Components of data control |
The visual components of operations with data are arranged on Data control page of Palette of components. They are intended for construction of the interface part of the application and are used for moving along a data set, and also for displaying and editing of records. The visual components of operations with data are similar to matching components of page Common and differ substantially that they are connected to the database and have additional properties Datafield name and Dataset name. For example, DB Text works the same as a component Text. These components are differed that the component "DB Text" displays the value of a definite field of a current record of a data set. All components of Data control page have properties: - Datafield name - defines the reference to a concrete field in the table submitted by data set. - Dataset name - defines the reference onto name of a component "Table" or "Query" which is providing the link with a concrete set of the information from DB. The note: the properties Datafield name and Dataset name are mandatory for filling.
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