知识大全 C#中导入导出Excel的操作

Posted 2022-07-17 知

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/// <summary> /// 读取Excel文档 /// </summary> /// <param name= Path >文件名称</param> /// <returns>返回一个数据集</returns> public DataSet ExcelToDS(string Path) string strConn = Provider=Microsoft Jet OLEDB ; + Data Source= + Path + ; + Extended Properties=Excel ; ; OleDbConnection conn = new OleDbConnection(strConn); conn Open(); string strExcel = ; OleDbDataAdapter myCommand = null; DataSet ds = null; strExcel= select * from [sheet $] ; myCommand = new OleDbDataAdapter(strExcel strConn); ds = new DataSet(); myCommand Fill(ds table ); return ds; /// <summary> /// 写入Excel文档 /// </summary> /// <param name= Path >文件名称</param> public bool SaveFP toExcel(string Path) try string strConn = Provider=Microsoft Jet OLEDB ; + Data Source= + Path + ; + Extended Properties=Excel ; ; OleDbConnection conn = new OleDbConnection(strConn); conn Open(); System Data OleDb OleDbCommand cmd=new OleDbCommand (); cmd Connection =conn; //cmd CommandText = UPDATE [sheet $] SET 姓名= WHERE 工号= 日期 ; //cmd ExecuteNonQuery (); for(int i= ;i<fp Sheets [ ] RowCount ;i++) if(fp Sheets [ ] Cells[i ] Text!= ) cmd CommandText = INSERT INTO [sheet $] (工号姓名部门职务日期时间) VALUES( +fp Sheets [ ] Cells[i ] Text+ + fp Sheets [ ] Cells[i ] Text+ +fp Sheets [ ] Cells[i ] Text+ +fp Sheets [ ] Cells[i ] Text+ +fp Sheets [ ] Cells[i ] Text+ +fp Sheets [ ] Cells[i ] Text+ ) ; cmd ExecuteNonQuery (); conn Close (); return true; catch(System Data OleDb OleDbException ex) System Diagnostics Debug WriteLine ( 写入Excel发生错误 +ex Message ); return false; cha138/Article/program/net/201311/13097