Writing to an external config file.

[Martin Hart]

Hi:

I am having trouble writing to an external .config file (a .config file
from another application, not the running application)

Below I have included the code I am using, but although no exception or
error is thrown, noting is written to the file! All the sections and
elements exist in the .config file and the debugger passes through each
scenario.

Can anyone please help me?

TIA,
Martin.

Code
****


private void saveToExternalConfigFile()
{
ExeConfigurationFileMap fileMap = new ExeConfigurationFileMap();
fileMap.ExeConfigFilename = @"MovilGesNet.exe.config";
Configuration config =
ConfigurationManager.OpenMappedExeConfiguration(fileMap,
ConfigurationUserLevel.None);
ConfigurationSectionGroup seccion =
config.GetSectionGroup("applicationSettings");
if(seccion != null)
{
ClientSettingsSection secPropertiesSettings =
seccion.Sections["MovilGesNet.Properties.Settings"] as
ClientSettingsSection;
if(secPropertiesSettings != null)
{
foreach(SettingElement element in secPropertiesSettings.Settings)
{
switch(element.Name)
{
case "Host":
element.Value.ValueXml.InnerText = "MyNewAppText";
break;
}
}
}
}
seccion = config.GetSectionGroup("userSettings");
if(seccion != null)
{
ClientSettingsSection secPropertiesSettings =
seccion.Sections["MovilGesNet.Properties.Settings"] as
ClientSettingsSection;
if(secPropertiesSettings != null)
{
foreach(SettingElement element in secPropertiesSettings.Settings)
{
switch(element.Name)
{
case "PathPdaImport":
element.Value.ValueXml.InnerText = "MyNewUserText";
break;
}
}
}
}
config.Save(ConfigurationSaveMode.Full); // Not doing anything!
}

 

[Oliver Sturm]

Hello Martin,

I've only had a quick look at your code, but:

ConfigurationSectionGroup seccion = config.GetSectionGroup("applicationSettings");
if(seccion != null)
{
ClientSettingsSection secPropertiesSettings = seccion.Sections["MovilGesNet.Properties.Settings"] as ClientSettingsSection;

I'm not sure if this results in anything. I think the section might be of
type DefaultSection under these circumstances. Are you sure the following
block of code is actually executed in your app? Maybe you're not really
making any changes after all.

if(secPropertiesSettings != null)
{
...
}

Oliver Sturm

 

[Martin Hart]

Oliver:

Firstly, nice to see you here

Secondly, I have traced the code execution and I do hit the lines that
actually make the changes:
e.g.
element.Value.ValueXml.InnerText = "MyNewAppText";

If I ask for the value of the element, it shows me the new value, so it
is changing in memory, it's just the .Save that does nothing - no error,
no exception - no save!!

Any further ideas would be gratefully accepted )

Regards,
Martin.


Oliver Sturm escribió:

Hello Martin,

I've only had a quick look at your code, but:

ConfigurationSectionGroup seccion =
config.GetSectionGroup("applicationSettings");
if(seccion != null)
{
ClientSettingsSection secPropertiesSettings =
seccion.Sections["MovilGesNet.Properties.Settings"] as
ClientSettingsSection;

I'm not sure if this results in anything. I think the section might be
of type DefaultSection under these circumstances. Are you sure the
following block of code is actually executed in your app? Maybe you're
not really making any changes after all.

if(secPropertiesSettings != null)
{
...
}

Oliver Sturm

 

[Oliver Sturm]

Hello Martin,

Any further ideas would be gratefully accepted )

Sorry, I don't have any for the time being... If you want to, feel free to
send me a program that reproduces your issue and I'll have a look to see
whether I can help you.


Oliver Sturm

 

[Martin Hart]

Oliver:

Okay, I solved it. There is a 'secret' property that must be set before
saving is enabled.

The code is:
seccion.SectionInformation.ForceSave = true;

It not enough to just change the ValueXml, you must also force the save.

Thanks for your help, see you in the DevEx forums!!!

Regards,
Martin.

Oliver Sturm escribió: