Graph DataGrid Data on Chart

Question

I'm trying to convert my VB code to C# in way that I could plot a data values in datagridview on chart ( or any easy way can do that using C#)

For example I created a code in fluid dynamic which calculate the water head diffusion from high potential to low potential with respect to X (distance) using some linear analytical solution

As you can see my calculation was sent to the table under (hx column), then I plotted the hx data vs x values as it is shown in the figure:

This is the code which specifies the datagrid values

 Public Sub New()
    InitializeComponent()
    Me.KeyPreview = True

    ' Dim dt As New DataTable()
    ' dt.Columns.Add("X_Value")
    ' dt.Columns.Add("Y_Value")
    uncGrid.DataSource = dt.DefaultView

    Chart1.DataSource = dt
    Chart1.Series(0).XValueMember = "Destance_at_Position(m)"
    Chart1.Series(0).YValueMembers = "hx(m)"
    Chart1.DataBind()

    Me.Chart1.Select()
End Sub

This is the lines where I bind the data with chart

Private Sub uncGrid_CellValidating(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewCellValidatingEventArgs) Handles uncGrid.CellValidating
    If Me.Visible And Not uncGrid.DataSource Is Nothing Then
        Chart1.DataBind()
    End If
End Sub

Finally this is for chart drawling and properties

Private Sub Chart1_PostPaint(ByVal sender As Object, ByVal e As System.Windows.Forms.DataVisualization.Charting.ChartPaintEventArgs) Handles Chart1.PostPaint
    Dim o As Object = e.ChartElement

    If o.[GetType]().Equals(GetType(System.Windows.Forms.DataVisualization.Charting.Series)) Then
        Dim xVal As Single = CSng(e.ChartGraphics.GetPositionFromAxis(e.Chart.ChartAreas(0).Name, System.Windows.Forms.DataVisualization.Charting.AxisName.X, _x))
        Dim pt As PointF = e.ChartGraphics.GetAbsolutePoint(New PointF(xVal, 0))
        e.ChartGraphics.Graphics.DrawLine(Pens.Red, pt, New PointF(pt.X, e.Chart.ClientSize.Height))

        If _x - 1 > -1 AndAlso _x - 1 < uncGrid.Rows.Count Then
            _dontDo = True
            uncGrid.ClearSelection()
            Me.uncGrid.Rows(_x - 1).Selected = True
            _dontDo = False
        End If
    End If
  End Sub
End Class

Here is the C# part where it shows many error and said undefined function

public Unconfined_Aquifer()
{
    Load += Unconfined_Aquifer_Load;
    InitializeComponent();
    this.KeyPreview = true;


    uncGrid.DataSource = dt.DefaultView;

    Chart1.DataSource = dt;
    Chart1.Series(0).XValueMember = "Destance_at_Position(m)";
    Chart1.Series(0).YValueMembers = "hx(m)";
    Chart1.DataBind();

    this.Chart1.Select();
}