数据导入excel的问题
请问在.net中如何实现将一个lable中的数据导入到excel的Sheet1指定的一个单元格内?
------解决方案--------------------up
------解决方案--------------------你可以看下 "孟子E章 "的网站,应该有 
------解决方案--------------------刚刚把 导入 导出 做完 
 但是没有做你说的功能!!   
 呵呵
------解决方案--------------------以前自己写的一个类,摘出一部分,你自己参考吧  
 public class WriteExcel 
     { 
         private Application excelApplication; 
         private Workbooks myWorkBooks; 
         private Workbook currentWorkBook; 
         private Sheets mySheets; 
         private Worksheet currentWorkSheet; 
         private Range currentRange = null; 
         private string fileName;   
         public WriteExcel(int sheetCount) 
         { 
             // 
             // TODO: 在此处添加构造函数逻辑 
             // 
             excelApplication = new Application(); 
             excelApplication.Visible = false; 
             excelApplication.SheetsInNewWorkbook = sheetCount; 
             myWorkBooks = excelApplication.Workbooks;   
         } 
         public void CreateExcel(string fileName,string sheetName) 
         { 
             this.fileName = fileName; 
             try 
             { 
                 currentWorkBook = myWorkBooks.Add(XlWBATemplate.xlWBATWorksheet); 
                 mySheets = currentWorkBook.Sheets; 
                 currentWorkSheet = currentWorkBook.ActiveSheet as Worksheet; 
                 SetSheetName(currentWorkSheet, sheetName); 
             } 
             catch (Exception ex) 
             { 
                 CloseExcel(); 
                 throw new Exception( "in CreateExcel: " + ex.Message); 
             }   
         } 
         public void SaveExcel(bool isFirst) 
         { 
             try 
             { 
                 currentWorkSheet.Columns.AutoFit(); 
                 if (isFirst) 
                 { 
                     string fullFileName = fileName.Substring(0, fileName.LastIndexOf( '\\ ') + 1) 
                                 + DateTime.Now.ToString( "yyyy-MM-dd-HH-mm-fffffff ") 
                                 + fileName.Substring(fileName.LastIndexOf( '\\ ') + 1); 
                     fileName = fullFileName; 
                     currentWorkBook.SaveAs(fullFileName, Missing.Value, Missing.Value, 
                                 Missing.Value, Missing.Value, Missing.Value, XlSaveAsAccessMode.xlNoChange, 
                                 Missing.Value, Missing.Value, Missing.Value, Missing.Value, 
                                 Missing.Value); 
                 } 
                 else 
                 { 
                     currentWorkBook.Save(); 
                 } 
                 //关闭 
                 CloseExcel(); 
             } 
             catch (Exception ex) 
             { 
                 CloseExcel(); 
             } 
         } 
         /* 
          * 关闭excel文件 
          */ 
         public void CloseExcel() 
         { 
             if (currentWorkBook != null) 
                 currentWorkBook.Close(Missing.Value, Missing.Value, Missing.Value); 
             if (myWorkBooks != null && myWorkBooks.Count == 0) 
                 myWorkBooks.Close(); 
             if (excelApplication != null) 
                 excelApplication.Quit();   
             if (currentRange != null) 
                 System.Runtime.InteropServices.Marshal.ReleaseComObject(currentRange);