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;

}

}