I am facing a challenge with an older application that I recently took over ownership of. My efforts to successfully run it have been partially fruitful, as I am encountering some strange behavior that seems to be related to Internet Explorer 11. Interestingly, the application runs without any issues on Chrome and Firefox. When the application is running, I encounter a JavaScript error stating that a } was expected. Upon inspecting the code in login.aspx [dynamic] using Visual Studio 2013 Ultimate, the problematic code snippet is as follows:
Sys.Application.add_init(function() {
$create(SomeType.Web.WebControls.BasePageBehavior,
{"id":"SomeControl_callbackExtender","processorStateDataId":"SomeCo="ntrol_callbackExtender_psdh","exceptionPageUrl":"/ExceptionInformation.aspx"},
null,
null,
$get("SomeControl"));});
It appears that an additional value =" has been inserted within the JSON object properties, causing the issue. While I'm unsure of the root cause, my suspicion lies on compatibility issues with IE 11 due to outdated components.
All scripts seem to be properly registered through ScriptManager.RegisterStartupScript, so this anomaly is perplexing me. I haven't come across anything similar online either. Any advice or insights would be greatly appreciated.
In a last attempt to troubleshoot, I have configured IE11 to run the site in compatibility mode. This allowed me to at least identify the source of the error.