大家帮忙看一下,我这样写为什么会出错?Dim i As Integer Dim array1() As Boolean Dim array2() As Boolean Dim array3() As Boolean Dim array4() As Boolean
For i = 0 To QuestionGrid.Items.Count Dim rblOption1 As RadioButton = QuestionGrid.Items(i).Cells(0).FindControl("rblOption1") Dim rblOption2 As RadioButton = QuestionGrid.Items(i).Cells(0).FindControl("rblOption2") Dim rblOption3 As RadioButton = QuestionGrid.Items(i).Cells(0).FindControl("rblOption3") Dim rblOption4 As RadioButton = QuestionGrid.Items(i).Cells(0).FindControl("rblOption4") array1(i) = rblOption1.Checked (未将对象引用设置到对象的实例。) array2(i) = rblOption2.Checked array3(i) = rblOption3.Checked array4(i) = rblOption4.Checked Next
Dim rblOption1 As RadioButton = QuestionGrid.Items(i).Cells(0).FindControl("rblOption1") 没有找到对象
在翻页之前,记下来当前页面都有哪个被选中了
数据绑定的时候
取出来记录下拉的值
设定他们的select情况
Dim array1() As Boolean
Dim array2() As Boolean
Dim array3() As Boolean
Dim array4() As Boolean
For i = 0 To QuestionGrid.Items.Count
Dim rblOption1 As RadioButton = QuestionGrid.Items(i).Cells(0).FindControl("rblOption1")
Dim rblOption2 As RadioButton = QuestionGrid.Items(i).Cells(0).FindControl("rblOption2")
Dim rblOption3 As RadioButton = QuestionGrid.Items(i).Cells(0).FindControl("rblOption3")
Dim rblOption4 As RadioButton = QuestionGrid.Items(i).Cells(0).FindControl("rblOption4")
array1(i) = rblOption1.Checked (未将对象引用设置到对象的实例。)
array2(i) = rblOption2.Checked
array3(i) = rblOption3.Checked
array4(i) = rblOption4.Checked
Next
没有找到对象