settings " +
"with a table named 'ConfigData' and a field named 'ConfigData' to hold the " +
"configuration settings. If you have a valid connection string you can click " +
"on Save Settings to force the table and a single record to be created.<br><br>" +
"Note: The table name is parameterized (and you can change it in the default.aspx.cs page), but the field name always defaults to ConfigData.<hr/>" +
AppConfig.ErrorMessage);
}
}
