11: GroupRadioButton selectRadioButton =
2 this.FindControl("selectRadioButton") as GroupRadioButton;
3
42:GroupRadioButton selectRadioButton =
5 (GroupRadioButton)this.FindControl("selectRadioButton") ;
6
7
8两种转换方式
9
2 this.FindControl("selectRadioButton") as GroupRadioButton;
3
42:GroupRadioButton selectRadioButton =
5 (GroupRadioButton)this.FindControl("selectRadioButton") ;
6
7
8两种转换方式
9