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Lock (ReflectionLock)
{
Type scriptManagerType =
Type.GetType(
"System.Web.UI.ScriptManager, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35",
false);
if (scriptManagerType != null)
// ASP.NET AJAX is installed.
else
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if (sm == null)
{
// ASP.NET AJAX functionality is not enabled for the page.
}
else
{
// AJAX functionality is enabled for the page.
}
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