Excel 파일의 셀 내용 및 색상 읽기

            string file = @"E:\test.xls";            // 

            Excel.Application excel = null;

            Excel.Workbook wkb = null;

            try

            {

                excel = new Excel.Application();

                wkb = excel.Workbooks.Open(file);

                Excel.Sheets sheets = wkb.Worksheets;

                Excel.Worksheet sheet = null;

                if (sheets.Count > 0)

                    sheet = sheets[1] as Excel.Worksheet;       // sheet， ： sheet index 1

                Excel.Range range = null;

                if (sheet != null)

                    range = sheet.get_Range("A1");

                string A1 = String.Empty;

                if (range != null)

                    A1 = range.Text.ToString();

                Color color1 = System.Drawing.ColorTranslator.FromOle(Convert.ToInt32(range.Font.Color));

                Response.Write(string.Format("A1 value: {0} ForeColor:{1}", A1, color1.ToString()));    // A1 



                range = null;

                if (sheet != null)

                    range = sheet.get_Range("A2");

                string A2 = String.Empty;

                if (range != null)

                    A2 = range.Text.ToString();

                Color color2 = System.Drawing.ColorTranslator.FromOle(Convert.ToInt32(range.Interior.Color));

                Response.Write(string.Format("A2 value: {0} Backcolor:{1}", A2, color2));        // A2 

            }

            catch (Exception ex)

            {

                Response.Write(ex.Message);

            }

            finally

            {

                if (wkb != null)

                {

                    wkb.Close();

                    System.Runtime.InteropServices.Marshal.ReleaseComObject(wkb);

                }

                if (excel != null)

                {

                    excel.Quit();

                    System.Runtime.InteropServices.Marshal.ReleaseComObject(excel);

                }

            }