asp.net 從excel導數據到sql server

private void upfile_ServerClick(object sender, System.EventArgs e)

		{

		      if(myFile.PostedFile.FileName!="")

		         {

			string filename=myFile.PostedFile.FileName;

			string fileExtName = filename.Substring(filename.LastIndexOf(".")+1,3);

			count1 = myFile.PostedFile.ContentLength;

				

			if (count1 == 0||fileExtName !="xls")

			{

			        Response.Write("請選擇excel文件！");return;

			}

			else if (count1 >200000)

			{

			        Response.Write("excel文件過大！");  return; 

			}

			string y = DateTime.Now.Year.ToString();

			string m = DateTime.Now.Month.ToString();

			string d = DateTime.Now.Day.ToString();

			string h = DateTime.Now.Hour.ToString();

			string n = DateTime.Now.Minute.ToString();

			string s = DateTime.Now.Second.ToString();



			string filePath =Server.MapPath("../excel/");

			string Filename = y + m + d + h + n + s;

			Filename = Filename + "." + fileExtName;

		                     myFile.PostedFile.SaveAs(filePath+Filename);//保存文件

                                                                upfile.Visible = false;//上傳按鈕不可用



//先將EXCEL導入到數據庫,一:先把EXCEL導入dateView,二:然後將dateView裏的數據導入到數據庫裏面



			//EXCEL 的連接串

			string sConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" +filePath+Filename + ";Extended Properties=Excel 5.0;";



			//建立EXCEL的連接

			OleDbConnection objConn = new OleDbConnection(sConnectionString);



			objConn.Open();



			OleDbCommand objCmdSelect =new OleDbCommand("SELECT * FROM [Sheet1$]", objConn);

			OleDbDataAdapter objAdapter1 = new OleDbDataAdapter();

                 		                     objAdapter1.SelectCommand = objCmdSelect;



			DataSet objDataset1 = new DataSet();



			objAdapter1.Fill(objDataset1, "XLData");

								

			//dd.DataSource = objDataset1.Tables[0].DefaultView; //測試代碼,用來測試是否能讀出EXCEL上面的數據

			//dd.DataBind();



			DataTable dt = objDataset1.Tables[0];

			DataView myView = new DataView(dt);


			int count=0;//用來記錄出錯的條數

                                                                string errorstr="";

								

			foreach (DataRowView myDrv in myView)

			 {

			count++;

			if(user.addtelnumexcel(userid,myDrv[0].ToString().Trim(),myDrv[1].ToString().Trim(),myDrv[2].ToString().Trim(),myDrv[3].ToString().Trim())==0)	

			 {

			         errorstr+=count+"，";

			}

			}

								

			objConn.Close();

			if(errorstr!="")

			{

			Page.Response.Write("<script>alert('第"+errorstr+"條數據出錯，請檢查！');</script>");

									    Response.End();

			}

			else

			{

			base.Response.Write("<script language=javascript>alert('提交成功。');</script> ");

									    Response.End();



			}

		}

		}

public int addtelnumexcel(string uid,string telnum,string tocom,string toarea,string cash)		{

			int num;

			SqlCommand command = new SqlCommand("admin_addexcel", connection);

			command.CommandType = CommandType.StoredProcedure;

			SqlParameter parameter=new SqlParameter("@uid",SqlDbType.NVarChar,20);

			parameter.Value = uid;

			command.Parameters.Add(parameter);



			SqlParameter parameter1 = new SqlParameter("@telnum", SqlDbType.NVarChar,20);

			parameter1.Value = telnum;

			command.Parameters.Add(parameter1);



			SqlParameter parameter2 = new SqlParameter("@com", SqlDbType.NVarChar,20);

			parameter2.Value = tocom;

			command.Parameters.Add(parameter2);



			SqlParameter parameter3 = new SqlParameter("@area", SqlDbType.NVarChar,20);

			parameter3.Value = toarea;

			command.Parameters.Add(parameter3);



			SqlParameter parameter4 = new SqlParameter("@cash", SqlDbType.Money,4);

			parameter4.Value = cash;

			command.Parameters.Add(parameter4);



			connection.Open();

			try

			{

				num=command.ExecuteNonQuery();

				

			}

			catch(SqlException exc)

			{ num=0;}

			finally

			{

				connection.Close();

			}

			

			return num;

		}