Blazor Grid - Create a ComboBox (Foreign Key) Column

As you know, a foreign key is a database key used to manage relationships between individual tables. You can use the key to identify a specific column in a referenced table (and obtain column data). This example illustrates the use of foreign keys within the DevExpress Blazor Grid UI component.

To create a foreign key column in the DevExpress Blazor Grid component, you must:

1. Add a DxGridDataColumn object to the Grid's column collection.
2. Assign the field name that stores foreign keys to the column's FieldName property.
3. Place DxComboBoxSettings within the column's EditSettings tag.
4. Assign an external data source to the Data combo box setting.
5. Assign the name of the external data source field that stores foreign keys to the ValueFieldName setting. The TextFieldName setting allows you specify text strings displayed within the Grid (instead of foreign keys).

Files to Review

• Index.razor

Documentation

• Edit Data

More Examples

• Blazor Grid - Post changes to an in-memory data source

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