1
1: GroupRadioButton selectRadioButton =
2
this.FindControl("selectRadioButton") as GroupRadioButton;
3
4
2:GroupRadioButton selectRadioButton =
5
(GroupRadioButton)this.FindControl("selectRadioButton") ;
6
7
8
两种转换方式
9

2

3

4

5

6

7

8

9
