// LogIn Function
private void Button1_Click(object sender, EventArgs e)
{
//Sql Conenction:
SqlConnection cnn = new SqlConnection(Program.DB_ConnectionString_Users());
cnn.Open();
//Select statement to retrieve if the user is Admin or not:
SqlCommand command0 = new SqlCommand("Select Rights from Users where Username = @use and Password = @pas", cnn);
SqlParameter use = new SqlParameter();
SqlParameter pas = new SqlParameter();
use.ParameterName = "@use";
pas.ParameterName = "@pas";
command0.Parameters.AddWithValue("@use", (textBox1.Text));
command0.Parameters.AddWithValue("@pas", (textBox2.Text));
//SqlDataReader:
SqlDataReader da = command0.ExecuteReader();
while (da.Read())
{
myString = da.GetInt32(0).ToString();
}
if ((textBox1.Text == "") && (textBox2.Text == ""))
{
MessageBox.Show("Username & password fields cannot be empty.");
}
else if (textBox1.Text == "")
{
MessageBox.Show("Please enter your username.");
}
else if (textBox2.Text == "")
{
MessageBox.Show("Please enter your password.");
}
//============================================
else if ((myString == "0") || (myString == "1"))
{
Home y = new Home();
this.Hide();
y.ShowDialog();
this.Close();
// Go back to Home from the BookingSeatsScreen method:
using (var form2 = y)
{
if (form2.ShowDialog() == DialogResult.OK)
{
y.Hide();
}
}
}
//============================================
else
{
MessageBox.Show("Wrong credentials.");
}
//Close the connection and dispose of the commands:
command0.Dispose();
cnn.Close();
}
// LogIn Function
private void Button1_Click(object sender, EventArgs e)
{
//to do: custom error messageBoxes
//to do: connection to the users db
//to do: add logo icon on the top left corner
//to do: this.Close after Home is opened (not only this.hide)
string connetionString;
SqlConnection cnn;
connetionString = @"Data Source =DESKTOP-CJRBB7E; Initial Catalog = UsersDB; Integrated Security = True";
cnn = new SqlConnection(connetionString);
cnn.Open();
SqlCommand command;
//SqlDataReader dataReader;
String sql;
SqlParameter use = new SqlParameter();
SqlParameter pas = new SqlParameter();
use.ParameterName = "@use";
pas.ParameterName = "@pas";
sql = "Select Rights from Users where Username=@use and Password=@pas";
command = new SqlCommand(sql, cnn);
command.Parameters.AddWithValue("@use", (textBox1.Text));
command.Parameters.AddWithValue("@pas", (textBox2.Text));
SqlDataReader da = command.ExecuteReader();
var myString = "";
while (da.Read())
{
myString = da.GetInt32(0).ToString();
if ((textBox1.Text == "") && (textBox2.Text == ""))
{
MessageBox.Show("Username & password fields cannot be empty.");
}
else if (textBox1.Text == "")
{
MessageBox.Show("Please enter your username.");
}
else if (textBox2.Text == "")
{
MessageBox.Show("Please enter your password.");
}
//============================================
else if ((myString == "0") || (myString == "1"))
{
if (myString == "0")
{
MessageBox.Show("User");
}
else if (myString == "1")
{
MessageBox.Show("Admin");
}
Home y = new Home();
y.Show();
this.Hide();
}
//============================================
else
{
MessageBox.Show("Wrong credentials.");
}
}
}