Send text from textboxes to datagrid - vb.net

Question

I have for textboxes on my form and I would like the text there to be send to a datagrid. I wrote the following:
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
Dim itemName As String = txtItem.Text
Dim qty As Double = CDbl(txtQTY.Text)
Dim price As Double = CDbl(txtPrice.Text)
Dim Total As Double = price * qty
txtTotal.Text = Convert.ToString(Total)
Dim row As Integer = grdNewInvoice.Rows.Count
Dim data As TextBox() = New TextBox() {txtItem, txtQTY, txtPrice, txtTotal}
grdNewInvoice.Rows.Add()
For i As Integer = 0 To data.Length - 1
grdNewInvoice(i, row).Value = data(0)
Next
End Sub
But I get the following on my datagrid row: System.Windows.Forms.TextBox, Text: [textbox string]
I tried the following code as well to make sure there was nothing wrong with my settings on my datagrid:
'grdNewInvoice.Rows(0).Cells(0).Value = itemName
'grdNewInvoice.Rows(0).Cells(1).Value = qty
'grdNewInvoice.Rows(0).Cells(2).Value = price
'grdNewInvoice.Rows(0).Cells(3).Value = Total
That worked fine and the text went in as expected but since I will be writing to multiple lines on the datagrid, I will need to use a loop.
What am I doing wrong here?

Answer 1

One way to do this is to use a list of string array.
Dim row As Integer = grdNewInvoice.Rows.Count
Dim data As New List(Of String())
data.Add({txtItem.Text, txtQTY.Text, txtPrice.Text, txtTotal.Text})
data.Add({"Item2", "qtr2", "price2", "total2"})
data.Add({"Item3", "qty3", "price3", "total3"})
For i As Integer = 0 To data.Count - 1
grdNewInvoice.Rows.Add(data(i))
Next