1 string path = @"D:\Text.xls";  //Excel目录, 
 2 
 3     //加载Excel
 4     Excel.Application app = new Excel.Application();  //获取权限
 5     Excel.Workbooks workbooks = app.Workbooks;   
 6     Excel.Workbook workbook = workbooks.Add(path);
 7 
 8 
 9     //获取sheet 
10     Excel.Sheets sheet = workbook.Sheets;
11 
12     Excel.Worksheet worksheet = (Excel.Worksheet)sheet.get_Item(1);//获取sheet  (1)为第一个sheet
13 
14     double usedRows = app.WorksheetFunction.CountA(worksheet.Columns[3]); //第3列的行数
15 
16     string num = usedRows.ToString();
17 
18     object[,] twoDoubleList = worksheet.Range["A1:C" + num].Value2; //获取数组