private void btnLogin_Click(object sender, EventArgs e)
{
if (tb_user_name.Text.Trim() == "" && tb_password.Text.Trim() == "")
{
MessageBox.Show("Please input username/email and password!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
EmptyTb();
tb_user_name.Focus();
}
else
{
Entities1 mdl = new Entities1();
mdl.Connection.Open();
using (MD5 md5Hash = MD5.Create())
{
string hash = this.GetMd5Hash(md5Hash, tb_password.Text);
user login = mdl.sp_login_user(tb_user_name.Text, hash).FirstOrDefault();
if (login != null)
{
Global.GlobalVar = tb_user_name.Text;
MDI frmMDI = new MDI();
//Application.Run(new MDI());
this.Close();
frmMDI.ShowDialog();
}
else
{
MessageBox.Show("Username/Email or password Error", "Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
EmptyTb();
tb_user_name.Focus();
}
}
}
}
private void button1_Click(object sender, EventArgs e)
{
if (tbOldPassword.Text.Trim() == "" || tbNewPassword.Text.Trim() == "" || tbConfirmPassword.Text.Trim() == "" || tbConfirmPassword.Text != tbNewPassword.Text)
{
MessageBox.Show("Please input field! Verify New Password and Confirm Password is the same!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
tbOldPassword.Text = "";
tbNewPassword.Text = "";
tbConfirmPassword.Text = "";
tbOldPassword.Focus();
}
else
{
Entities1 mdl = new Entities1();
mdl.Connection.Open();
using (MD5 md5Hash = MD5.Create())
{
string hash = this.GetMd5Hash(md5Hash, tbOldPassword.Text);
string hash2 = this.GetMd5Hash(md5Hash, tbNewPassword.Text);
user login = mdl.sp_login_user(textBox1.Text, hash).FirstOrDefault();
if (login != null)
{
user access = (from c in mdl.users
where c.user_name == textBox1.Text
select c).FirstOrDefault();
access.user_password = hash2;
mdl.SaveChanges();
MessageBox.Show("Success Change Password", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information);
this.Close();
}
else
{
MessageBox.Show("Username or Old Password Error", "Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
tbOldPassword.Text = "";
tbNewPassword.Text = "";
tbConfirmPassword.Text = "";
tbOldPassword.Focus();
}
}
mdl.Connection.Close();
}
}
