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DataGridView1.Rows.Add(TextBox3.Text, TextBox2.Text)
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DataGridView1.Rows(i).Cells(2).Value = DataGridView1.Rows(i).Cells(0).Value * _
DataGridView1.Rows(i).Cells(1).Value
DataGridView1.Rows(i).Cells(3).Value = DataGridView1.Rows(i).Cells(2).Value * _
CDbl(Val(TextBox1.Text))
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CDbl(Val(Text
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