Configuring User-Defined Function Assemblies

As part of the focus on security built into SharePoint Server, ECS has been designed to prevent users from executing potentially malicious code inside Office Excel 2007 workbooks. As a result, many of the automation features used in workbooks on the desktops will not run on the server. Such features as Active X controls, VBA macros, links to other spreadsheets, workbooks with add-in references, and DDE links will generate an error in Excel Calculation Services. In place of code embedded in the workbook, Excel Calculation Services supports custom code libraries installed on the server and configured as trusted libraries. A User-Defined Function is a code module compiled as managed code under the Microsoft ...

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