ConnectionStringsSection Class
.NET Framework 2.0
Note: This class is new in the .NET Framework version 2.0.
Provides programmatic access to the connection strings configuration-file section.
Namespace: System.Configuration
Assembly: System.Configuration (in system.configuration.dll)
Assembly: System.Configuration (in system.configuration.dll)
The ConnectionStringsSection class allows you to programmatically modify the connectionStrings section of the configuration file. The connection strings are provided as a ConnectionStringSettingsCollection of ConnectionStringSettingsadd configuration elements.
| Topic | Location |
|---|---|
| How to: Read Connection Strings from the Web.config File | Configuring ASP .NET Web Applications |
| How to: Access SQL Server Using Predetermined Credentials | Building ASP .NET Web Applications |
| How to: Secure Connection Strings When Using Data Source Controls | Building ASP .NET Web Applications |
| How to: Read Connection Strings from the Web.config File | Configuring ASP .NET Web Applications |
| How to: Access SQL Server Using Predetermined Credentials | Building ASP .NET Web Applications |
| How to: Secure Connection Strings When Using Data Source Controls | Building ASP .NET Web Applications |
| How To: Secure Connection Strings when Using Data Source Controls (Visual Studio) | Building ASP .NET Web Applications in Visual Studio |
The following example shows how to use the ConnectionStringsSection.
' Create a connectionn string element and add it to ' the connection strings section. Shared Sub New() ' Get the application configuration file. Dim config _ As System.Configuration.Configuration = _ ConfigurationManager.OpenExeConfiguration( _ ConfigurationUserLevel.None) ' Get the current connection strings count. Dim connStrCnt As Integer = _ ConfigurationManager.ConnectionStrings.Count ' Create the connection string name. Dim csName As String = "ConnStr" + connStrCnt.ToString() ' Create a connection string element and ' save it to the configuration file. ' Create a connection string element. Dim csSettings _ As New ConnectionStringSettings( _ csName, _ "LocalSqlServer: data source=127.0.0.1;Integrated Security=SSPI;" + _ "Initial Catalog=aspnetdb", "System.Data.SqlClient") ' Get the connection strings section. Dim csSection _ As ConnectionStringsSection = _ config.ConnectionStrings ' Add the new element. csSection.ConnectionStrings.Add(csSettings) ' Save the configuration file. config.Save(ConfigurationSaveMode.Modified) End Sub 'New
The following excerpt shows the configuration used by the previous example.
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<connectionStrings>
<add name="ConnStr1" connectionString="LocalSqlServer: data source=127.0.0.1;Integrated Security=SSPI;Initial Catalog=aspnetdb"
providerName="System.Data.SqlClient" />
</connectionStrings>
</configuration>
System.Object
System.Configuration.ConfigurationElement
System.Configuration.ConfigurationSection
System.Configuration.ConnectionStringsSection
System.Configuration.ConfigurationElement
System.Configuration.ConfigurationSection
System.Configuration.ConnectionStringsSection
Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.
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