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Connection Strings

Posted on 2007-11-28
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Last Modified: 2008-02-01
This is not an exam or homework

You have created the following connection string entry in the web.config:
<connectionStrings>
<add name="TestConnectionString" connectionString="Data Source=Test;Datbase=Test;UID=google;Password=google" providerName="System.Data.SQLClient"/>
<connectionStrings>

Which of the following code segments reads the connection string information from the web.config and assigns it to a SQLConnection object?

1.
Imports System.Configuration
Imports System.Data.SqlClient
...
Dim con As New SqlConnection
con.ConnectionString = ConfigurationManager.ConnectionStrings("TestConnectionString")
 
2.
Imports System.Configuration
Imports System.Data.SqlClient
...
Dim con As New SqlConnection
con.ConnectionString = ConfigurationManager.RetrieveConnectionString("TestConnectionString")
 
3.
Imports System.Configuration
Imports System.Data.SqlClient
...
Dim con As New SqlConnection
con.ConnectionString = ConfigurationManager.GetConnectionString("TestConnectionString")
 
4.
Imports System.Configuration
Imports System.Data.SqlClient
...
Dim con As New SqlConnection
con.ConnectionString = ConfigurationManager.ConnectionStrings("TestConnectionString").ConnectionString
0
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Question by:cybernation989
  • 2
4 Comments
 
LVL 39

Expert Comment

by:Pratima Pharande
ID: 20364235
Dim rootWebConfig As System.Configuration.Configuration
    rootWebConfig = System.Web.Configuration.WebConfigurationManager.OpenWebConfiguration("/MyWebSiteRoot")
Dim connString As System.Configuration.ConnectionStringSettings
If (0 < rootWebConfig.ConnectionStrings.ConnectionStrings.Count) Then
    connString = rootWebConfig.ConnectionStrings.ConnectionStrings("NorthwindConnectionString")
    If Not (Nothing = connString.ConnectionString) Then
        Console.WriteLine("Northwind connection string = {0}", connString.ConnectionString)
    Else
        Console.WriteLine("No Northwind connection string")
    End If
End If
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LVL 39

Accepted Solution

by:
Pratima Pharande earned 250 total points
ID: 20364238
0
 
LVL 7

Expert Comment

by:Infinite_Recursion
ID: 20364702
this is funny, why don't you just post the whole exam to save us time
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LVL 5

Assisted Solution

by:rajups
rajups earned 250 total points
ID: 20365020
Hi,
1 is the correct answer.

All the best,
Raju P. S
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