The instance of entity type cannot be tracked because another instance of this type with the same key is already being tracked

Question

I have a Service Object Update

public bool Update(object original, object modified)
{
    var originalClient = (Client)original;
    var modifi         


        

Answer 1

If your data has changed every once,you will notice dont tracing the table.for example some table update id ([key]) using tigger.If you tracing ,you will get same id and get the issue.