To update a row, you need to know which row to update - in this case you must store the original key somewhere. you could duplicate the key data in hidden columns in your grid control, or you could associate the a triple (or a struct) of the data with every row.. Is it possible entity framework will support table without primary key? if you have a table without pk, maybe you could read data from this table, but you'll can't update data using entity framework. it would be more or less as a view. maybe you can add an auto-increment or guid without any meaning in your table, just to get a pk. Primary key in access ensures that there are no identical records in the table. every record needs a unique identifier to distinguish it from other potential similar entries. step # 4 -- select.
For primary key, you need to insert a distinct value to all rows. please let us know your id is a sequnce based value or random generated one. that would help us to suggest a method.. How to insert a record to a table without primary key using entity framework hi experts could you please tell me if there is a way to insert a record to a table without primary key using entity framework.. Update primary key; breadcrumb. announcement. please let me know how can i update a record in the primary key field which behaves as a foreign key to other tables without altering (disabling) the primary/foreign constraint???? please reply sooon and it allows me to directly update without using set constraints clause. could you give an.
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