Dim 項目1() As String = {"1", "2", "3", "4"}
For a As Integer = 0 To 項目1.Length - 1
Dim 項目2() As String = {"5", "6", "7", "8"}
For b As Integer = 0 To 項目2.Length - 1
Dim 項目3() As String = {"a", "b", "c", "d"}
For c As Integer = 0 To 項目3.Length - 1
e.Form.Controls("TextBox11").text + = 項目1(a) & "," & 項目2(b) & "," & 項目3(c)& vbCrLf
Next
Next
Next
e.Form.Controls("TextBox11").text + 写成这样,就出问题,
但是 换成 output.show 就没事了, 是为什么呢