错误提示:NULL Object reference at line 3 in clicked event of object cb_1 of w_1
如题.
程序运行中报错:application terminated Error:
NULL Object reference at line 3 in clicked event of object cb_1 of w_1
我在cb_1的clicked 事件中调用了一个存储过程,然后就报错了。
Functions name:of_buildorderno
String ls_OrderNO
Boolean lb_AutoCommit
lb_AutoCommit=SQLCA.AutoCommit
SQLCA.AutoCommit=True
DECLARE P_BuildOrderNO PROCEDURE FOR BuildOrderNO
@OrderNO= :ls_OrderNO OUTPUT;
EXECUTE P_BuildOrderNO;
IF SQLCA.SQLCode<>0 THEN
MessageBox("存储过程BuildOrderNO执行错误",SQlCA.SQLErrText)
END IF
FETCH P_BuildOrderNO INTO :ls_OrderNO;
IF SQLCA.SQLCode<>0 THEN
MessageBox("存储过程BuildOrderNO执行错误",SQlCA.SQLErrText)
END IF
CLOSE P_BuildOrderNO;
SQLCA.AutoCommit=lb_AutoCommit
COMMIT;
Return ls_OrderNO
然后再cb_1控件的clicked 事件 中写了这句话
String Is_OrderNO
Long Il_Row
Is_OrderNO=uo_sql.of_buildorderno()
Il_Row=dw_1.InsertRow(0)
dw_1.object.Orderno[Il_Row]=Is_OrderNO
运行后就报那样的错误 。
请问各路高手如何解决呀。
高分求解阿。