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Excel Services User-Defined Functions

SharePoint 2010

Other Versions

Published: May 2010

This section contains information about user-defined functions (UDFs) and how to use UDF attributes in your code.

Understanding Excel Services UDFs: Learn about managed-code UDFs, including required attributes, deployment, and security.
Walkthrough: Developing a Managed-Code UDF: Get step-by-step instructions about developing Excel Services UDFs by using Microsoft Visual C#.
Frequently Asked Questions About Excel Services UDFs: Find answers to the most common questions about Excel Services UDFs.
How to: Enable UDFs: Learn how to enable UDFs and allow them to be called from an Excel workbook.
How to: Create a UDF That Calls a Web Service: Learn how to call an external Web service from a UDF.
How to: Access an External Data Source from a UDF: Get an example showing how to access an external database from a UDF.
How to: Deploy UDFs Using SharePoint Foundation Solutions: Learn how to deploy a UDF by using the s solution framework.
How to: Restrict UDF Code Access Security Permissions: Learn how to create a custom code group and restrict permission for a UDF assembly by using the .NET Framework Configuration tool.

Date	Description	Reason
May 2010	Initial publication

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