C# Excel的读取和修改

public void ReadExcelAndModify(string strFileFullName)

        {

            int IDX = 1;

            int TestcaseName = 3;

            int Result = 5;

            //读取Excel文件

            Microsoft.Office.Interop.Excel.Application objExcelApp;//定义Excel Application对象

            Microsoft.Office.Interop.Excel.Workbooks objExcelWorkBooks;//定义Workbook工作簿集合对象

            Microsoft.Office.Interop.Excel.Workbook objExcelWorkbook;//定义Excel workbook工作簿对象

            Microsoft.Office.Interop.Excel.Worksheet objExcelWorkSheet;//定义Workbook工作表对象

 

            object oMissiong = System.Reflection.Missing.Value;

            objExcelApp = new Microsoft.Office.Interop.Excel.Application(); objExcelWorkBooks = objExcelApp.Workbooks;

            objExcelWorkbook = objExcelWorkBooks.Open(strFileFullName, 0, false, 5, "", "", true,

            Microsoft.Office.Interop.Excel.XlPlatform.xlWindows, "", true, false, 0, true, false, false);

            //打开工作表

            objExcelWorkSheet = (Microsoft.Office.Interop.Excel.Worksheet)objExcelWorkbook.Worksheets[1]; //strSheetName是指的Exce工作簿的Sheet名，如果没有命名则为"1"

            objExcelWorkSheet.Select(Type.Missing);

            try

            {

                DataTable dt = new DataTable();

                int iRowCount = objExcelWorkSheet.UsedRange.Rows.Count;

                int iColCount = objExcelWorkSheet.UsedRange.Columns.Count;

                for (int i = 2; i < iRowCount; i++)

                {

                    string strIDX = ((Microsoft.Office.Interop.Excel.Range)objExcelWorkSheet.Cells[i, IDX]).Text.ToString();

                    if (strIDX == "√")

                    {

                        string strTestcaseName = ((Microsoft.Office.Interop.Excel.Range)objExcelWorkSheet.Cells[i, TestcaseName]).Text.ToString();

                        object result = CaseInstance.GetType().GetMethod(strTestcaseName).Invoke(CaseInstance, null);

                        if (result != null)

                        {

                            //textResult.Text += String.Format(result.ToString());

                            objExcelWorkSheet.Cells[i, Result] = result;

                        }

                    }

 

                }

                objExcelWorkbook.Save();

            }

            catch (Exception)

            {

 

                throw;

            }

            finally

            {

                objExcelWorkbook.Close(false, oMissiong, oMissiong);

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

                objExcelWorkbook = null;

                objExcelApp.Workbooks.Close();

                objExcelApp.Quit();

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

                objExcelApp = null;

            }

 

        }