api.retrievecolumnasuint64-method-jet-sesid-jet-tableid-jet-columnid-.md

description	title	TOCTitle	ms:assetid	ms:mtpsurl	ms:contentKeyID	ms.date	ms.topic	dev_langs	api_name	topic_type	api_type	api_location	ROBOTS
Learn more about: Api.RetrieveColumnAsUInt64 method (JET_SESID, JET_TABLEID, JET_COLUMNID)	Api.RetrieveColumnAsUInt64 method (JET_SESID, JET_TABLEID, JET_COLUMNID)	RetrieveColumnAsUInt64 method (JET_SESID, JET_TABLEID, JET_COLUMNID)	M:Microsoft.Isam.Esent.Interop.Api.RetrieveColumnAsUInt64(Microsoft.Isam.Esent.Interop.JET_SESID,Microsoft.Isam.Esent.Interop.JET_TABLEID,Microsoft.Isam.Esent.Interop.JET_COLUMNID)	https://msdn.microsoft.com/library/microsoft.isam.esent.interop.api.retrievecolumnasuint64(v=EXCHG.10)	55100864	07/30/2014	reference	vb csharp	Microsoft.Isam.Esent.Interop.Api.RetrieveColumnAsUInt64	apiref kbSyntax	Managed	Microsoft.Isam.Esent.Interop.dll	INDEX,FOLLOW

Api.RetrieveColumnAsUInt64 method (JET_SESID, JET_TABLEID, JET_COLUMNID)

Retrieves a uint64 column value from the current record. The record is that record associated with the index entry at the current position of the cursor.

This API is not CLS-compliant. 

Namespace:  Microsoft.Isam.Esent.Interop
Assembly:  Microsoft.Isam.Esent.Interop (in Microsoft.Isam.Esent.Interop.dll)

Syntax

'Declaration
<CLSCompliantAttribute(False)> _
Public Shared Function RetrieveColumnAsUInt64 ( _
    sesid As JET_SESID, _
    tableid As JET_TABLEID, _
    columnid As JET_COLUMNID _
) As Nullable(Of ULong)
'Usage
Dim sesid As JET_SESID
Dim tableid As JET_TABLEID
Dim columnid As JET_COLUMNID
Dim returnValue As Nullable(Of ULong)

returnValue = Api.RetrieveColumnAsUInt64(sesid, _
    tableid, columnid)

[CLSCompliantAttribute(false)]
public static Nullable<ulong> RetrieveColumnAsUInt64(
    JET_SESID sesid,
    JET_TABLEID tableid,
    JET_COLUMNID columnid
)

Parameters

• sesid
  Type: Microsoft.Isam.Esent.Interop.JET_SESID

  The session to use.

• tableid
  Type: Microsoft.Isam.Esent.Interop.JET_TABLEID

  The cursor to retrieve the column from.

• columnid
  Type: Microsoft.Isam.Esent.Interop.JET_COLUMNID

  The columnid to retrieve.

Return value

Type: System.Nullable<UInt64>
The data retrieved from the column as an UInt64. Null if the column is null.

See also

Reference

Api class

Api members

RetrieveColumnAsUInt64 overload

Microsoft.Isam.Esent.Interop namespace