How do I .. help by giving user feedback

01-Jul-1111 Leave a comment

 

Activities which help include:

  1. Regular email communication: Even if no problems, then report all going well.
  2. How to describe where you are:
    1. Ideally with a picture
    2. Otherwise describe program being used > form being used >
  3. How to describe your issue:
    1. Name the reference being activated
    2. Was it working before
  4. Self-rescue
    1. Has other work on the same form worked today
    2. Are there other problems – network – power
    3. Have you got the latest version of the program
    4. Does it work with only some of the data – you may be able to deduce the particular data which the program is not handling

Filed under Project Management Tagged with

Entity Framework “Update Model from Database” generates unexpected self-reference associations / navigation properties

01-Jul-1111 Leave a comment

EF4.1 Entity Framework “Update Model from Database” generates unexpected self-reference associations / navigation properties

Check in SQL server on the table design, if a relationship started to be formed, but was not completed then it may be left on the table. Removing this unnecessary relationship and then using “Update Model from Database” will remove these extra associations

Filed under ADO.Net, Entity Framework, Troubleshooting Tagged with ,

Entity Framework: Error 111: Properties referred by the Principal Role…

01-Jul-1111 Leave a comment

The following error message may contain entity name or other project specific text

Error 111: Properties referred by the Principal Role must be exactly identical to the key of the EntityType referred to by the Principal Role in the relationship constraint for Relationship . Make sure all the key properties are specified in the Principal Role.

Solution upgarde to EF4.1 or higher.

 

Filed under ADO.Net, Entity Framework, Errors Tagged with ,

Newer posts →