clears the error message . concode_field_sep Control widget concode_elem_sep MedStatus status concode_field_sep int getMessageType concode_elem_sep int getMessageType concode_elem_sep Object getKey concode_elem_sep Control getControl concode_elem_sep String getPrefix concode_elem_sep boolean isWarning concode_elem_sep String getMessage concode_elem_sep void update concode_elem_sep void setMessage concode_elem_sep void setControl concode_elem_sep void setStatus concode_elem_sep boolean isError concode_elem_sep boolean isOk concode_elem_sep boolean isInfo concode_elem_sep Object getData
void function ( ) { setMessage ( null ) ; }