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Const n = 5
Dim arr(n - 1, n - 1) As Integer
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim i As Integer
Randomize()
TextBox1.Text = ""
For i = 0 To n'这里为什么说会产生循环10个数显示第一个文本框
arr(i) = Int(90 * Rnd() + 10)
TextBox1.Text = TextBox1.Text + CStr(arr(i)) + ","
Next i
TextBox1.Text = Mid(TextBox1.Text, 1, Len(TextBox1.Text) - 1)
End Sub