/// <summary> /// 数据库帮助类 /// </summary> public class SQLHelper { private static string connStr = "server=.;database=***;uid=**;pwd=***"; //定义对象 private static SqlConnection conn = null; private static SqlCommand cmd = null; private s…

一,微软SQLHelper.cs类 中文版: using System; using System.Data; using System.Xml; using System.Data.SqlClient; using System.Collections; namespace Classbao.Data { /// <summary> /// SqlServer数据访问帮助类 /// </summary> public sealed partial class SqlHelper…

using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Configuration; using System.Data; using System.Data.SqlClient; using System.Xml; using System.Collections; namespace LiuYanBanT { public class SqlHelper…

using System; using System.Data; using System.Xml; using System.Data.SqlClient; using System.Collections; using System.Configuration; //微软SQLHelper.cs类 中文版 namespace Sales.DAL { /// <summary> /// SqlServer数据访问帮助类 /// </summary> public sealed c…

在上篇关于SQLHelper类中,主要针对SQLServer数据库进行的.在使用别的数据库,就要修改部分代码!所以今天就写一个支持多数据库的封装!主要用到枚举,读取config文件!接口的简单用法.获取连接等... 一.config配置文件: <connectionStrings> <add name="constr" connectionString="server=127.0.0.1;user id=用户名;password=密码;database=数据…

自用SqlHelper.cs类,此类来自软谋教育徐老师课程SqlHelper.cs! using System; using System.Collections; using System.Collections.Generic; using System.Configuration; using System.Data; using System.Data.SqlClient; using System.Linq; using System.Web; namespace PROJECT201…

using System; using System.Data; using System.Xml; using System.Data.SqlClient; using System.Collections; using System.Configuration; namespace BookDAL { /// <summary> /// SqlServer数据访问帮助类 /// </summary> public sealed class SqlHelper { #region…

转载自:http://blog.csdn.net/fengqingtao2008/article/details/17399247 using System; using System.Data; using System.Xml; using System.Data.SqlClient; using System.Collections; using System.Configuration; namespace BookDAL { /// <summary> /// SqlServer数据…

package com.YY.util; import java.io.IOException; import java.io.InputStream; import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statem…

using System; using System.Data; using System.Xml; using System.Data.SqlClient; using System.Collections; using System.Configuration; namespace BookDAL { /// <summary> /// SqlServer数据访问帮助类 /// </summary> public sealed class SqlHelper { #region…