clsAppModelBase

clsAppModelBase is the application-level model base that every SAIF MVC-triad model in a consuming application inherits from. It extends clsModelBase (from SAIF.Presentation.Web.MVC) with application conventions shared across models: a standard set of confirmation/error message constants, mail-request state properties consumed by Utilities.clsMailMessage, a GridCustomizers collection for Infragistics AJAX grid customization, and default no-op ValidateData/WriteData overrides that concrete models replace with real logic.

Purpose

• Provide a shared set of user-facing message constants (delete confirmation, save success/failure, row-selection prompt) so consuming applications present consistent wording.
• Expose mail-request properties (SendTo, SendMail, SendMsg, SendBody) that models populate before delegating to the mail-sending operation.
• Hold a GridCustomizers collection (InfragisticsGridCustomizerList) so consuming models can register grid-level customization behavior for AJAX grids.
• Supply default no-op ValidateData/WriteData overrides so a concrete model need only override the methods it actually requires.

Context

• Namespace: SAIF.Presentation.Web.Core
• Assembly/package: SAIF.Presentation.Web.Core.Infragistics111 (merged into SAIF.Presentation.Web.Infragistics111.dll via SAIF.BOF.Presentation.Web.Infragistics111.nuspec)

Public members

Member	Signature	Purpose
MSG_DELETE_CONFIRM	Public Const MSG_DELETE_CONFIRM As String	Standard confirmation prompt text shown before a destructive delete action.
MSG_SAVE	Public Const MSG_SAVE As String	Standard success message shown after a save completes.
MSG_NO_SAVE	Public Const MSG_NO_SAVE As String	Standard message shown when a save was attempted but no changes were present to persist.
MSG_SAVE_FAILED	Public Const MSG_SAVE_FAILED As String	Standard error message shown when a save operation fails.
MSG_SELECT_ROW	Public Const MSG_SELECT_ROW As String	Standard prompt shown when an action requires a grid row to be selected first.
SendTo	Public Property SendTo As String	Recipient address populated by a model before delegating to the mail-send operation.
SendMail	Public Property SendMail As Boolean	Flag a model sets to indicate that a mail notification should be dispatched as part of the current operation.
SendMsg	Public Property SendMsg As String	Subject text of the mail notification the model requests be sent.
SendBody	Public Property SendBody As String	Body text of the mail notification the model requests be sent.
GridCustomizers	Public Property GridCustomizers As InfragisticsGridCustomizerList	Collection of grid customizer entries a concrete model populates to influence Infragistics AJAX grid rendering/behavior.
ValidateData()	Public Overridable Function ValidateData() As Boolean	Default no-op validation override (returns success); concrete models override it with real validation logic.
WriteData()	Public Overridable Sub WriteData()	Default no-op persistence override; concrete models override it with real save logic.

Behavioral notes

• The default ValidateData/WriteData overrides perform no work; a concrete model that does not override them will silently succeed validation and silently no-op on write.*
• The mail-request properties (SendTo/SendMail/SendMsg/SendBody) are plain state — they do not themselves trigger mail dispatch; a controller or page must read them and call the mail-sending operation explicitly.*

Constraints and usage notes

• Concrete models must override ValidateData and WriteData to have any real save/validation behavior; relying on the base defaults will always report success without persisting data.

Note: Statements marked with * were inferred from code structure, naming conventions, or contextual evidence where direct confirmation was not available in source artifacts. Statements marked with ** could not be confirmed; treat as unknown until verified.

Sources

• SAIF.Presentation.Web.Core.Infragistics111/clsAppModelBase.vb