现在dref并不是未指向任何引用,而是指向一个无效的引用,因此dref同时满足IS NOT INITIAL和IS NOT BOUND. IS ASSIGNED 一个field symbol定义之后,如果不为其分配内存区域,则IS ASSIGNED返回abap_false. 下面的代码,如果注释掉第27行的IF条件: 运行时会抛出GETWA_NOT_ASSIGNED错误:Field sy
ABAP里的IS BOUND, IS NOT INITIAL和IS ASSIGNED这组关键字,如果平时不留心,很容易理解地似是而非。今天我们就来说一说它们的区别。 先把SAP帮助文档抄过来: IS BOUND It checks whether a reference variable …
比如如果变量是日期类型,它初始值就有可能是 ‘00000000’. 改变日期类型为’0000’,满足space条件但是不满足is initial。会发生错误 所以在判断变量是否为初始值的时候应该用is initial SPACE 是什么 空白
您还可以创建过滤器 BAdIs,这意味着 BAdIs 是在过滤数据的基础上定义的,这是增强技术所无法实现的。SAP 7.0 版重新定义了 BAdIs 的概念,其目标如下:通过在 ABAP 语言中添加两个新元素来增强 SAP 系统中的标准应用程序,即 GET BADI 和CALL BADI。 为增强 SAP 系统中的标准应用程序提供更灵活的功能,如上下文...
SAP Managed Tags: ABAP Development This is now fixed. I left it for 24 hours, went back and it generated, so something not right in the system in the fact I created it but the system didn't recognise it as being in the abap dictionary immediately. ...
SAP ABAP workbench can be opened by two methods – 1. Logon to SAP R/3 system and click on the tool from SAP easy access screen, click on ABAP workbench and start to work workbench. 2. Enter transaction code “S001” in the SAP command field and press enter, then a new screen open...
Update graphic name Object, ID, Color attribute and Resolution. Now active the form, click on form and then select active (shift+f3) Successfully Smartform has been created in SAP ABAP. Now you can use the same process to create any number of SAP Smartforms....
SAP Managed Tags ABAP Development ABAP RESTful Application Programming Model Hello Experts, Is editing the key field values of a table are not controlled in ABAP restful programming ? I have a managed application and in my table there are three key fields . So when the user clicks on the lin...
ENDLOOP. CATCH cx_os_object_not_existing. ENDTRY. Maybe, that the CAST-Statement is sufficient, but casting directly in the loop statement maybe a little bit smarter. The line doing the casting is quite obvious and can be supported by the abap language like the way of all the 'new' ...
SAP NetWeaver Enhancement Package 2 for SAP NetWeaver 7, which is delivered with Enhancement Package 5 of SAP ERP, brings a whole series of new ABAP Language features