⟩ You ASP.NET application manages order entry data by using a DataSet object namedEXorderEntry. The EXorderEntry object includes two DataTable objects named orderNames andOrderDetails. A ForeignKeyConstraint object named orderDetailsKey is defined between the twoDataTable objects.You attempt to delete a row in orderNames while there are related rows in OrderDetails, and anexception is generated.What is the most likely cause of the problem?A. The current value of OrderDetails.KeyDeleteRule is Rule.Cascade.B. The current value of OrderDetails.KeyDeleteRule is Rule.SetNull.C. The current value of OrderDetails.KeyDeleteRule is Rule.SetDefault.D. The current value of OrderDetails.KeyDeleteRule is Rule.None.
D. The current value of OrderDetails.KeyDeleteRule is Rule.None.