I have created a custom UserControl which emulates a DataGrid control.
Internally, it simply instantiates an instance of a DataGrid control
and adds it to its Controls collection, as well as initializing the
various properties of the DataGrid, including the Properties
collection, which is initialized as follows:

            DataGridColumn col;
            foreach (object o in Columns.Items)
            {
                col = o as DataGridColumn;
                if (col != null)
                {
                    m_dataGrid.Columns.Add(col);
                }
            }

Everything works with <asp:BoundColumn /> columns, but when I introduce
a TemplateColumn with a DataBind expression, I get the exception:

Cannot instantiate type 'DataBoundLiteralControl' because there is no
public parameterless constructor.

I don't even know how to debug this. Furthermore, if I remove the
expressoin <%# "test" %> and just put normal HTML like "test," it
works. So, for some reason, it can't evaluate DataBind expression.

Thanks

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