为什么我会收到＆QUOT;无法连接到服务器 - 与网络相关的或特定于实例的错误和QUOT ;?

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问题描述

我在尝试连接到SQL Server的时候出现以下错误：

This error is thrown when I try to configure my database to gridview in Visual Studio 2010. I'm at a loss as to how to debug this error.

How would you debug this error? What steps should I take in order to determine what is really going on here, in addition to the one mentioned in the error message?

解决方案

I found the following techniques helpful:

From 7 things to check to resolve "A network-related or instance-specific error occurred while establishing a connection to SQL Server…":
From FIX : ERROR : Could not open a connection to SQL Server:

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