Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
　　If IsPostBack Then
　　　　Return
　　End If

　　FpSpread1.ActiveSheetView.Cells(1, 1).Value = "test"
End Sub

Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
　　FpSpread1.SaveChanges()

　　' Excel ファイルにエクスポート
　　Dim pathname As String = HttpContext.Current.Server.MapPath(Request.ApplicationPath + "/")
　　FpSpread1.SaveExcel(pathname + "test.xlsx", FarPoint.Excel.ExcelSaveFlags.UseOOXMLFormat)
End Sub

protected void Page_Load(object sender, EventArgs e)
{
　　if (IsPostBack)
　　{
　　　　return;
　　}

　　FpSpread1.ActiveSheetView.Cells[1, 1].Value = "test";
}

protected void Button1_Click(object sender, EventArgs e)
{
　　FpSpread1.SaveChanges();

　　// Excel ファイルにエクスポート
　　string pathname = HttpContext.Current.Server.MapPath(Request.ApplicationPath + "/");
　　FpSpread1.SaveExcel(pathname + "test.xlsx", FarPoint.Excel.ExcelSaveFlags.UseOOXMLFormat);　
}