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Can't get ODBC cursoradapter to use Cursor Schema
Message
De
15/08/2003 13:37:28
Tom Johnson
Plymouth Rock Technology, Inc.
Plymouth, Massachusetts, États-Unis
 
 
À
15/08/2003 13:19:40
Information générale
Forum:
Visual FoxPro
Catégorie:
Client/serveur
Divers
Thread ID:
00820329
Message ID:
00820595
Vues:
21
Aleksky,

I managed to get it to work by not calling CursorFill from within BeforeCursorFill.

My Northwind sample is listed below. The CA examples I've run across so far are way to complex ... I'm trying to build some simpler ones that demonstrate "Best Practices".

Thanks,

Tom Johnson


x=CREATEOBJECT("nwDataEnv")
x.opentables()
SELECT crsOrders
BROWSE


DEFINE CLASS OdbcCursorAdapter AS cursoradapter
UseDeDataSource = .T.
DataSourceType = "ODBC"
BufferModeOverride=5
ForceUseCursorSchema=.T. && My Property not VFPs
BreakOnError=.T.

PROCEDURE BeforeCursorFill
LPARAMETERS luseCursorSchema, lNoDataOnLoad, cSelectCmd
lUseCursorSchema=iif(this.ForceUseCursorSchema,.T.,lUseCursorSchema)
ENDPROC

ENDDEFINE



DEFINE CLASS nwDataEnv AS dataenvironment

Width = 520
Height = 200
DataSource = .NULL.
DataSourceType = "ODBC"
Name = "nwDataEnv"

PROCEDURE BeforeOpenTables
set multilocks on
This.DataSource = sqlstringconnect([dsn=Northwind;uid=sa;trusted_connection=no])
ENDPROC

ADD OBJECT caOrders as ODBCcursoradapter WITH ;
CursorSchema = "ORDERID I, ORDERDATE D, REQUIREDDATE T,SHIPPEDDATE T", ; && ORDERDATE NOT AS DATETIME
Alias = "crsOrders", ;
Name = "caOrders", ;
paramCustomerId='TOMSP' && parameter passed to sproc

PROCEDURE CaOrders.Init()
this.SelectCmd="EXEC CustOrdersOrders ?this.paramCustomerId"
ENDPROC

ENDDEFINE
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