If you want a radio control to implement a radio (you need to set their groupname into one), if your radio box has a few, and where the default checked is set to True, then if you In the program, if you set the checkage for a radio box, this if this is set to the front of the radio box of True by default, you will find that the result in the browser is still selected the default. . So this situation, should be set to false while setting a certain Checked for True. Because, no matter how you set, he will send these single-x-Xu's attribute values to the browser. Browser, when displaying them, set the last Checked to TRUE to set it.
