private void btnGetUser_Click(object sender, EventArgs e)
{
string username = txbUserName.Text.Trim();
List <Users> SelectList = new List <Users>();
Users user = new Users();
UserBusinessLogic userBusinessLogic = new UserBusinessLogic();
user = userBusinessLogic.GetUsersByUserrealname(username);
if (user != null)
{
SelectList.Add(user);
dgvUsers.DataSource = SelectList;
}
else
{
MessageBox.Show("该用户不存在！");
}
}