ASPForums.Net RSS Feedhttp://www.aspforums.net/Handlers/RSS.ashxLatest additions to the content that appears on ASPForums.Net(c) 2019 www.aspforums.com. All rights reserved.Entity Framework Error: Unable to track an entity of type OrderItem because primary key property ProductVariant is null<p>Now i solved with a raw query&nbsp;and inside</p> <pre class="brush: sql">if (item.Codvar == null) Codvar = new SqliteParameter(&#34;@Codvar&#34;, DBNull.Value); else Codvar = new SqliteParameter(&#34;@Codvar&#34;, item.Codvar);</pre> <p>&nbsp;</p>https://www.aspforums.net:443/Threads/386159/Entity-Framework-Error-Unable-to-track-an-entity-of-type-OrderItem-because-primary-key-property-ProductVariant-is-null/https://www.aspforums.net:443/Threads/386159/Entity-Framework-Error-Unable-to-track-an-entity-of-type-OrderItem-because-primary-key-property-ProductVariant-is-null/Sun, 14 Apr 2019 04:05:27 GMT