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WINDEV的在线文档

  • Overview
  • Summary diagram
  • Notes
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产品
WinDevWebDev-服务器代码WebDev-浏览器代码WinDev Mobile报表和查询
平台
WindowsLinuxWindows MobileWindows PhoneWindows Store appsAndroidAndroid Widget iPhone/iPad
语言
JavaPHPAjax用户代码(MCU)外部语言
数据库
HFSQLHFSQL Client/Server存储过程HF 5.5OLE DBODBC本地访问

Overview
A window or a page can display information coming from:
  • a database: the controls are directly linked to the items of the data files or queries available in the database.
  • variables found in the code of the application (global variables of the window, page or project, class members, ...).
  • 15版本和更高版本
    members or properties of .Net objects.
    15新版本
    members or properties of .Net objects.
    members or properties of .Net objects.
  • 15版本和更高版本
    .Net Object variables (to WLanguage arrays containing .Net Objects).
    15新版本
    .Net Object variables (to WLanguage arrays containing .Net Objects).
    .Net Object variables (to WLanguage arrays containing .Net Objects).
To display this information in a window or in a page, the controls found this window or in this page must be linked to:
  • the different items of the database.
  • the available WLanguage variables (Databinding).
The method for displaying and retrieving the information is straightforward:

Summary diagram
 

Notes
  • When performing a Drag and Drop of an item or variable toward a page or a window, the corresponding control is automatically created, with the corresponding link.
    See Databinding from the project explorer for more details.
  • Most types of controls can be linked to an item found in a data file or to a variable. See the documentation about this type of control for more details.
  • The databinding on the Table controls requires a specific management: the method for managing the tables on source differs from the method for managing the browsing tables. See Specific features of databinding on the Table control for more details.
  • Limitations:
    • The two-dimensional WLanguage arrays cannot be used by the databinding.
    • The associative array cannot be used by the databinding.