private void bT709ToolStripMenuItem_Click(object sender, EventArgs e) { Form3 bt709Formu = new Form3(); bt709Formu.ShowDialog(); }
private void button5_Click(object sender, EventArgs e) { Form3 f = new Form3(); f.ShowDialog(); }
private void button1_Click(object sender, EventArgs e) { errorTime = errorTime - 1; string username = txtName.Text.Trim(); //取出账号 string pw = txtPwd.Text.Trim(); //取出密码 string str = "Server=(local)\\mysql;DataBase=TestData; Integrated Security=True"; if (radioButton1.Checked == true) { try { SqlConnection con = new SqlConnection(str); //实例化链接 con.Open(); //开启连接 string s1 = "select * from Suser where name='" + username + "' and password='******'"; //编写SQL命令 SqlCommand cmd = new SqlCommand(s1, con); SqlDataAdapter ada = new SqlDataAdapter(cmd); ada.SelectCommand = cmd; DataSet ds = new DataSet(); int n = ada.Fill(ds); //查询结果填充数据集 //ada.Fill(ds, "user");//将结果放入数据适配器,返回元素个数 if (n != 0) { num = int.Parse(ds.Tables[0].Rows[0]["num"].ToString()); this.Hide(); Form3 form3 = new Form3(); form3.ShowDialog(); // MessageBox.Show("欢迎使用!"); //登录成功 } else if (errorTime < 3) { MessageBox.Show("用户名或密码有错。请重新输入!还有" + errorTime.ToString() + "次机会"); txtName.Text = ""; //清空账号 txtPwd.Text = ""; //清空密码? txtName.Focus(); //光标设置在账号上 } else { MessageBox.Show("你输入的用户名或密码已达三次? 将退出程序"); this.Close(); } } catch (Exception err) { MessageBox.Show(err.Message); } } if (radioButton2.Checked == true) { try { SqlConnection con = new SqlConnection(str); //实例化链接 con.Open(); //开启连接 string s1 = "select num,password from Tuser where num='" + username + "' and password='******'"; //编写SQL命令 SqlCommand cmd = new SqlCommand(s1, con); SqlDataAdapter ada = new SqlDataAdapter(cmd); ada.SelectCommand = cmd; DataSet ds = new DataSet(); ada.Fill(ds); //查询结果填充数据集 int n = ada.Fill(ds, "Tuser"); //将结果放入数据适配器,返回元素个数 if (n != 0) { this.Visible = false; Form4 form4 = new Form4(); form4.ShowDialog(); // MessageBox.Show("欢迎使用!"); //登录成功 this.Hide(); this.Visible = true; } else if (errorTime < 3) { MessageBox.Show("用户名或密码有错。请重新输入!还有" + errorTime.ToString() + "次机会"); txtName.Text = ""; //清空账号 txtPwd.Text = ""; //清空密码? txtName.Focus(); //光标设置在账号上 } else { MessageBox.Show("你输入的用户名或密码已达三次? 将退出程序"); this.Close(); } con.Close(); } catch (Exception err) { MessageBox.Show(err.Message); } } }
private void поискToolStripMenuItem_Click(object sender, EventArgs e) { Act = "поиск"; form3.ShowDialog(); }
private void ContextMenuStrip3_ItemClicked(object sender, ToolStripItemClickedEventArgs e) { TreeNode CurSelectedNode = treeView1.SelectedNode; ToolStripItem Item1 = e.ClickedItem; var plc = pmg.FindPLCByName(CurSelectedNode.Name); if (Item1.Equals(this.contextMenuStrip3.Items[3])) { Form3 AddvarDlg = new Form3(this); if (AddvarDlg.ShowDialog() == DialogResult.OK) { MessageBox.Show("新增PLC变量成功"); } else { MessageBox.Show("取消增加PLC变量"); } AddvarDlg.Close(); } if (Item1.Equals(this.contextMenuStrip3.Items[1])) { try { plc.Open(); } catch (Exception ex) { MessageBox.Show(ex.ToString()); return; //throw; } if (plc.IsConnected) { plc.CycleTimer.Enabled = true; plc.Node.BackColor = Color.Blue; } else { MessageBox.Show(string.Format($"{0} is not connected yet", plc.name)); } return; } if (Item1.Equals(this.contextMenuStrip3.Items[2])) { if (plc.IsConnected) { plc.CycleTimer.Enabled = false; plc.Close(); plc.Node.BackColor = Color.Black; MessageBox.Show("PLC has been closed!"); } else { MessageBox.Show(string.Format($"{0} is not connected yet", plc.name)); } } if (Item1.Equals(this.contextMenuStrip3.Items[0])) { if (plc.IsConnected) { MessageBox.Show("请断开当前PLC!"); return; } else { CurSelectedNode.Nodes.Remove(plc.Node); Pmg.del(plc); MessageBox.Show(string.Format($"PLC{0}已被删除", plc.name)); plc = null; return; } } }
private void button4_Click_2(object sender, EventArgs e) { Form form = new Form3(whitelist); form.ShowDialog(this); }
private void Button2_Click(object sender, EventArgs e) { var form3 = new Form3(); form3.ShowDialog(); }
private void button1_Click(object sender, EventArgs e) { Form3 Ayuda = new Form3(); Ayuda.ShowDialog(); }