private void btn_logIn_Click(object sender, EventArgs e) { DataTable dt = new DataTable(); MessagesClass ms = new MessagesClass(); if (txt_UserName.Text == "") { MessageBox.Show("please enter UserName"); return; } if (txt_Password.Text == "") { MessageBox.Show("please enter UserName"); return; } dt = user.Search(txt_UserName.Text, txt_Password.Text); if (dt != null) { m.CurrentUserID = (int)dt.Rows[0]["id"]; u.CurrentUserID = (int)dt.Rows[0]["id"]; user.LogIn((int)dt.Rows[0]["id"]);///update online Status m.MdiParent = this.ParentForm; this.Hide(); m.Show(); } else { MessageBox.Show("UserName or Password is incorrect"); return; } }
private void btn_add_Click(object sender, EventArgs e) { MessageForm m = new MessageForm(); DataTable dt = new DataTable(); dt = user.Search(txt_username.Text); if (txt_name.Text == "") { MessageBox.Show("please enter name!"); return; } if (txt_family.Text == "") { MessageBox.Show("please enter family!"); return; } if (cmb_position.SelectedIndex == -1 && cmb_position.Text == "") { MessageBox.Show("please select position!"); return; } if (txt_username.Text == "") { MessageBox.Show("please enter username!"); return; } if (txt_password.Text == "") { MessageBox.Show("please enter password!"); return; } if (txt_repeatpassword.Text == "") { MessageBox.Show("please enter repeatpassword!"); return; } if (txt_password.Text != txt_repeatpassword.Text) { MessageBox.Show("please enter same password!"); return; } if (dt != null) { MessageBox.Show("there is a user with this username, so please change username"); return; } else { user.Add(txt_name.Text, txt_family.Text, cmb_position.SelectedItem.ToString(), txt_username.Text, txt_password.Text); txt_name.Text = ""; txt_family.Text = ""; cmb_position.SelectedIndex = -1; txt_username.Text = ""; txt_password.Text = ""; txt_repeatpassword.Text = ""; btn_refresh_Click(btn_refresh, EventArgs.Empty); return; } }