BlogEngine.Core.Providers.DbBlogProvider.UpdateCategory C# (CSharp) Method

        public override void UpdateCategory(Category category)
        {
            var categories = Category.Categories;
            categories.Remove(category);
            categories.Add(category);
            categories.Sort();

            using (var conn = this.CreateConnection())
            {
                if (conn.HasConnection)
                {
                    var sqlQuery = string.Format("UPDATE {0}Categories SET CategoryName = {1}catname, Description = {1}description, ParentID = {1}parentid WHERE BlogID = {1}blogid AND CategoryID = {1}catid", this.tablePrefix, this.parmPrefix);

                    using (var cmd = conn.CreateTextCommand(sqlQuery))
                    {

                        var p = cmd.Parameters;

                        p.Add(conn.CreateParameter(FormatParamName("blogid"), Blog.CurrentInstance.Id.ToString()));
                        p.Add(conn.CreateParameter(FormatParamName("catid"), category.Id.ToString()));
                        p.Add(conn.CreateParameter(FormatParamName("catname"), category.Title));
                        p.Add(conn.CreateParameter(FormatParamName("description"), category.Description));
                        p.Add(conn.CreateParameter(FormatParamName("parentid"), (category.Parent == null ? (object)DBNull.Value : category.Parent.ToString())));

                        cmd.ExecuteNonQuery();
                    }
                }
            }
        }