How to update value in textBox in ASP.NET in diferent thread?
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I am working with a serial port device in asp.net.It works in different thread than UI thread.In its event I want to get access to my textbox and change its value.

    void posInfo(string smth)
    {
    txtUI.text = smth;
    }


this is givving me exception.how can i achieve this?

