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How to change the dropdown list of the child table with respect to the value of the parent record?

The value of the parent record can be retrieved through the ParentRecord.GetValue() method when the current cell is in the nested table. The following code example gets the value from a CheckBox in the parent row (the column name is check) and changes the DataSource of the ComboBoxes in the nested tables. In the QueryCellStyleInfo event, the parent record's value is retrieved as an object (o). With the object, the DataSources of the nested tables are changed.

C#

VB

The following screenshots show the ComboBox DataSource changed when the parent field is checked or unchecked.

Figure 1: ComboBox when the Parent field is “checked”

Figure 2: ComboBox when the parent field is “unchecked”

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Sample Links:

GGCGetValue-C#-636098358.zip

GGCGetValue-VB-801966658.zip

Article ID: Published Date: Last Revised Date: Platform: Control:
687 04/30/2011 03/05/2015 Windows Forms GridGroupingControl
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