Add data in web config at run time

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C#

ASP.NET

How we can add data or edit web.config file in asp dot net.

Posted 22-Apr-13 22:52pm

kashmir11

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StianSandberg 23-Apr-13 4:54am

As the filename says, it's a config file. You really should not add data to that file at runtime. What kind of data are you trying to add?

RoelofJanster 23-Apr-13 4:57am

I am doing an SDK integration and there is already a config file but it doesn't contain the connectionstrings section. I need to add that at run time if it doesn't exist(to avoid user interference with the config file). It is an Windows Application.

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bbirajdar · Answer 1 · 2013-04-22T23:07:00

Solution 1

No idea why you want this. Because editing the web.config will recycle the AppPool and application will be restarted.

Still , use Edit and Encrypt Web.Config Sections Using C# 2.0[^]

Posted 22-Apr-13 23:07pm

bbirajdar

Comments

_Amy 23-Apr-13 5:26am

5'd

bbirajdar 23-Apr-13 5:32am

Thank you _Amy

StianSandberg · Answer 2 · 2013-04-22T23:11:00

C#

// You will have to load the config somehow. Either by the exe filename or the config filepath directly 
var cfg = ConfigurationManager.OpenExeConfiguration(Assembly.GetExecutingAssembly().Location);
var setting = new ConnectionStringSettings
                    {
                        ConnectionString = "hello=123",
                        Name = "123test"
                    }
cfg.ConnectionStrings.ConnectionStrings.Add(setting);
cfg.Save();

you can load a web.config file by using WebConfigurationManager.OpenWebConfiguration Method[^]