Ecore update

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Great catch. So this requires the context to "stick around", so it knows about entities in the context. I just tested this.. Attempted to update or delete an entity that does not exist in the store. Entry await Context. SetValues item ; return await Context. Shadam Shadam 11 11 silver badges 21 21 bronze badges. I think this method works really well, but I believe the post is down at bottom because it could have used more context.

I like it too! Krause wouldn't the post be low so far on account of it being only a few days old? Cannot insert duplicate key in object 'dbo.

Update entity ; await dbContext. Christian Findlay Christian Findlay 5, 2 2 gold badges 39 39 silver badges 84 84 bronze badges. Advantages Prevents overposting EFs automatic change tracking sets the Modified flag on the fields that are changed by form input. Alternative HttpPost Edit code: Create and attach an alternative is to attach an entity created by the model binder to the EF context and mark it as modified. Nipuna Nipuna 5, 8 8 gold badges 59 59 silver badges 84 84 bronze badges.

After going through all the answers I thought i will add two simple options If you already accessed the record using FirstOrDefault with tracking enabled without using.

SaveChanges In other case either you have entity posted to server using HtppPost or you disabled tracking for some reason then you should call context. SaveChanges 1st option will only update the fields you changed but 2nd option will update all the fields in the database even though none of the field values were actually updated :.

Ikram Shah Ikram Shah 1, 1 1 gold badge 10 10 silver badges 11 11 bronze badges. Attach target ; func target ; foreach var property in entry. Equals current ; property.

Simon Simon Where I need to implement the interface GuidKey?