SqlFunctionAttribute Class
Used to mark a method definition of a user-defined aggregate as a function in SQL Server. The properties on the attribute reflect the physical characteristics used when the type is registered with SQL Server.
Assembly: System.Data (in System.Data.dll)
The following example shows an aggregate function that returns a list of files in the specified directory path.
<SqlFunction(FillRowMethodName:="FillFileRow")> _ Public Shared Function GetFileDetails(ByVal directoryPath As String) As IEnumerable Try Dim di As DirectoryInfo = new DirectoryInfo(directoryPath) return di.GetFiles() Catch dnf As DirectoryNotFoundException Dim message As String() = {dnf.ToString() } return message End Try End Function
System.Attribute
Microsoft.SqlServer.Server.SqlFunctionAttribute
Microsoft.SqlServer.Server.SqlMethodAttribute
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.