using System;

using System.Windows.Forms;

using Excel = Microsoft.Office.Interop.Excel; 



namespace WindowsApplication1

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }



        private void button1_Click(object sender, EventArgs e)

        {

            Excel.Application xlApp ;

            Excel.Workbook xlWorkBook ;

            Excel.Worksheet xlWorkSheet ;

            object misValue = System.Reflection.Missing.Value;

            Excel.Range chartRange ;



            xlApp = new Excel.ApplicationClass();

            xlWorkBook = xlApp.Workbooks.Add(misValue);

            xlWorkSheet = (Excel.Worksheet)xlWorkBook.Worksheets.get_Item(1);



            //add data 

            xlWorkSheet.Cells[4, 2] = "";

            xlWorkSheet.Cells[4, 3] = "Student1";

            xlWorkSheet.Cells[4, 4] = "Student2";

            xlWorkSheet.Cells[4, 5] = "Student3";



            xlWorkSheet.Cells[5, 2] = "Term1";

            xlWorkSheet.Cells[5, 3] = "80";

            xlWorkSheet.Cells[5, 4] = "65";

            xlWorkSheet.Cells[5, 5] = "45";



            xlWorkSheet.Cells[6, 2] = "Term2";

            xlWorkSheet.Cells[6, 3] = "78";

            xlWorkSheet.Cells[6, 4] = "72";

            xlWorkSheet.Cells[6, 5] = "60";



            xlWorkSheet.Cells[7, 2] = "Term3";

            xlWorkSheet.Cells[7, 3] = "82";

            xlWorkSheet.Cells[7, 4] = "80";

            xlWorkSheet.Cells[7, 5] = "65";



            xlWorkSheet.Cells[8, 2] = "Term4";

            xlWorkSheet.Cells[8, 3] = "75";

            xlWorkSheet.Cells[8, 4] = "82";

            xlWorkSheet.Cells[8, 5] = "68";



            xlWorkSheet.Cells[9, 2] = "Total";

            xlWorkSheet.Cells[9, 3] = "315";

            xlWorkSheet.Cells[9, 4] = "299";

            xlWorkSheet.Cells[9, 5] = "238";



            xlWorkSheet.get_Range("b2", "e3").Merge(false);



            chartRange = xlWorkSheet.get_Range("b2", "e3");

            chartRange.FormulaR1C1 = "MARK LIST";

            chartRange.HorizontalAlignment = 3;

            chartRange.VerticalAlignment = 3;



            chartRange = xlWorkSheet.get_Range("b4", "e4");

            chartRange.Font.Bold = true;

            chartRange = xlWorkSheet.get_Range("b9", "e9");

            chartRange.Font.Bold = true;



            chartRange = xlWorkSheet.get_Range("b2", "e9");

            chartRange.BorderAround(Excel.XlLineStyle.xlContinuous, Excel.XlBorderWeight.xlMedium, Excel.XlColorIndex.xlColorIndexAutomatic, Excel.XlColorIndex.xlColorIndexAutomatic);



            xlWorkBook.SaveAs("csharp.net-informations.xls", Excel.XlFileFormat.xlWorkbookNormal, misValue, misValue, misValue, misValue, Excel.XlSaveAsAccessMode.xlExclusive, misValue, misValue, misValue, misValue, misValue);

            xlWorkBook.Close(true, misValue, misValue);

            xlApp.Quit();



            releaseObject(xlApp);

            releaseObject(xlWorkBook);

            releaseObject(xlWorkSheet);



            MessageBox.Show ("File created !");

        }



        private void releaseObject(object obj)

        {

            try

            {

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

                obj = null;

            }

            catch (Exception ex)

            {

                obj = null;

                MessageBox.Show("Unable to release the Object " + ex.ToString());

            }

            finally

            {

                GC.Collect();

            }

        } 



    }

}