A network-related or instance-specific error occurred while establishing a connection to SQL Server!

in the computer room charging system, their own database has repeatedly encountered a " in with SQL network-related or instance-specific errors when establishing a connection ! "This error hint, such as the following:

A lot of information has not been solved. Finally, with the help of classmates to solve. Here to the students to provide a deep appreciation of the help (don't mention the name Ah!) The following I will be the solution of this problem one by one, I hope to be helpful, at the same time also hope that they can remember this way of solving.

First, open the local computer's "manage".

Next. Select services and Applications from the Admin menu, select Services

Then find theSQL Agent in the service

Right-click SQL Agent. Select Start. Wait about a few seconds to complete, after the completion of your database problems will be conquered.

Their own database is also the problem of the old, I just know so to conquer. But why the old have this problem, they are not very clear, but also hope to get everyone's attention, you can contact me Oh!

greatly appreciated.

A network-related or instance-specific error occurred while establishing a connection to SQL Server!