WPF ListView or GridView with a listbox in each cell

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C#

WPF

DataGridView

Hello All,
I a particular requirement as follows;
Table of data Items (as shown below)where number of columns are known only at the design time

+-----+------+........+---------+
|Col 1|Col 2 |        |  Col N  |
|     |      |        |         |
+-----+------+........+---------+
|  D1 |  D 1 |        |         |
|     |  D 2 |        |         |
|     |   .  |        |         |
|     |   .  |        |         |
|     |  D N |        |         |
+-----+------+........+---------+
|  D1 |  D 1 |        |         |
|     |  D 2 |        |         |
|     |  D 3 |        |         |
+-----+------+........+---------+

if we look at the column 2, row 1 and 2 it contains a variable number of items to be displayed, again the number of data items are known only at the design time !

I have data models as follows
Class Col -> represents a cell {Members are" ColName,ObservableList<string>}
Class Row -> represents a Row {Members are" RowNumber,ObservableList}
and finally I have an observable list of Rows which represents the entire table

Could somebody suggest me How I make a display using WPF as shown above?

Thanks in advance.
Krish