csharp excel interop programming

 

 

 string fileName = "c:\\a.xlsx";

            var application = new Application();

            application.Visible = true;

            var workbook = application.Workbooks.Open(fileName);

            var worksheet = workbook.Worksheets[2] as Microsoft.Office.Interop.Excel.Worksheet;

            //var worksheet = workbook.Worksheets.Add(Type.Missing,Type.Missing,Type.Missing,Type.Missing) as Microsoft.Office.Interop.Excel.Worksheet;



            worksheet.Cells[1,1] = "Hello World!";

            //Console.Read();



            worksheet.Range["A1"].Value = "Hello Range";



            worksheet.Range["A1:c3"].MergeCells=true;



            Range range = worksheet.Range["A1:A3"];

            range.Name = "range1";

            worksheet.Names.Add("range1", range);



            //worksheet.Range["range1"].Value;

            //worksheet.Range["t1!range1"].Value



            //enum range

            foreach (Microsoft.Office.Interop.Excel.Name name in worksheet.Names)

            {

                Console.WriteLine(name.RefersToRange.Cells.get_Address(true,true,Microsoft.Office.Interop.Excel.XlReferenceStyle.xlA1,Type.Missing));

                Console.WriteLine(name.RefersToRange.Cells.Worksheet.Name);

                Console.WriteLine(name.Name);

            }



            //search

            //set the cell color to red,which cell has the mached value

            Range currentFind = null;

            Range firstFind = null;

            Range Fruits = worksheet.get_Range("A1", "J50");

            currentFind = Fruits.Find("9300", Type.Missing,

                XlFindLookIn.xlValues, XlLookAt.xlPart,

                XlSearchOrder.xlByRows, XlSearchDirection.xlNext, false,

                Type.Missing, Type.Missing);

            while (currentFind != null)

            {

                // Keep track of the first range you find.  

                if (firstFind == null)

                {

                    firstFind = currentFind;

                }



                // If you didn't move to a new range, you are done. 

                else if (currentFind.get_Address(XlReferenceStyle.xlA1)

                      == firstFind.get_Address(XlReferenceStyle.xlA1))

                {

                    break;

                }



                currentFind.Font.Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.Red);

                currentFind.Font.Bold = true;



                currentFind = Fruits.FindNext(currentFind);

            }

            //end search



            application.Quit();