How to load ComboBox inside a cell in UWP Spreadsheet?
You can load ComboBox cell in SfSpreadsheet by applying the List Validation to the cell like below code example.
string[] data = { "A", "B", "C" };
var range = Spreadsheet.ActiveSheet.Range["D5:D10"].DataValidation;
range.ListOfValues = data;
Spreadsheet.ActiveGrid.InvalidateCell(GridRangeInfo.Cells(5,4,10,5));
Take a moment to peruse the UWP SfSpreadsheet - Data Validation documentation, where you can find about data validation with code examples.
Sample link:
