VB.net ConnectionStrings object reference

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when connecting i get an error: object reference not set to instance of an object

Form1

Dim c As String = System.Configuration.ConfigurationManager.ConnectionStrings("My_ConnectionString").ConnectionString
Dim con As New SqlConnection(c)

App.config

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
    <connectionStrings>
      <add name="CON" providerName="MySql.Data.MySqlClient" connectionString="Server=localhost;Database=DATABASE_;Uid=user;Pwd=pass" />
    </connectionStrings>
</configuration>

I have no idea how to fix this issue...

This works

Dim con As New SqlConnection("Server=localhost;Database=DATABASE_;Uid=user;Pwd=pass")

Ultimately i am trying to protect my connection string.

asked 54 secs ago

user3466723

3

VB.net ConnectionStrings object reference