SqlConnection.ChangeDatabase(String) Method

Definition

Namespace:

System.Data.SqlClient

Assembly:

System.Data.dll

Changes the current database for an open SqlConnection.

public:
 override void ChangeDatabase(System::String ^ database);

public override void ChangeDatabase (string database);

override this.ChangeDatabase : string -> unit

Public Overrides Sub ChangeDatabase (database As String)

Parameters

database

String

The name of the database to use instead of the current database.

Exceptions

ArgumentException

The database name is not valid.

InvalidOperationException

The connection is not open.

SqlException

Cannot change the database.

Examples

The following example creates a SqlConnection and displays some of its read-only properties.

private static void ChangeSqlDatabase(string connectionString)
{
    // Assumes connectionString represents a valid connection string
    // to the AdventureWorks sample database.
    using (SqlConnection connection = new SqlConnection(connectionString))
    {
        connection.Open();
        Console.WriteLine("ServerVersion: {0}", connection.ServerVersion);
        Console.WriteLine("Database: {0}", connection.Database);

        connection.ChangeDatabase("Northwind");
        Console.WriteLine("Database: {0}", connection.Database);
    }
}

Private Sub ChangeSqlDatabase(ByVal connectionString As String)
    ' Assumes connectionString represents a valid connection string
    ' to the AdventureWorks sample database.
    Using connection As New SqlConnection(connectionString)

        connection.Open()
        Console.WriteLine("ServerVersion: {0}", connection.ServerVersion)
        Console.WriteLine("Database: {0}", connection.Database)

        connection.ChangeDatabase("Northwind")
        Console.WriteLine("Database: {0}", connection.Database)
    End Using
End Sub

Remarks

The value supplied in the database parameter must be a valid database name. The database parameter cannot contain a null value, an empty string, or a string with only blank characters.

See also

• Connecting to a Data Source in ADO.NET
• SQL Server and ADO.NET
• ADO.NET Overview