SAIF.Presentation.Web.Core.Infragistics103 operations and processes¶

This page is the operation catalog and cross-operation hub for this library. Each operation's detailed, step-by-step logic lives in its own page under operations/.

Operation catalog¶

Operation	Intent	Trigger	Inputs	Outputs	Rules
Build authorized navigation context	Load the set of menu items a user is authorized to see	Application code constructs `New NavigationContext(user)`	User identifier string	Populated `NavigationContext` with `MenuAuthorizedItems`	BR-NC-001
Resolve current menu item / page identity	Determine the current page's authorized menu item	Page code requests its own menu/page identity	Category string, current request URL	`clsMenuAuthorizedItem` or `Nothing`	BR-NC-002
Page initialization and session keep-alive	Initialize page state and register a session keep-alive script	ASP.NET `Init`/`Load` lifecycle on any `AppViewPageBase`-derived page	Page/session state	Registered client script blocks, control CSS resets	BR-AVPB-001
Grid column/sort/size preference persistence	Apply, save, and clear per-user grid layout preferences	Explicit call from consuming page code around grid data-bind/postback	Grid instance, optional size div	Grid layout applied/persisted, or an ORDER BY-style string	—
Highlight grid rows/cells with broken business rules	Visually flag grid cells bound to invalid business-object properties	Explicit call after a save/validate attempt on a `WebDataGrid`	The grid	`Boolean` (whether any error was found), CSS/focus side effects	BR-AVPB-002
Send email via legacy SOAP mail service	Send outbound email with or without an attachment	Explicit call from consuming application code	To/from/subject/(optional message, attachment)	`Boolean` result*	—
Stream a file download	Stream an existing file to the HTTP response as a download	Explicit call from consuming page code	Virtual filename, hosting page	HTTP response written with file bytes	BR-CMM-001
Focus-control script generation	Generate client-side JavaScript that focuses a target control on page render	`Page_PreRender` on any `AppViewMasterPageBase`-derived master page	`FocusControl` property	Registered startup script	—

Inherited operations and processes¶

This section documents an operation performed by a base-framework type this library's AppViewPageBase extends. It is retrieved from SAIF.Presentation.Web.MVC's own documentation and is listed here so this page's operation coverage is self-contained; see that library's operations and processes page for further detail.

From ViewPageBase (SAIF.Presentation.Web.MVC)¶

Operation	Intent	Trigger	Inputs	Outputs	Rules
Page/control lifecycle initialization	Orchestrate the WebForms page/control request lifecycle: timeout check, authentication, menu authorization, model pre-init, query-string handling.†	`ViewPageBase.Page_Init` / `ViewControlBase.Page_Init`, invoked ahead of `AppViewPageBase`'s own `Page_Init`/`Page_Load` handling (`CallSessionPing`, grid preference application).†	Current `HttpContext` (session, query string, request path)†	Populated `Model`, `Session("navdata")`, possible redirect/response termination†	INH-MVC-008

Process flow diagram¶

The following diagram visualizes the primary operational flow from page request through navigation-context resolution and grid/UI rendering.

flowchart TD
    Start([Page request]) --> Init[Page_Init / Page_Load]
    Init --> Ping[CallSessionPing]
    Init --> Nav[Build/resolve NavigationContext]
    Nav --> Auth{Authorized item found?}
    Auth -->|Yes| Render[Render page, apply grid preferences]
    Auth -->|No| Fallback[Nothing returned, page continues unauthorized-item handling]
    Render --> Save{User saves data?}
    Save -->|Yes, validation fails| Highlight[Highlight grid rows with broken rules]
    Save -->|Yes, validation passes| Persist[Persist preferences / send mail / stream download]
    Save -->|No| EndNoop([End])

Failure and edge-case behavior¶

NavigationContext.New has no branch/error handling in the constructor; failures surface as unhandled exceptions from the Oracle data layer or SAIF.Business.Menu collection calls.
GetItem/GetCurrentItem/GetCurrentPage return Nothing/empty result without further lookup when the application code itself cannot be resolved.
ApplySortPreferences wraps each column application in a Try/Catch that silently ignores a missing/renamed column key.
SetErrorColorInGrid silently skips a broken-rule-to-cell lookup failure via Try/Catch (e.g., column not present in the grid).
SendMail/SendMailWithAttachment have no error handling around the SOAP call; a service fault propagates as an unhandled exception.
Accessing Help* properties before HelpFolderName is set throws an unhandled ApplicationException.

Note: Statements marked with † are derived from dependency library documentation via the Legends CLI. Statements marked with * were inferred from code structure or contextual evidence. Statements marked with ** could not be confirmed; treat as unknown until verified.

Sources¶

SAIF.Presentation.Web.Core.Infragistics103\NavigationContext.vb
SAIF.Presentation.Web.Core.Infragistics103\AppViewPageBase.aspx.vb
SAIF.Presentation.Web.Core.Infragistics103\AppViewMasterPageBase.vb
SAIF.Presentation.Web.Core.Infragistics103\clsMailMessage.vb
SAIF.Presentation.Web.MVC\ViewPageBase.aspx.vb (via SAIF.Presentation.Web.MVC documentation)