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我這是從database.The代碼填充組合框中選擇在組合框中的項目是如下的是的SelectedIndexChanged自動觸發沒有在C#中的Windows應用程序
protected void bindcombobox()
{
string str = "Data Source=IMMENSE-01\\SQLEXPRESS;Initial Catalog=DesktopAppDB;Integrated Security=True;Pooling=False";
SqlConnection con = new SqlConnection(str);
con.Open();
SqlCommand cmd = new SqlCommand("select Id,designation from addStaff", con);
SqlDataAdapter da = new SqlDataAdapter(cmd);
DataTable dt = new DataTable();
DataSet ds = new DataSet();
da.Fill(ds);
da.Fill(dt);
cb_selectpost.Items.Clear();
if (dt.Rows.Count > 0)
{
cb_selectpost.DataSource = dt;
cb_selectpost.ValueMember = "Id";
cb_selectpost.DisplayMember = "designation";
}
con.Close();
con.Dispose();
}
我有這個事件,大幹快上選擇項觸發從組合框作爲
private void cb_selectpost_SelectedIndexChanged(object sender, EventArgs e)
{
if (cb_selectpost.SelectedValue != null)
{
string st = cb_selectpost.SelectedValue.ToString();
lblCB.Text = st.ToString();
bindstaff(st);
}
}
但問題是,這個事件是自動觸發捉迷藏項目,而不讓我從下拉框中選擇項目。
也許這會幫助你:http://stackoverflow.com/q/3263240/1905949 – ekad