c# - DataGridViewCheckBoxColumns of a DataGridView permit multiple Rows checked -

i've datagridview on i've added checkboxcolumn. have datasource, list of object whit set , get; have boolean properties "checked" used checkbox column.. gets data source should boolean states checkboxes in datagridview, when click on checkbox allow 1 checkbox checked @ time. can select multiple rows , set true bounded "checked" properties?

public class mydatasource {         public mydatasource (){}         public boolean checked { get; set; }         public string description  { get; set; } } 

i've added datasource grid class system.windows.forms.bindingsource

and add cell click event

private void my_grd_cellclick(object sender, datagridviewcelleventargs e) {     if (e.rowindex < 0) return;      var datagridview = (datagridview)sender;     var cell = datagridview[0, e.rowindex];      if (cell.value == null) cell.value = false;     cell.value = !(bool)cell.value; }