Save Configuration settings dynamically
120526
update app.config file programmatically with ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
88821
How do I get and set Environment variables in C#?
102124
Change default app.config at runtime
151689
Dynamically creating zip with php
149539
Reading and Writing Configuration Files
86621
Programmatically access the  section of a web.config?
137461
Multiple values for a single config key
146901
Can't save settings after copying site to new server
84736
How to reset evolution settings to defaults?
80541
Can attributes be added dynamically in C#?
143914
How do I create a static permanent ifconfig alias?
23020
Loading custom configuration files
95325
Variables within app.config/web.config
117983
Configuration Manager or hook_update() to enable modules
123288
Dynamically set local variable
25086
Can I control the location of .NET user settings to avoid losing settings on application upgrade?
3219
Persist variables between page loads