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asp.net网站运行出错:the underlying provider failed on open的解决
在登录系统,通过linq查询时发生错误,the underlying provider failed on open,如何解决,请看:
Step 1:
Open Internet Information Service Manager
Step 2:
Click on Application Pools in left navigation tree.
Step 3:
Select your version Pool. In my case, I am using ASP .Net v4.0. If you dont have this version, select DefaultAppPool.
Step 4:
Right click on step 3, and select advanced settings.
Step 5:
Select Identity in properties window and click the button to change the value.
Step 6:
Select Local System in Built-in accounts combo box and click ok.
That‘s it. Now run your application. Everything works well.
asp.net网站运行出错:the underlying provider failed on open的解决
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