SqlFunctionAttribute Class
.NET Framework 3.0
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.
Namespace: Microsoft.SqlServer.Server
Assembly: System.Data (in system.data.dll)
Assembly: System.Data (in system.data.dll)
'Declaration <SerializableAttribute> _ <AttributeUsageAttribute(AttributeTargets.Method, AllowMultiple:=False, Inherited:=False)> _ Public Class SqlFunctionAttribute Inherits Attribute 'Usage Dim instance As SqlFunctionAttribute
/** @attribute SerializableAttribute() */ /** @attribute AttributeUsageAttribute(AttributeTargets.Method, AllowMultiple=false, Inherited=false) */ public class SqlFunctionAttribute extends Attribute
SerializableAttribute AttributeUsageAttribute(AttributeTargets.Method, AllowMultiple=false, Inherited=false) public class SqlFunctionAttribute extends Attribute
Not applicable.
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.Object
System.Attribute
Microsoft.SqlServer.Server.SqlFunctionAttribute
Microsoft.SqlServer.Server.SqlMethodAttribute
System.Attribute
Microsoft.SqlServer.Server.SqlFunctionAttribute
Microsoft.SqlServer.Server.SqlMethodAttribute
Windows 98, Windows Server 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 Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.Community Additions
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