如果登录成功,则加载form2 .登录在客户端PC上成功,但当它试图以第二种形式从数据库读取数据时,form2 ..我试图连接到数据库时出错了.因此,在开始时,系统可以连接到数据库(form1 -登录表单)。下面是我得到的错误..。0x80131904): A network-related or instance-specific error occurred while establishing a connection to SQLVerify
System.Data.SqlClient.SqlException: A network-related or instance-specific error occurred while establishing a connection to SQLVerify that the instance name is correct and that SQL Server is configured to allow remote connections(provider: SQL Network Interfaces, error: 2
我无法通过Management或ASP.NET连接到server,我试图连接到另一个服务器上的另一个Server,我也没有连接。我的电脑允许远程连接。以前也没有这样的问题,我以前已经成功地连接过了。错误是:补充资料:
在建立到Server的连接时发生了与网络相关的或特定于实例的错误.找不到或无法访问服务器。验证实例名是否正确,以及Server是否配置为允许远程连接。(提供程序: S
使用web服务时无法连接到SQL server。When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settingsSQL Server does not allow remote connections.(provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instan