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Storing a Connection String in My.Settings?

Posted on 2014-09-16
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Last Modified: 2014-09-17
I have not used the My.Settings feature very much so I'm not clear on all it's rules.

I have a setting called "strDBConnection" established in My.Settings. It's defined as "Connection String" along with it's value.

In design mode, I have a statement that won't work (see attachment). How do I resolve this?

Thanks!
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Question by:BlakeMcKenna
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6 Comments
 
LVL 1

Expert Comment

by:Andrea Antonangeli
ID: 40325678
You must define the setting as "User" to avoid the readonly attribute of the property you define in My.Settings

You probably have defined it as "Application"
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Author Comment

by:BlakeMcKenna
ID: 40325715
Yes, I do but I need the scope of that variable to be "Application". Is there a way to dynamically set that setting "strDBConnection" to where it will persist until changed again?
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LVL 1

Expert Comment

by:Andrea Antonangeli
ID: 40325831
I'm afraid there is no way to change the value of "strDBConnection" if you define it as "Appication".
It is Readonly by design.
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Author Comment

by:BlakeMcKenna
ID: 40326053
Actually, you can do it. I've seen the code before but don't have it nor do I remember it...
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LVL 75

Accepted Solution

by:
käµfm³d   👽 earned 500 total points
ID: 40327319
Connection strings should really go in the <connectionStrings> section of your app.config--it's a commonly accepted convention. You can access the values by way of:

Dim conString As String = System.Configuration.ConfigurationManager.ConnectionStrings("con string name").ConnectionString

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...once you've added a reference to System.Configuration.dll.
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Author Closing Comment

by:BlakeMcKenna
ID: 40327951
Thanks KaufMed...that worked great!
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