vb.net - Clear and Add items to a DataGridViewComboBox but only for the selected row, not the entire column -

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there couple of posts on datagridviewcombobox don't cover specific case. have dgv in shoe billing form, , first 3 columns comboboxes. first, model; second, color; third, number. since want people sell what's in stock, in cellvaluechanged; depending on columnindex clear next combo , insert corresponding items. quick example, have "nike pegassus" in first combo, select "green" on second one, , select available numbers model , color , insert third column, after cleared items in there, in case there color selected. here's part of code

if e.rowindex >= 0     if e.columnindex = 0         dim objcolumna datagridviewcomboboxcolumn = dtgdetalle.columns(1)         dim colitems new collection         dim dattabla datatable         dim objcolor new clscolor(objobjeto.sesion)         dattabla = objcolor.buscartodos("codcolor in (select distinct stock.codcolor stock inner join color on stock.codcolor = color.codcolor stock.cantidad > 0 , stock.codmodelo=" & ctype(objcolumna.items(dtgdetalle.rows(e.rowindex).cells(0).value), clselementolistafactura).codigo & ")")         objcolor = nothing         objcolumna = dtgdetalle.columns(1)         objcolumna.items.clear()         dtgdetalle.rows(e.rowindex).cells(1).value = nothing         dtgdetalle.rows(e.rowindex).cells(2).value = nothing          each darrecord in dattabla.rows             objcolor = new clscolor(objobjeto.sesion)             objcolor.codigo = darrecord.item("codcolor").tostring             dim objelemento new clselementolistafactura(darrecord.item("color").tostring, objcolumna.items.count, "c", cint(darrecord.item("codcolor").tostring), "1")             objcolumna.items.add(objelemento)             objcolor = nothing         next          objcolumna.valuemember = "itemdata"         objcolumna.displaymember = "name"  . . . . . .

that works fine 1 row! when go row #2 , change index of first combo, want combos (1, 1) , (1, 2) altered, (0, 1) , (0, 2) cleared , new values inserted. best way me clear items of specific row within column, , insert items in cell? if i'm not being clear, please ask. starting become pain. thanks!


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