Api.RetrieveColumnAsInt32 method (JET_SESID, JET_TABLEID, JET_COLUMNID, RetrieveColumnGrbit)
Retrieves an int32 column value from the current record. The record is that record associated with the index entry at the current position of the cursor.
Namespace: Microsoft.Isam.Esent.Interop
Assembly: Microsoft.Isam.Esent.Interop (in Microsoft.Isam.Esent.Interop.dll)
Syntax
'Declaration
Public Shared Function RetrieveColumnAsInt32 ( _
sesid As JET_SESID, _
tableid As JET_TABLEID, _
columnid As JET_COLUMNID, _
grbit As RetrieveColumnGrbit _
) As Nullable(Of Integer)
'Usage
Dim sesid As JET_SESID
Dim tableid As JET_TABLEID
Dim columnid As JET_COLUMNID
Dim grbit As RetrieveColumnGrbit
Dim returnValue As Nullable(Of Integer)
returnValue = Api.RetrieveColumnAsInt32(sesid, _
tableid, columnid, grbit)
public static Nullable<int> RetrieveColumnAsInt32(
JET_SESID sesid,
JET_TABLEID tableid,
JET_COLUMNID columnid,
RetrieveColumnGrbit grbit
)
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.
grbit
Type: Microsoft.Isam.Esent.Interop.RetrieveColumnGrbitRetrieval options.
Return value
Type: System.Nullable<Int32>
The data retrieved from the column as an int. Null if the column is null.