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what i have: data in GDV (column1, Column2)
aim: link all data present in dgv to the chart, displaying the line graph
problem: can't load the graph

What I have tried:

 Public Class Form1
    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click

        ''Me.DataGridView1.Rows.Add(TextBox1.Text, TextBox1.Text * TextBox3.Text)
        Dim x As Integer = Integer.Parse(TextBox1.Text)
        Dim y As Integer = Integer.Parse(TextBox3.Text)
        Dim xy As Integer = x * y

        Me.DataGridView1.Rows.Add(x, xy)

    End Sub
    Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click
        Dim data1 As Integer
        Dim data2 As Integer

        Chart1.DataSource = DataGridView1
        data1 = Me.DataGridView1.Columns(1)
        ''data2 = Me.DataGridView1.Columns(2)

        Chart1.Series("Skin Fact").Points.AddXY(data1, data2)


        ''Chart1.Series("Skin Fact").Points.AddXY(Convert.ToDouble(Column1), Convert.ToDouble(Column2))

        Chart1.Visible = True

    End Sub
End Class
Updated 8-Aug-23 4:11am

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