it is code edit item in list
List<class1> lst = new List<class1>();
int index = lst.FindLastIndex(s => s.Number == textBox6.Text);
if(index != -1) { lst[index] = new Class1() { ... }; }
please convert in code for BindingList
BindingList<class1> lst = new BindingList<class1>();
thanx
Something like this ?