This foreign key property will be set to null for each post when its related blog is deleted. Post.BlogId is a foreign key property, the value of which must match the Blog.Id primary key of the blog to which the post belongs. Deleting a principal/parentĬonsider this simple model where Blog is the principal/parent in a relationship with Post, which is the dependent/child. string containing conveyed-information data in the expected encoding. This can happen because the principal/parent is deleted, or it can happen when the principal/parent still exists but the dependent/child is no longer associated with it. When cascading behaviors happenĬascading deletes are needed when a dependent/child entity can no longer be associated with its current principal/parent. Released 31 October 2005 on Spectrum (catalog no. You can run and debug into all the code in this document by downloading the sample code from GitHub. Play Golden Memories, a Compilation of songs by John Gregory & His Cascading Strings.
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