为什么实体框架超过SQL Express忽略超时？

Question

I have following connection string:

metadata=res:// /Database.csdl|res:// /Database.ssdl|res://*/Database.msl;provider=System.Data.SqlClient;provider connection string="Data Source=.\\SQLEXPRESS;AttachDbFilename='Database.mdf';Integrated Security=True;User Instance=True;Connection Timeout=300;"

I expect that this connection string can never get timeout (because it is 5 mins). However, on a very easy database.table.Count() call to Entity Framework it fails in 10 seconds with "Timeout" exception. Why does Entity Framework ignores SQL timeout? How to set timeout for Entity Framework?

Answer 1

Connection timeout specifies the amount of time to spend waiting for a connection. It doesn't affect the amount of time that a query can spend before timing out.

For that, you need to search for a CommandTimeout property on whatever database context class you're using.

Answer 2

连接超时是尝试连接到不执行查询的数据库服务器时等待的时间