------------------------------------------------- SellProdectManager.cs --------------------------------------------------- using System;using System.Collections.Generic;using System.Text;using System.Data; namespace Prodect.BLL{ public class Se
转自https://www.cnblogs.com/zuowj/archive/2015/05/04/4475663.html转别人的,做了一点点改动 using NPOI.HSSF.UserModel; using NPOI.SS.UserModel; using NPOI.XSSF.UserModel; using System; using System.Collections.Generic; using System.Data; using System.Linq; using Sys
开始以前,先认识一下WinForm控件数据绑定的两种形式,简单数据绑定和复杂数据绑定. 1. 简单的数据绑定 例1 using (SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["connStr"].ToString())) { SqlDataAdapter sda = new SqlDataAdapter("Select * From T_Class Where F_