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GridGroupControl Relations

Thread ID:





24293 Feb 1,2005 03:53 AM Feb 1,2005 04:56 AM Windows Forms 4
Tags: GridControl
Asked On February 1, 2005 03:53 AM

Hi, How do I add relationships between classes programatically. Let me explain: I have custom datasources (they also implement ITypedList), these sources are related-so I would wan''t a parent source and display its related child sources. I am trying to set these relations up but nothing is working. There are no relations in the TableDescriptor.Relations property is empty. The parent table displays perfectly - with custom controls etc... I just can''t add the relations... Please help Thanks Theo C

Administrator [Syncfusion]
Replied On February 1, 2005 04:12 AM

Take a look at the Syncfusion\Essential Suite\\Windows\Grid.Windows\Samples\Grouping\StrongTypedCollection sample. I think you will need to create a GridRelationDescriptorCollection, and add your relations to it, and then set this collection as the TableDescriptor.Relations value.

Replied On February 1, 2005 04:25 AM

Thanks Clay,

Replied On February 1, 2005 04:28 AM

Thanks Clay, How do I go about setting up a RelationDescriptor. There are a lot of settings and I can''t find the right ones to get it to work. How do I get the related Custom DataSource into the ggc and then set the relation up between this child source and the parent source? Thanks for the help, Theo C

Administrator [Syncfusion]
Replied On February 1, 2005 04:56 AM

It sounds like you need to set the RelationKind to RelatedMasterDetails. Take a look at the Syncfusion\Essential Suite\\Windows\Grid.Windows\Samples\Grouping\ManualRelations sample. Its sets up RelationKind.RelatedMasterDetails relations.


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