ANTS Performance Profiler

Latest version: 7.4

ANTS Performance Profiler

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AjaxControlToolkit incompatibility causing application being profiled to crash

Category: Troubleshooting & error messages
Date: 18 Jan 2011
Product: ANTS Performance Profiler
Versions: 5,6

When profiling an ASP .NET web application that uses Microsoft's AjaxControlToolkit, the following or similar error may occur in the application being profiled:

Method not found: 'Void _ANTS_MeasureFunctionCall_(Int32, Int32)'

When Performance Profiler is collecting line-level timings, the AJAX library can interfere with the Profiler's core library. To prevent this, you may either choose to profile only at the method-level in the settings, or simply delete the symbols for AjaxControlToolkit (AjaxControlToolkit.pdb). This will prevent line-level data from being collected from AjaxControlToolkit and avoid the crash.

Document ID: KB201101000478 Keywords: Performance,crash,AJAX,ASP,.NET

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