C#对EXCEL的读写操作

using System;

using System.Collections;

using System.Configuration;

using System.Data;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.HtmlControls;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Data.OleDb;

using Excel;

using System.Reflection;

using System.Runtime.InteropServices;// For COMException

public partial class readandwrite_excel : System.Web.UI.Page