日期:2014-05-20 浏览次数:20913 次
if(a.count()>0) //登录成功 else //登录失败
------解决方案--------------------
using (AWEIDBEntities model = new AWEIDBEntities()) { var query1 = (from a in model.LoginUserInfo where a.UserName == userName.Trim() && a.PassWord == passWord.Trim() select a).FirstOrDefault(); if(query1 !=null){//login} }
------解决方案--------------------
var temp = contactsEntities.tb_User.Select(c => c.UserName == _userName && c.UserPassWord == _passWord);
if (temp.Count(c=>c)==0)
{
MessageBox.Show("用户名或密码错误");
}
else
{
this.DialogResult = DialogResult.OK;
}