EntityFramework Exception : New transaction is not allowed because there are other threads running in the session
109156
SqlException from Entity Framework - New transaction is not allowed because there are other threads running in the session
25486
Why am I not getting a java.util.ConcurrentModificationException in this example?
138687
How to fix "System.QueryException: List has more than 1 row for assignment to SObject"
53884
Adding values to "many to many " relationship in entityframework
41039
Validation failed for one or more entities. See 'EntityValidationErrors' property for more details
121856
The result of a query cannot be enumerated more than once
68681
concurrentModificationException
84144
'Operation is not valid due to the current state of the object' error during postback
114093
User root already has more than 'max_user_connections' active connections in Hibernate
6234
Why is a ConcurrentModificationException thrown and how to debug it
135811
LINQ to SQL transaction and read ID of inserted record
60123
System.CalloutException: You have uncommitted work pending
39136
System.QueryException: Non-selective query against large object type (more than 200000 rows)
118292
Is it safe to use a static java.sql.Connection instance in a multithreaded system?
100051
Unable to update the EntitySet - because it has a DefiningQuery and no  element exist
110858
How to use EntityFramework.BulkInsert?
38664
Keep getting this error: System.QueryException: List has no rows for assignment to SObject