private void button2_Click(object sender, EventArgs e) { main m = new main(); m.Show(); this.Hide(); }
private void button3_Click(object sender, EventArgs e) { this.Close(); main m = new main(); m.Show(); }
private void back_Click(object sender, EventArgs e)// return to main { var myForm = new main(); myForm.Show(); this.Hide(); }
private void button1_Click(object sender, EventArgs e) { SqlConnection Con = new SqlConnection(@"Data Source=DESKTOP-85FCCNA\MINU; Integrated Security=true; Initial Catalog=event_management"); Con.Open(); if (textBox1.Text != "" && textBox1.Text != "" && textBox2.Text != "" && textBox3.Text != "" && textBox4.Text != "" && textBox5.Text != "" && textBox6.Text != "" && textBox7.Text != "" && textBox8.Text != "" && textBox9.Text != "" && textBox10.Text != "") { SqlCommand cmd6 = new SqlCommand(@"insert into reg values('" + textBox1.Text + "','" + textBox2.Text + "','" + textBox3.Text + "','" + textBox4.Text + "','" + textBox5.Text + "','" + textBox6.Text + "','" + textBox7.Text + "','" + textBox8.Text + "','" + textBox9.Text + "','" + textBox10.Text + "')", Con); int x = cmd6.ExecuteNonQuery(); if (x > 0) { MessageBox.Show("Registered Successfully"); main m = new main(); m.Show(); this.Hide(); } else { MessageBox.Show("Not Registered"); } } else { MessageBox.Show("Please fill all the details"); } }
private void label1_Click_1(object sender, EventArgs e) { count += 1; main newMain = new main(); newMain.Show(); newMain.Text = "New Window"; }
private void butLogin_Click(object sender, EventArgs e) { bool M_bl_yn = false; if (textName.Text == string.Empty || textPass.Text == string.Empty) { MessageBox.Show("账号或密码不能为空!", "错误提示", MessageBoxButtons.OK, MessageBoxIcon.Error); return; } else { #region 数据库连接 string contsql = "Server=DESKTOP-RGQI6KB;Database=RSGL;uid=sa;pwd=123456"; SqlConnection mysql = new SqlConnection(contsql); mysql.Open(); SqlCommand mycmd = new SqlCommand("SELECT * FROM zhanghao ", mysql); SqlDataReader sqldr = mycmd.ExecuteReader(); #endregion #region 账号判断 while (sqldr.Read()) { string M_str_sql_pwd = sqldr["e_password"].ToString(); string M_str_sql_user = sqldr["e_username"].ToString(); if (M_str_sql_user == textName.Text.Trim()) { if (this.textName.Text.Trim() == M_str_sql_user && this.textPass.Text.Trim() == M_str_sql_pwd) { main login = new main(); login.Show(); this.FormClosing -= new System.Windows.Forms.FormClosingEventHandler(this.login_FormClosing); this.Hide(); M_bl_yn = true; break; } } } if (M_bl_yn == false) { MessageBox.Show("账号或密码错误,请重新输入!", "错误提示", MessageBoxButtons.OK, MessageBoxIcon.Error); } #endregion } SqlConnection lo_conn = new SqlConnection("Server=DESKTOP-RGQI6KB;Database=RSGL;uid=sa;pwd=123456"); lo_conn.Open(); SqlCommand lo_cmd = new SqlCommand("select * from zhanghao where e_username = "******"'" + textName.Text + "'", lo_conn); SqlDataReader lo_reader = lo_cmd.ExecuteReader(); if (lo_reader.HasRows) { while (lo_reader.Read()) { temp.e_num = Convert.ToString(lo_reader["e_number"]); } } }
private void validate_Click(object sender, EventArgs e)//Validate our users creds { string U1 = (User1.UN); string U2 = (User2.UN); string U1P = (User1.PW); string U2P = (User2.PW); int logged = 0; int log; log = logged; string Check1; string Check2; Check1 = userName.Text; Check2 = password.Text; // working for now.. still want this cleaned into seperate functions // starting to move in some of these admin checks, need to add superusers still if (Check1 == @U1 && Check2 == @U1P) { try { auths.IsAdmin = 1; } finally { var myForm = new main(); myForm.Show(); this.Hide(); log = 1; } } //if (Check1 == @U2 && Check2 == @U2P) if ((auths.IsAdmin) == (0) && (Check1 == @U2 && Check2 == @U2P)) { try { var myForm = new main(); myForm.Show(); this.Hide(); } finally { log = 1; } } if (log == 0) { MessageBox.Show("Invalid username or password.", "Login Error."); } }
private void button1_Click(object sender, EventArgs e) { SqlConnection Con = new SqlConnection(@"Data Source=DESKTOP-85FCCNA\MINU; Integrated Security=true; Initial Catalog=event_management"); Con.Open(); SqlCommand cmd = new SqlCommand("Select * from reg WHERE uname='" + textBox1.Text + "' and pass='******' ", Con); SqlDataReader dr = cmd.ExecuteReader(); //String a = textBox1.Text; //String b = textBox2.Text; if (dr.HasRows) { MessageBox.Show("Success"); main m = new main(); m.Show(); this.Hide(); } else { MessageBox.Show("Failed"); } }
private void button1_Click(object sender, EventArgs e) { // for login con.Open(); string sqe = "SELECT count(*) FROM login where username = '******' AND password = '******'"; sda = new SqlDataAdapter(sqe, con); dt = new DataTable(); sda.Fill(dt); textBox2.Text = ""; if (dt.Rows[0][0].ToString() == "1") { main m = new main(); m.Show(); } else { MessageBox.Show("Please Correct the username and password\n\tor\nChoose another account.", "Alert", MessageBoxButtons.OK, MessageBoxIcon.Error); } con.Close(); }
/*******************登录功能******************************************/ private void loginBtn_Click(object sender, EventArgs e) { string account = userName.Text; string psw = passWord.Text; if (account != "" && psw != "") { string res = ValidateUser.validateUser(account, psw); if (res == "密码正确") { main m = new main(); m.Show(); this.Hide(); } else { MessageBox.Show(res); } } else { MessageBox.Show("请输入用户名/密码"); } }