如果连接成功,则返回true;如果连接失败,则返回false。 现在,我们可以在连接数据库之前调用NetworkConnectivityChecker.IsConnected方法来检查网络连接是否可用。如果连接不可用,我们可以显示相应的错误信息,并提示用户检查网络连接。 处理数据库实例配置错误 如果网络连接正常,但仍然出现 “A network-related or instance-specif...
“A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: ...
C# 连接SQL server 2022 A network-related or instance-specific error occurred c# 连接impala 今天看到了c#中对IEnumerable,Lambda表达式和 Parallel的讲解,感受颇深。想记录下来,可以给过往的兄弟提供一些帮助,也给自己的知识进行巩固。 1. IEnumerable: IEnumerable<T>泛型接口支持在制定数据集合上进行迭代操作, 可以...
与网络相关的或特定于实例的错误发生,同时建立一个连接到SQL Server。服务器未找到或无法访问。验证实例名称是否正确并且SQL Server配置为允许远程连接。 (provider:命名管道提供程序,error:40 - 无法打开连接到SQL Server) 翻译结果2复制译文编辑译文朗读译文返回顶部 ...
"A network-related or instance-specific error occurred while establishing a connection to SQL Server. Verify that the instance name is correct and that SQL Server is configured to allow remote connections" provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Ser...
(provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified) Nothing has changed related to SQL connection, this is OLD code that I always used. My website is completely paralysed because of this and I feel sick inside because I feel there is ...
求翻译:A network related or instance specific error occurred是什么意思?待解决 悬赏分:1 - 离问题结束还有 A network related or instance specific error occurred问题补充:匿名 2013-05-23 12:21:38 网络相关的或特定于实例的错误发生 匿名 2013-05-23 12:23:18 一个网络有关特定错误发生或原讼...
A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections....
provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is...
A network-related or instance-specific error occurred while establishing a connection to SQL Server 今天同事给我发了个图片过来, 服务器环境 sql 2000 + IIS7 看到这张图片,我先自己试了下,确实是有这个问题的,而且不是偶然性的,那么再看报错意思,在跟sql建立连接的时候发生了一个错误。