fireAjaxTransaction and null input value

[Steven Oglesby]

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Hello,

I am using fireAjaxTransaction wired into the onchange event for a text input (with execute and render options set). This works OK must of the time. However, if there is a value entered in the input and I then delete it then it sends the value as ‘x’ rather than as an empty string or ‘null’. I can see this is happening by looking at the POST data in firebug and also debugging the decode method of the input.

 

Does anyone know why the input would behave in this manner?

 

Regards,

Steven