private void tabControl1_SelectedIndexChanged(object sender, EventArgs e)
 {
     if (tabControl1.SelectedIndex == 2)
     {
         var count    = AccountDAL.TodayWithdrawCount(StaticInfo.Account.Id);
         var account  = AccountDAL.GetAccount(StaticInfo.Account.Id);
         var bankList = AccountDAL.GetBankCard(StaticInfo.Account.Id).Select(n => new CboItem
         {
             Id   = n.No,
             Name = n.BankName + "|银行卡尾号:" + n.CardNo.Substring(n.CardNo.Length - 4),
         }).ToList();
         if (count >= 6)
         {
             btnWithdraw.Enabled = false;
         }
         lblTip.Text         = string.Format(lblTip.Text, count);
         lblCanWithdraw.Text = account.AccountBalance + " RMB";
         BankCardTool.bindCbo(cboBank, bankList);
     }
 }
 private void cbo2_SelectedIndexChanged(object sender, EventArgs e)
 {
     BankCardTool.BindCity(cbo3, (int)cbo2.SelectedValue);
 }
 private void FrmAddBankCard_Load(object sender, EventArgs e)
 {
     BankCardTool.BindBank(cbo1);
     BankCardTool.BindProvince(cbo2);
 }