Diagram viewer control

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Introduction

In current implementation, there is no specific implementation for a DiagramViewer while it should. There are couple of places where diagram can be viewed but with separate implementation, just to name some:

  • Diagram viewer
  • Report viewer
  • Monitor
  • Dashboard
  • Tabulation result viewer

So, for the sake of consistency, I decided to make a DiagramViewer control that can be used all over places.

Design Decisions

  • Use the model from Microsoft AJAX.NET that has been applied for resource-ex controls. See the instruction for implementation here
  • The design must reuse the nice features of asynchronous processing that have been applied by Chuong and Dennis
  • AjaxPro is used as a mean for calling server's code from client-side
  • Crash message must be controlled by the control itself (no dump screen), instead user has the ability to enable/disable viewing of full error message
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