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help me write a public class to return a connectionstring, because i have a connectionstring on every single page

Posted on 2006-07-05
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Last Modified: 2010-04-23
hi
how do other developers approach this?

(im migrating from 2003 to 2005 in the next few months)
i'd like to change my 2003 project
on each and every single page i declare:


 i'd like to write a function in a public class where i create a connectionstring.
currently on every single form i have, i declare
dim mySqlConnection As SqlConnection

and in the load section i do this
mySqlConnection = New SqlConnection(System.Configuration.ConfigurationSettings.AppSettings.Get("ConnectionString"))


could you pls help me write a sub or function where i could have this in a public class
and where i can call it from every page?

now when i convert from 2003 to 2005 i can just replace
mySqlConnection = New SqlConnection(System.Configuration.ConfigurationSettings.AppSettings.Get("ConnectionString"))
mySqlConnection = New SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings("Your connection string name").ConnectionString)


how do you do it?
thanks!

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Question by:jxharding
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2 Comments
 
LVL 52

Accepted Solution

by:
Carl Tawn earned 2000 total points
ID: 17042124
If you just want to simplify the mechanism of retrieving your connection string you can use something like:

Public Class Settings
    Private Shared connString As String = String.Empty

    Public Shared ReadOnly Property ConnectionString() As String
        Get
            If connString = String.Empty Then
                connString = System.Configuration.ConfigurationManager.ConnectionStrings("Your connection string name").ConnectionString
            End If
            Return connString
        End Get
    End Property

End Class

Then use it like:

    Dim s As String = Settings.ConnectionString
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Author Comment

by:jxharding
ID: 17042410
thanks!!
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