开门见山,使用MS Enterprise Library的DAAB(Data Access Application Block)获取数据时抛出异常。 但是由于在我的代码中,两次ExecuteReader的调用是在一个相同的Ambient Transaction中执行的,DAAB在内部采用相同的DbTransaction执行这两项操作,当执行第一项操作时
string path = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "database.config");
9:cpuset:/kubepods/pod145a1163-b54c-464d-b14e-07f6fb4c5ab7/1759cc5169f63ce5cef9a244c4b89e2bb4a8a0c1daab0c9bfec0cbe2bee9b3c9 8:blkio:/kubepods/pod145a1163-b54c-464d-b14e-07f6fb4c5ab7/1759cc5169f63ce5cef9a244c4b89e2bb4a8a0c1daab0c9bfec0cbe2bee9b3c9 6:pids:/kubepods/pod145a1163-b54c-464d-b14e-07f6fb4c5ab7/1759cc5169f63ce5cef9a244c4b89e2bb4a8a0c1daab0c9bfec0cbe2bee9b3c9 5:memory:/kubepods/pod145a1163-b54c-464d-b14e-07f6fb4c5ab7/1759cc5169f63ce5cef9a244c4b89e2bb4a8a0c1daab0c9bfec0cbe2bee9b3c9 4:freezer:/kubepods/pod145a1163-b54c-464d-b14e-07f6fb4c5ab7/1759cc5169f63ce5cef9a244c4b89e2bb4a8a0c1daab0c9bfec0cbe2bee9b3c9
DbType.Int32, transactionAmount); // Debit the second account db.ExecuteNonQuery(debitCommand); } DAAB 在企业类库2.0的DAAB常常启用了分布式事务,就凭这一点,使用企业类库2.0的同学们有必要升级到企业类库3.0。
performing all of our data tasks strictly utilizing Microsoft's new Data Access Application Block or DAAB To any who may feel a little behind with DAAB, have no fear, everything here can still be accomplished with pre-DAAB data objects as the only difference here is the data access part of it. Trust me there is a huge difference between the two, for one DAAB enable you to write about 75% less Just have SQL Server ready, DAAB installed, then cut and paste the code below, and have fun.
76c41c1d1eb6eaa7b9259bd822a4bffebf180717a24319d2ffec3b4dcae0e66a/merged/etc/bash_completion.d /var/lib/docker/overlay2/78b8ab76c0e0ad7ee873daab9ab3987a366ec32fda68a4bb56a218c7f8806a58 /merged/etc/profile.d/bash_completion.sh /var/lib/docker/overlay2/78b8ab76c0e0ad7ee873daab9ab3987a366ec32fda68a4bb56a218c7f8806a58
pwd=daab 提取码:daab1.将darwin.iso文件上传EXSI中2.修改苹果系统的配置在CD/DVD介质中设置路径3.苹果系统开机桌面就出现了VMware Tools4.打开安装5.安装重启之后就可以缩放再设置一下快照
AdoHelper是MS DAAB中的一个抽象数据访问类,由它派生出的SqlHelper使用很广泛,PDF.NET数据开发框架内部按照AdoHelper的接口做了一个自己的实现,下面简单说明一下怎么用它使用存储过程
76c41c1d1eb6eaa7b9259bd822a4bffebf180717a24319d2ffec3b4dcae0e66a/merged/etc/bash_completion.d /var/lib/docker/overlay2/78b8ab76c0e0ad7ee873daab9ab3987a366ec32fda68a4bb56a218c7f8806a58 /merged/etc/profile.d/bash_completion.sh /var/lib/docker/overlay2/78b8ab76c0e0ad7ee873daab9ab3987a366ec32fda68a4bb56a218c7f8806a58
转自: http://blog.csdn.net/tuo19840423/article/details/5687757 安装Enterprise Library,添加DAAB应用程序块 代码中应用 下面有个简单实例 一.安装Enterprise Library,添加DAAB应用程序块 Enterprise Library下载:http://www.microsoft.com/practices
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视频演示:http://mpvideo.qpic.cn/0bf2daab4aaa7uafe6tlkbpvaggddymaahqa.f10002.mp4?
下面是SqlDependencyExpiration的定义(注:SqlDependencyExpiration的实现通过Enterprise Library DAAB实现DA操作): 1: namespace 首先获得真正的connection string name(如果参数connectionStringName为空,就使用DAAB默认的connection string) 1: if (string.IsNullOrEmpty return expiration; 14: } 15: } 16: 通过GetMessageByUser从数据库中获取基于某个User的Message List(使用了DAAB
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要查看ARP缓存中的条目可以使用以下命令: bob@ubuntu-20-04:~$ ip neigh 2f13daab6442d2298a40f9c887c24f8f.png 标题查看网络统计 使用ip
Enterprise Library 企业库实际运用 语法 大多数企业级应用都将数据存储在关系型数据库中 微软企业库中的DAAB封装了大多数常用数据库中需要执行的操作逻辑,最大限度地降低了自定义代码的需求
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INSERT INTO tb_order (id, money, content) VALUES ('b95daa99-6fc4-11ec-b831- 482ae33c4a2d', 134, 'b95daab2