C# excel

读取excel,操作sheet,彻底关闭excel.exe, using Microsoft.Office.Interop.Excel; /// /// top 2 rows are not allowed,so must remove them /// /// private void InitExcelFormat(string strFilePath) { Microsoft.Office.Interop.Excel.ApplicationClass app = new ApplicationClass(); WorkbookClass wrkbk = null; Microsoft.Office.Interop.Excel.Sheets shts = null; Worksheet wrksht = null; Microsoft.Office.Interop.Excel.Range rng = null; try { wrkbk = (WorkbookClass)app.Workbooks.Open(filePath, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value); shts = wrkbk.Worksheets; wrksht = (Worksheet)shts[1]; for (int i = 0; i <= 2; i++)//remove top 2 rows { rng = (Microsoft.Office.Interop.Excel.Range)wrksht.Rows[1, Missing.Value]; rng.Select(); rng.EntireRow.Delete(Microsoft.Office.Interop.Excel.XlDeleteShiftDirection.xlShiftUp); i++; } wrkbk.Save(); } catch (Exception ex) { Label1.Text += ShowErrorMsg(ex.Message); } finally { wrkbk.Close(true, Missing.Value, Missing.Value); app.Quit(); //this function can not kill Excel.Exe process //release objects,kill Excel.Exe process System.Runtime.InteropServices.Marshal.ReleaseComObject(shts); System.Runtime.InteropServices.Marshal.ReleaseComObject(wrksht); System.Runtime.InteropServices.Marshal.ReleaseComObject(wrkbk); System.Runtime.InteropServices.Marshal.ReleaseComObject(app); System.Runtime.InteropServices.Marshal.ReleaseComObject(rng); shts = null; wrksht = null; wrkbk = null; app = null; rng = null; GC.Collect(); } }
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