System.ArgumentException: Invalid postback or callback argument

Invalid postback or callback argument. Event validation is enabled using in configuration or <%@ Page EnableEventValidation="true" %> in a page. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that origina开发者_运维技巧lly rendered them. If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation.

Your code-generated (Java)Script contains XML or HTML markup, which is not allowed by ASP.NET built-in XSS validation.