private void button1_Click(object sender, EventArgs e)
{
string uname = this.textBox1.Text.ToString();
string upaword = this.textBox2.Text.ToString();
SqlConnection thisconnection = new SqlConnection(@\"Server=AL;Integrated
Security=True;\" + \"DataBase=登陆界面\");
thisconnection.Open();
SqlCommand thiscommand = thisconnection.CreateCommand();
thiscommand.CommandText = \"select uname,upaword from yh where uname=\'\" + uname + \" \'\";SqlDataReader thisreader = thiscommand.ExecuteReader();
if (thisreader.Read())
{
if (thisreader[\"upaword\"].ToString().Trim() == upaword)
{
MeageBox.Show(\"恭喜您登陆成功！\", \"登陆成功！\", MeageBoxButtons.OK, MeageBoxIcon.Information);
yhxx tt = new yhxx();
tt.Show();
}
else { MeageBox.Show(\"密码错误，请重新输入！\", \"错误\", MeageBoxButtons.OK, MeageBoxIcon.Information); }
}
else { MeageBox.Show(\"此用户不存在，请您注册！\", \"注册\", MeageBoxButtons.OK, MeageBoxIcon.Information); }
thisconnection.Close();
thisreader.Close();
}
private void button2_Click(object sender, EventArgs e)
{
zhuce = new zhuce();
.Show();
}
