public static void inserts(string blogId, List <string> categoryIds)
{
DataBaseBlog db = new DataBaseBlog();
foreach (string categoryId in categoryIds)
{
Blog_category bc = new Blog_category();
bc.ID = Guid.NewGuid().ToString();
bc.blog_id = blogId;
bc.category_id = categoryId;
db.Blog_category.Add(bc);
}
db.SaveChanges();
}
public static void Update(string blogId, List <string> categoryIds)
{
DataBaseBlog db = new DataBaseBlog();
db.Blog_category.RemoveRange(db.Blog_category.Where(b => b.blog_id == blogId));
foreach (string categoryId in categoryIds)
{
Blog_category bc = new Blog_category();
bc.ID = Guid.NewGuid().ToString();
bc.blog_id = blogId;
bc.category_id = categoryId;
db.Blog_category.Add(bc);
}
db.SaveChanges();
}