Connection string is automatically generated, add data when prompted "provider based on the Open failure,"
Below is the configuration file
<? The XML version="1.0" encoding="utf-8"?>

RequirePermission="false"/& gt;

Type="HTTP://OracleInternal.Com. Mon ODPMSectionHandler, Oracle ManagedDataAccess, Version=4.122.19.1, Culture=neutral, PublicKeyToken=89 b483f429c47342"/& gt;




The connectionString="metadata=res://*/Model1 CSLD | res://*/Model1 SSDL | res://*/Model1 MSL. The provider=Oracle. ManagedDataAccess. Client; The provider connection string=& amp; quot; DATA SOURCE=wouldn; PASSWORD=123456; USER ID=SCOTT& Quot;"
ProviderName="System. The Data. The EntityClient"/& gt;
The connectionString="User Id=oracle_user; Password=oracle_user_password; Data Source="oracle/& gt;



Type="Oracle. ManagedDataAccess. EntityFramework. EFOracleProviderServices, Oracle. ManagedDataAccess. EntityFramework, Version=6.122.19.1, Culture=neutral, PublicKeyToken=89 b483f429c47342"/& gt;




Type="Oracle. ManagedDataAccess. Client. OracleClientFactory, Oracle. ManagedDataAccess, Version=4.122.19.1, Culture=neutral, PublicKeyToken=89 b483f429c47342"/& gt;

















How to solve this problem, make a day, urgent

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Finally, finally done