c# - How to add radcombobox to cell in a table row cell -

i trying add radcombobox table row cell. cannot use table.row.cells.add(radcombobox) expects cell object. table programatically created .

protected override void page_init(object sender, eventargs e) {         base.page_init(sender, e);         configuretablecolumns(datacontext, operatingconditionstable, node, segments);         configuretablerows(datacontext, operatingconditionstable, node, segments, inputs);     } private void configuretablerows(ctaladatacontext context, table table, ctala.entity.treenode reviewnode, ienumerable<ctala.entity.treenode> segments, ilookup<string, operatingconditioninput> inputsgroupedbycategory) {          foreach (var category in inputsgroupedbycategory) {              foreach (var input in category) {                 var row = new tablerow() {                     cssclass = (altrow) ? "rgaltrow" : "rgrow"                 };                 table.rows.add(row);                      var cell = new tablecell() {                     text = input.name                 };                 row.cells.add(cell);                  var unitcell = new radcombobox()                 {                     id = "unit",                     allowcustomtext = false                 };                 foreach (var item in input.unit)                 {                     unitcell.items.addrange(new radcomboboxitem[] { new radcomboboxitem(item) });                 }                  //cell = new tablecell()                 //{                 //    text = input.unit                 //};                 row.controls.add(unitcell);}} 

refer this link.

to add radcombobox cell:

radcombobox combobox = new radcombobox {     id = "foo" }  combobox.items.add(new radcomboboxitem((0).tostring(), "firstitem"));  newcell.controls.add(combobox);