OpenFileDialog ofd = new OpenFileDialog();
string s;
ofd.Filter = "text files (*.txt)|*.txt";
ofd.FilterIndex = 2;
ofd.RestoreDirectory = true;
if (ofd.ShowDialog() == DialogResult.OK)
{
    s = ofd.FileName;
    FarPoint.Win.Spread.Model.CellRange cr = new FarPoint.Win.Spread.Model.CellRange(0, 0, 3, 3);
    fpSpread1.ActiveSheet.LoadTextFileRange(s, cr,FarPoint.Win.Spread.TextFileFlags.None);
    //fpSpread1.ActiveSheet.LoadTextFileRange(s, cr, FarPoint.Win.Spread.TextFileFlags.None, "\r", ",", "", System.Text.Encoding.ASCII);
    //fpSpread1.ActiveSheet.LoadTextFileRange(s, cr, FarPoint.Win.Spread.TextFileFlags.None, "\r", ",", "");
}
	 
	
		Dim s As String
Dim ofd As New OpenFileDialog()
ofd.Filter = "text files (*.txt)|*.txt"
ofd.FilterIndex = 2
ofd.RestoreDirectory = True
If ofd.ShowDialog() = DialogResult.OK Then
    s = ofd.FileName
    Dim cr As New FarPoint.Win.Spread.Model.CellRange(0, 0, 3, 3)
    FpSpread1.ActiveSheet.LoadTextFileRange(s, cr, FarPoint.Win.Spread.TextFileFlags.Unformatted)
    'FpSpread1.ActiveSheet.LoadTextFileRange(s, cr, FarPoint.Win.Spread.TextFileFlags.Unformatted, Chr(13), ",", "", System.Text.Encoding.ASCII)
    'FpSpread1.ActiveSheet.LoadTextFileRange(s, cr, FarPoint.Win.Spread.TextFileFlags.Unformatted, Chr(13), ",", "")
End If