Public Function AddDataSourceInstance( _
   ByVal type As String, _
   ByVal name As String, _
   ByVal identity As String, _
   ByVal definition As String _
) As ESRI.ArcGIS.ADF.Web.DataSources.IGISDataSource

Dim instance As DataSourceManager
Dim type As String
Dim name As String
Dim identity As String
Dim definition As String
Dim value As ESRI.ArcGIS.ADF.Web.DataSources.IGISDataSource
 
value = instance.AddDataSourceInstance(type, name, identity, definition)

public ESRI.ArcGIS.ADF.Web.DataSources.IGISDataSource AddDataSourceInstance( 
   string type,
   string name,
   string identity,
   string definition
)