DataProvider.DeriveDataSource Method

Determines which data source supported by this DDEX provider is represented by the given connection string.

Namespace:  Microsoft.VisualStudio.Data
Assembly:  Microsoft.VisualStudio.Data (in Microsoft.VisualStudio.Data.dll)

Syntax

'宣言
Public MustOverride Function DeriveDataSource ( _
    connectionString As String _
) As Guid
'使用
Dim instance As DataProvider
Dim connectionString As String
Dim returnValue As Guid

returnValue = instance.DeriveDataSource(connectionString)

public abstract Guid DeriveDataSource(
    string connectionString
)

public:
virtual Guid DeriveDataSource(
    String^ connectionString
) abstract

public abstract function DeriveDataSource(
    connectionString : String
) : Guid

Parameters

• connectionString
  Type: System.String

  A connection string recognized by this DDEX provider.

Return Value

Type: System.Guid

Returns the DDEX data source GUID that this connection string represents, or returns Guid.Empty if no data source can be derived.

Permissions

• Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.

See Also

Reference

DataProvider Class

DataProvider Members

Microsoft.VisualStudio.Data Namespace