gia cosi da errore...

Public Class Form1

Dim A As Double = TextBox1.Text
Dim B As Double = TextBox2.Text
Dim C As Double = TextBox3.Text
Dim D As Double = TextBox4.Text
Dim E As Double = TextBox5.Text
Dim F As Double = TextBox6.Text
Dim G As Double = TextBox7.Text
Dim H As Double = TextBox8.Text
Dim I As Double = TextBox9.Text
Dim L As Double = TextBox10.Text
Dim Z As Double


End Class