0
我有一個ListBox
控件,我試圖添加值,然後從以後檢索鍵/值。當我添加多個項目時,它將覆蓋我之前添加的值。有人可以對此有所瞭解嗎?列表框覆蓋以前的值
var holder = new Dictionary<int, string>();
holder.Add(Int32.Parse(cmb_AgencyList.SelectedValue.ToString()),
cmb_AgencyList.Text);
lb_AgenciesAdded.DataTextField = "Value";
lb_AgenciesAdded.DataValueField = "Key";
lb_AgenciesAdded.DataSource = holder;
lb_AgenciesAdded.DataBind();