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Form system data source data-binding method

A data-binding technology, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve the problems of large amount of setup operations and long search time, so as to improve operating efficiency, ensure accurate operation, and solve search time. long effect

Inactive Publication Date: 2012-03-14
ZHEJIANG UNIV
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Problems solved by technology

[0011] The present invention realizes the dynamic binding of the data source and the control through the following method, so as to solve the problem of large amount of operations for establishing the binding relationship in complex form design and the long search time caused by the change of the data set

Method used

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  • Form system data source data-binding method
  • Form system data source data-binding method

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Embodiment Construction

[0029] The specific embodiments of the present invention are described below with reference to the accompanying drawings.

[0030] 1. Storage of binding relationship in xml file

[0031] In this specific implementation manner, the three binding relationships in the present invention—value, binary relationship table, and matching mode—are represented by character strings Value, Table and Match, respectively. In the Match type, the strings Equal and EqualIgnoreCase are used to represent the same matching of characters and the same matching of characters ignoring case.

[0032] In this specific implementation, an xml file is used to store the binding relationship, and the binding relationship storage description is as follows image 3 .

[0033] For simple binding, for example, to bind the control text1 of Text type to the field element name in the dataset dataset1, the binding relationship object is (Value, name), and the xml file when stored in the control is:

[0034]

[...

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Abstract

The invention provides a form system data source data-binding method, concretely a method for binding the data concentration data on a control in a form design, in order to solve the problem that the searching time is long due to large manipulated quantity of binding relation establishment and data set change in a complex form design. The method uses the binding relation object comprising the binding relation type and the binding relation value to represent the binding relation and manages the binding relation by setting an overall binding relation matrix, convenient for the operation of the binding implement and the form program run efficiency is increased.

Description

technical field [0001] The invention belongs to the field of data binding, and particularly relates to the association of a data set and a control, including a binding method of a data set field element and a control, and the maintenance, storage and restoration of the binding relationship. Background technique [0002] Data binding is to establish a mapping mechanism between data objects and controls. Data binding, traditionally divided into static and dynamic binding, is also divided into simple binding and complex binding. In static binding, the binding model is fixed, and it will not change after the data binding is established. Dynamic binding, information between models and views may change at any time, and binding requires dynamic maintenance. Simple binding refers to single-value mapping, where one control is bound to one data field element. Complex bindings are one-to-many, many-to-one and many-to-many mappings. One control can be associated with multiple dataset...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/44G06F17/30
Inventor 尹建伟杨显发吴朝晖李莹吴健邓水光
Owner ZHEJIANG UNIV
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