Auto searching and merging cells of same value.

/// 

  /// 把指定栏中的相同内容的cells合并成一个cell。
  /// 
  /// 
  /// 
  public void MergeIdenticalCells(int _rowIndexOfStartCell, int _columnIndexOfStartCell)
  {
   // 首先把returnedEndCell设为与startCell一样。
   int rowIndexOfReturnedEndCell = _rowIndexOfStartCell;
   int columnIndexOfReturnedEndCell = _columnIndexOfStartCell;
  
   int rowIndexOfWholeColumn = _rowIndexOfStartCell - 1 + oSheet.UsedRange.Rows.Count;
   try
   {
    while(rowIndexOfReturnedEndCell < rowindexofendcell =" _rowIndexOfStartCell;" columnindexofendcell =" _columnIndexOfStartCell;" rangeofstartcell =" (Range)(oSheet.Cells[_rowIndexOfStartCell," i =" _rowIndexOfStartCell;" selectedcell =" (Range)(oSheet.Cells[i," rowindexofendcell =" i;" rangeofendcell =" (Range)(oSheet.Cells[rowIndexOfEndCell," valueofendcell =" rangeOfEndCell.Value2.ToString();" themergedrange =" oSheet.get_Range(rangeOfStartCell," value2 =" Type.Missing;" value2 =" valueOfEndCell;" _rowindexofstartcell =" rangeOfEndCell.Row">