Kexi/Handbook/Building Simple Databases/Designing Forms/Most important terms/da: Difference between revisions
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:Formularens elementer. De vigtigste typer af kontroller er: | :Formularens elementer. De vigtigste typer af kontroller er: | ||
:* | :* Kontroller, som fremviser information, for eksempel en tekstboks eller en billedboks. Enhver kontrol at denne type kan bindes til et felt i en datakilde (en tabel- eller forespørgselssøjle). Sådanne kontroller kaldes under et for formularfelter. | ||
:* Widgets able to perform a specified action, e.g. a push button that can close the current form. Within other applications this widget type is sometimes called form control because it can perform previously defined action of controlling your database application's behavior. | :* Widgets able to perform a specified action, e.g. a push button that can close the current form. Within other applications this widget type is sometimes called form control because it can perform previously defined action of controlling your database application's behavior. | ||
:* Other widgets allowing to enrich a form's appearance, e.g. a “line widget” can visually separate two form areas. | :* Other widgets allowing to enrich a form's appearance, e.g. a “line widget” can visually separate two form areas. | ||
Revision as of 08:34, 16 April 2012
De vigtigste begreber
- Formular
- Et vindue, som gør det let at indtaste data og præsentere dem på skærmen.
- Formulars datakilde
- Databesetabel eller -forespørgsel, som vises i formularen. Der skal være en datakilde, for formularen selv er kun et værktøj til at indtaste og fremvise data, mens data findes i tabeller og forespørgsler. En ny, tom formular har ingen datakilde tilknyttet, så de fremviser ingen data fra din database før du har knyttet en datakilde til dem.
- Formularfelt
- Svarer direkte til en søjle i en tabel eller forespørgsel. Oftest bruges felter til at fremvise tekst og tal. Indtaster du en ny værdi eller ændrer en eksisterende værdi af sådan et felt, så ændres den dertil bundne tabel- eller forespørgselssøjle (efter at du har accepteret ændringen).
- Formulardesign
- Handlinger du udfører for at definere formularens udseende og funktion. For at kunne dette skal du angive en datakilde, indsætte formularfelter af forskellig art og placere dem på passende steder.
- Formularkontrol
:Formularens elementer. De vigtigste typer af kontroller er:
- Kontroller, som fremviser information, for eksempel en tekstboks eller en billedboks. Enhver kontrol at denne type kan bindes til et felt i en datakilde (en tabel- eller forespørgselssøjle). Sådanne kontroller kaldes under et for formularfelter.
- Widgets able to perform a specified action, e.g. a push button that can close the current form. Within other applications this widget type is sometimes called form control because it can perform previously defined action of controlling your database application's behavior.
- Other widgets allowing to enrich a form's appearance, e.g. a “line widget” can visually separate two form areas.
- Container widget
- A widget that can contain other widgets within its area. For example, frame widget or tab widget are containers. The form's surface itself is a container as well. A command button cannot be called as container because it is not possible to insert a widget inside it. In more complex cases, container widgets can be inserted inside a container, so nesting is possible.