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_SESIDThe session to use.
tableid
Type: Microsoft.Isam.Esent.Interop.JET_TABLEIDThe cursor to retrieve the column from.
columnid
Type: Microsoft.Isam.Esent.Interop.JET_COLUMNIDThe 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
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