//登陆用户
public bool user_land(SQL sq, 登陆界面 form, string txt_name, string txt_mima)
{
//SqlCommand cmd = new SqlCommand("select * from 用户 where 用户名='" + txt_name.Trim() + "' and 密码='" + txt_mima.Trim() + "'", sq.sql_ct);
//SqlDataReader sdr = cmd.ExecuteReader();
string message;
bool s = false;
try
{
message = "select * from 用户 where 用户名='" + txt_name.Trim() + "' and 密码='" + txt_mima.Trim() + "'";
sdr = sq.sql_select_get(message);
sdr.Read();
if (sdr.HasRows)
{
MessageBox.Show("登录成功!", "提示");
s = true;
}
else
{
MessageBox.Show("提示：用户名或密码错误!", "警告");
}
sdr.Close();
}
catch (Exception e)
{
MessageBox.Show(e.ToString());
}
return(s);
}
private void button2_Click(object sender, EventArgs e)
{
this.Close();
f.Close();
登陆界面 g = new 登陆界面();
g.Show();
}