I figured out the answer to this....What occurred was that I neglected to include the main key and set the (Is Identity) parameter to yes when I built my table. Once my entity model was finished, I encountered this issue....I went back and repaired my database table, but the strange Exception persisted. In the end, deleting the object and then crea...
If your database tables have a one-to-one connection with one another, then this often occurs. The reportsourceset in your example anticipates a reportsorttypes with the id it is referring. When my connection links two main keys from different tables together, I have encountered this issue.
I'm using SP1 and.Net 3.5....This may be easy. However, I'm unsure of the distinction between an entity name and an entity set name....Please assist me.
Make a comprehensive check of the database if it just affects Nevada in order to rule out a data issue....In conclusion, the main issue was:...Db-first was used.......was supplying a null value for a field that was designated as non null in EF.
From the storage model, you can access the real text "Person Id," but you cannot recognize that property or column as the foreign key. You would need Person Id to be present in the conceptual model for that to happen. Here's how you would obtain it from the storage metadata: I'm still not sure why you wouldn't want it in the model....using ( var co...
I'm searching for a way to programatically or dynamically modify column and field names;...as:...string iLoadProfileValue = "ColumnName";
string lastCol = DatabaseFunctions.DatabaseClient
.tbl_MeterLoadProfile
.OrderByDescending(a => a.MeterReadDate)
.FirstOrDefault(a => a.MeterID == meterID).iLoadProfileValue;
...I'll programatically alter the va...
