===== configure master-detail =====

With this feature you can configure a master-detail relationship between up to four tables. One table is the master table, up to three tables may be assigned as detail tables **of the same** level. Master table and all assigned detail tables are displayed together in the grid area. The detail tables are filtered by the values of the selected row of the master table.   


**[[niota_grid_config_sitemap|navigate to the menu item]]**


  * add/edit a record -> enter valid values for fields listed below

==== master-detail relation ====
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{{:niota-docs:m_07_010_master_detail_01.png?nolink|}}
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=== Master Instance ===
Instance (catalog ID + instance name) of the master catalog object.


=== logical link ===
ID for the link between the master object and the detail object. You may choose a user friendly name for this, but do not use whitespace characters in the name.

=== Detail Instance ===
Instance (catalog ID + instance name) of the detail catalog object.

==== master-detail link ====
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{{:niota-docs:m_07_011_master_detail_link_01.png?nolink|}}
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=== Link column master instance ===
Physical column name from master instance that is used to link between master catalog object and detail catalog object. You can use multiple linking columns.

=== Link column detail instance ===
Physical column name from detail instance that is used to link between master catalog object and detail catalog object. You can use multiple linking columns. Also in case the column name in master catalog object and detail catalog object is the same you have to specify both.

=== link Operator ===
Logical operation how to link the linking columns.

=== sort order ===
Order to apply the link.