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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 long search time and large amount of setup operations, to improve operating efficiency, solve long search time, and ensure accurate effect of operation

Inactive Publication Date: 2009-10-28
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

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Embodiment Construction

[0029] The specific implementation manner of the present invention will be described below with reference to the accompanying drawings.

[0030] 1. The storage of the binding relationship in the xml file

[0031] In this specific implementation manner, the three binding relationships in the present invention—value, binary relational table, and matching mode are represented by 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, respectively.

[0032] In this specific embodiment, the binding relationship is stored in an xml file, and the binding relationship storage description is as follows image 3 .

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

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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 in particular relates to the association between data sets and controls, including a binding method between data set field elements and controls 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 will not change after the data binding is established. Dynamic binding, information may change at any time between the model and the view, and the binding requires dynamic maintenance. Simple binding refers to single value mapping, a control is bound to a data field element. Complex binding is a one-to-many, many-to-one and many-to-many mapping. A control can be associated with multiple dataset ...

Claims

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Application Information

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Patent Type & Authority Applications(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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