private void btnChooseGame_Click(object sender, EventArgs e)
{
ChooseGame Game = new ChooseGame();
this.Hide();
Game.Show();
}
private void btnLogin_Click(object sender, EventArgs e)
{
if (txtUserName.Text == "")
{
MessageBox.Show("Please enter Username", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtUserName.Focus();
return;
}
if (txtPassword.Text == "")
{
MessageBox.Show("Please enter password", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtPassword.Focus();
return;
}
try
{
SqlConnection myConnection = default(SqlConnection);
myConnection = new SqlConnection(cs);
SqlCommand myCommand = default(SqlCommand);
myCommand = new SqlCommand("SELECT Username,Password FROM TblLogin WHERE Username = @Username AND Password = @Password", myConnection);
SqlParameter uName = new SqlParameter("@Username", SqlDbType.VarChar);
SqlParameter uPassword = new SqlParameter("@Password", SqlDbType.VarChar);
uName.Value = txtUserName.Text;
uPassword.Value = txtPassword.Text;
myCommand.Parameters.Add(uName);
myCommand.Parameters.Add(uPassword);
myCommand.Connection.Open();
SqlDataReader myReader = myCommand.ExecuteReader(CommandBehavior.CloseConnection);
if (myReader.Read() == true)
{
ChooseGame Game = new ChooseGame();
this.Hide();
Game.Show();
}
else
{
MessageBox.Show("Login Failed...Try again !", "Login Denied", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtUserName.Clear();
txtPassword.Clear();
txtUserName.Focus();
}
if (myConnection.State == ConnectionState.Open)
{
myConnection.Dispose();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void btnLogin_Click(object sender, EventArgs e)
{
//checks to see if text boxes are filled
if (txtUserName.Text == "")
{
MessageBox.Show("Please enter Username", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtUserName.Focus();
return;
}
if (txtPassword.Text == "")
{
MessageBox.Show("Please enter password", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtPassword.Focus();
return;
}
try
{
//creates new sql connection
SqlConnection myConnection = new SqlConnection(cs);
//sql command to get sql user data from table
SqlCommand myCommand = new SqlCommand("SELECT Username,Password FROM TblLogin WHERE Username = @Username AND Password = @Password", myConnection);
//sql data from table is set up as uName, and uPassword
SqlParameter uName = new SqlParameter("@Username", SqlDbType.VarChar);
SqlParameter uPassword = new SqlParameter("@Password", SqlDbType.VarChar);
//grab user info from text box
uName.Value = txtUserName.Text.Trim();
uPassword.Value = txtPassword.Text.Trim();
//takes sql command adds sql parameters and then adds to DB
myCommand.Parameters.Add(uName);
myCommand.Parameters.Add(uPassword);
//open sql connection
myCommand.Connection.Open();
//set up new sql data reader
SqlDataReader myReader = myCommand.ExecuteReader(CommandBehavior.CloseConnection);
//if the user is in the DB they will be redirected to the choose game page
if (myReader.Read() == true)
{
ChooseGame Game = new ChooseGame();
this.Hide();
Game.Show();
}
//login failed error pops up for any entries are worng
else
{
MessageBox.Show("Login Failed...Try again !", "Login Denied", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtUserName.Clear();
txtPassword.Clear();
txtUserName.Focus();
}
//closed sql connection
if (myConnection.State == ConnectionState.Open)
{
myConnection.Dispose();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
