练习开发WPF程序的时候,是这样写的,虽然很简单,相必很多新手会用到,所以拿来共享一下, using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Configuration; using System.Data.SqlClient; using System.Data; namespace HRMSys.DAL { static class SqlHelp
C#全能数据库操作类及调用示例 using System; using System.Data; using System.Data.Common; using System.Configuration; namespace MSCL { /// /// DbHelper通用数据库类 /// public class DbHelper { /// /// /// private static string dbProviderName = ConfigurationManager.AppSett
整理数据库操作类以便取用: using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Data; using System.Data.SqlClient; using System.Configuration; namespace Eshop { public class DbManage { #region 类中的全局变量-数据连接字符串 public st
创建DataBaseAccess引用库下面包括DBConnectionString.cs,DBType.cs ,SysName.cs 三个类 DBConnectionString: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace DataBaseAccess { /// <summary> /