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Understanding How MVGs are Implemented

This section summarizes how MVGs are implemented. It covers the following topics:

• About the Originating Applet of an MVG
• About the Originating Business Component of an MVG
• About the Multi-Value Link
• About the Link Object
• About the MVG Business Component

Multi-value group applets are implemented using object types illustrated in Figure 86.

Figure 86.  Multi-Value Group Architecture

Figure 87 shows the object definitions used in the implementation of a multi-value group applet in greater detail, and identifies their interrelationships.

Figure 87.  Multi-Value Group Details

The roles of the object definitions in Figure 87 are summarized in the following list and discussed in greater detail in the subsequent sections. The multi-value group example refers to the Account Address MVG applet illustrated in Figure 85.

Each of the following objects is discussed in greater detail in the following sections.

• Originating applet. Contains the control or list column that invokes the multi-value group applet. In the example, the originating applet is called Account Entry applet.
• Originating business component. Business component of the originating applet. This business component (in the example, the Account business component) supplies the data presented in the originating applet (Account Entry applet).
• Multi-value fields. Fields in the originating business component that are populated by the multi-value link. Data population relationship is indicated by the presence of the multi-value link's name in their multi-value link property. The Field property in each identifies the corresponding field in the multi-value group business component that provides its data. Multi-value fields used in this multi-value group situation are Street Address, Address Id, City, Country, Fax Number, Postal Code, and State.

  NOTE:  If the field is a multi-value field, then the Required attribute will be ignored. In this case you can use a script in Siebel VB or Siebel eScript or the primary address field, if it exists.

• Multi-value links. Child of the originating business component. It identifies the link that provides the field values from the multi-value group business component. In the example, the multi-value link is Business Address.
• Links. Specifies the master-detail relationship between the originating and multi-value group business components. This is a property of the Multi Value Link object definition from which the fields in the originating business component obtain their values. In the example, the link is Account/Business Address.
• Multi-value group applet. Dialog box that appears when the user clicks on the ellipsis button in the originating applet. It lists the multi-value group business component records that are detail records in the master-detail relationship with the current originating business component record. It also provides the means to add, edit, and delete detail records. In the example, the multi-value group applet is called Account Address MVG Applet.
• Multi-value group business component. Stores the detail records of the master-detail relationship with the originating business component. The records displayed in the multi-value group applet are those in the multi-value group business component. In the example, the multi-value group business component is called Business Address.