You can show different controls in same column of SfDataGrid by using CellTemplateSelector and EditTemplateSelector properties.
Loading different controls in display
To load different control in display for the same column, you have to use GridTemplateColumn.CellTemplateSelector.
In the above sample, EmployeeId column is alternatively loaded with ComboBox and TextBox which will appear as below,
Loading different controls while entering edit mode
To load different control in edit mode for the same column, you have to use GridTemplateColumn.EditTemplateSelector.
Note: GridTemplateColumn.AllowEditing property should be set true for loading controls in edit mode.
You can use the same DataTemplates and the SelectTemplate method here, which were defined for loading controls in display mode.
In the above sample, first row in EmployeeId column is loaded with textbox while the second row in the same column is loaded with ComboBox which appears as below,
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