Silverlight使用Com组件操作Excel的封装类（3）使用方法

比眉伴天荒 2022-04-22 07:02 186阅读 0赞

//方法1
    //打开excel
            public bool OpenXls()
            {
                var ofd = new OpenFileDialog();
                //ofd.Filter = "Excel2003文件(*.xls)|*.xls|Excel2007文件(*.xlsx)|*.xlsx|所有文件(*.*)|*.*";
                ofd.Filter = "Excel2003文件(*.xls)|*.xls|所有文件(*.*)|*.*";
                var result = ofd.ShowDialog();
                if (result ?? false)
                {
                    try
                    {
                        using (FileStream fs = ofd.File.OpenRead())
                        {
                            if(xlsApp == null)
                                xlsApp = new LSOOBXlsApplication();
                            xlsApp.IsOpen = false;
                            xlsWorkBook = xlsApp.OpenWorkbook(fs, ofd.File.Extension);
                            //xlsWorkSheet = xlsWorkBook.ActiveSheet;
                        }
    
                        return true;
                    }
                    catch (Exception ex)
                    {
                        //RadWindow.Alert("打开Excel文件失败， \n原因：" + ex.Message);
                        LSWindow.AlertError(ex, false);
                        return false;
                    }
                    finally
                    {
                        //if (xlsWorkBook != null)
                        //    xlsWorkBook.Close();
                        //if(xlsApp != null)
                        //    xlsApp.Close();
                        //xlsWorkBook = null;
                        //xlsApp = null;
                    }
                }
                return false;
            }

方法2

int iColumnCount = sheet.GetUsedRange().ColumnsCount;
    int iRowCount = sheet.GetUsedRange().RowsCount;
     for (int i = 1; i < iColumnCount + 1; i++)
    {
      str += sheet.GetCell(1, i).Value.ToString() + ", ";
    }