Meta box dropdown of custom posts

What I would do is just create a custom taxonomy type to share between both custom post types that are dynamically created when a new post of the Clients type is created with the same title, then you can associate them without any custom meta handling.

Related Posts:

  1. meta_query with meta values as serialize arrays
  2. Order by multiple meta key and meta value [closed]
  3. WP_Query with checkbox meta_query
  4. How to grab metabox value in wp_query meta_query key
  5. Custom Metabox data slow query on Admin init
  6. New WP_Query loop in admin causes problems
  7. Posts query according to meta box date
  8. create metabox to activate slider
  9. How do I add an item to the WP admin menu?
  10. Help with if statement inside while loop
  11. wp list pages using meta box value
  12. Meta Box WP_Query array for showing items with a certain relationship
  13. Add metabox if there is at least one post available
  14. meta_query with meta values as serialize arrays
  15. update_post_meta() not updating
  16. Query by meta value (add a dropdown of all values)
  17. Wp Query sort order
  18. Saving custom fields for WP_Query to retrieve
  19. How to show all the associated posts with specific date of data metabox?
  20. display post multiple times based on array of dates
  21. Query to get all the posts of more than 2 meta_value having same meta_key?
  22. Order by DESC, ASC in custom WP_Query
  23. Exclude or Include category ids in WP_Query
  24. Changing the meta_query of the main query based on custom query_vars and using pre_get_posts
  25. Query Posts in a Predefined Order
  26. WP_Query based on URL parameters
  27. Order by meta_value_num DESC and meta_value ASC on WP 4.0
  28. How to query for a week using key => value WP_Query argument notation?
  29. How to use filter hook posts_join for querying taxonomy terms in posts_where?
  30. How can I style future post?
  31. List taxonomy terms plus their latest post ordered by post date
  32. WordPress altering my custom query, How to fix it?
  33. Looping through tabular data
  34. Is there a PHP function that can match anything after the given URL, so my IF statement will work in each instance?
  35. How to create/modfiy WP_Query to search in post title OR custom field?
  36. WordPress query for most recent posts from multiple categories
  37. Pass array of taxonomy terms to wp_query
  38. Modifying the Search Results
  39. Shortcode to show thumbnail and link for 3 random posts
  40. wp query template tags not working
  41. How to select events within current week using wp_query
  42. how to link to detail page(single.php?) in a wp_loop
  43. Meta Query Array Error 500
  44. How to Filter Posts by Custom Fields?
  45. Display posts from only one post form in custom query and exclude in main query
  46. Get pagination working for custom loops within page templates
  47. Complex WP SQL Query
  48. pagination with ‘no_found_rows’ => true,
  49. How to get all product attributes for filters in WooCommerce?
  50. Fetch Record based on meta key dates
  51. How can I display list of all posts from a specific author, with publish dates in the future, on an author archive page (author.php)?
  52. Custom posts visible in admin, but truncate in public
  53. Query to get siblings and parent page
  54. Why does get_posts only show results for Admins or logged-out users?
  55. Add filter post_where and passing post_type argument
  56. WP_Query infinite Loop
  57. Limiting number of related posts
  58. Get Child Page IDs by Parent ID
  59. how would i change post->ID to work correctly when querying pages?
  60. WP User Query with Custom Fields and Search Results
  61. Pagination works in custom query loop but it doesn’t work in shortcode
  62. Event with multiple dates, display events chronologically
  63. WP_Query to get post on frontpage
  64. When listing child pages run out of memory
  65. Function to retrieve IDs of posts, cache results, and improve wp_query
  66. How to avoid filling up an array each time I run a WP_query?
  67. How to SQL query posts IDs by categories AND authors?
  68. Search.php – return number of results but cannot loop through
  69. Admin: Custom Query Returning Permissions Error
  70. wp query remove posts from query then update max pages and posts found
  71. WP_Query Orderby meta_key and hide some meta_key
  72. Show X taxonomies of the latest published posts
  73. Combine relationship posts with existing wp_query
  74. Custom wp_query inside a conditional stament inside a template part doesn’t work: why?
  75. Slick slider for post doesn’t display anything
  76. What is the equivalent WP_Query of a SQL Query?
  77. create custom shortcode wp and put php code in
  78. WordPress Query custom ordering by temporary variable
  79. Check the stored / cached WP_Query with transients on post change
  80. New template file does not load category-specific post
  81. use mysql variable in a $wpdb->query to reindex a column?
  82. How to get only present and past posts with post_date
  83. How to create better WP_Query to look for date time which is anywhere between two meta values?
  84. Query WP Posts, then list the taxonomies from those posts
  85. Query post with content only
  86. Load WP Query with Ajax
  87. WPQuery loop not giving expected output
  88. WordPress tax_query ignoring relation OR
  89. pagination functions are not working
  90. Fetch only categorized posts
  91. Wrap group of wp query posts to parent div by date/year
  92. Continue loop after $queryObject
  93. Wrote a WP Cron Plugin and it triggers a fatal error upon activation
  94. Get the type of an advanced custom field (ACF) in a WP_Query loop [closed]
  95. Getting Year & Date inside wpdb [duplicate]
  96. loop through custom post types with meta data
  97. Looking for a way to exclude frontpage and nav menu from query filter
  98. Using Query In Post Type Archives
  99. the_excerpt() not working in custom archive
  100. Get posts by meta value except one post [closed]