public Main(myInfo infoFromLogin)
{
InitializeComponent();
userInfo = infoFromLogin;
//example of use
lblMessage.Text = userInfo.loginMessage;
}
public Main( myInfo infoFromLogin)
{
InitializeComponent();
userInfo = infoFromLogin;
lblCreateBy.Text = userInfo.loginMessage;
}
private void Btn_login_Click(object sender, EventArgs e)
{
SqlConnection myConnection = new SqlConnection();
myConnection.ConnectionString = ConnectionString;
try
{
//open the connection
myConnection.Open();
//Perform the command
SqlCommand myCommand = new SqlCommand();
myCommand.CommandText = String.Format(
"SELECT * FROM Login WHERE UserId= '{0}' AND Password= '******'",
txtusername.Text.Trim().Replace("\"", ",").Replace(";", ""),
txtpassword.Text.Trim().Replace("\"", ",").Replace(";", ""));
myCommand.Connection = myConnection;
SqlDataReader myDataReader = myCommand.ExecuteReader();
if (myDataReader.Read())
{
//MessageBox.Show("Logged in!");
myInfo infoFromLogin = new myInfo();
infoFromLogin.loginMessage = "Welcome!! You are " + txtusername.Text;
//pass it on
Main newForm = new Main(infoFromLogin);
newForm.Show();
this.Hide();
}
else
{
MessageBox.Show("Not Found!");
}
//perform the command
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
//always close
if (myConnection.State == ConnectionState.Open)
{
myConnection.Close();
}
}
}
private void Btn_login_Click(object sender, EventArgs e)
{
//SqlConnection myConnection = new SqlConnection();
//myConnection.ConnectionString = ConnectionString;
//try
//{
// myConnection.Open();
// SqlCommand myCommand = new SqlCommand();
// myCommand.CommandText = String.Format(
// "SELECT * FROM Login WHERE UserId= '{0}' AND Password= '******'",
// txtusername.Text.Trim().Replace("\"", ",").Replace(";", ""),
// txtpassword.Text.Trim().Replace("\"", ",").Replace(";", ""));
// myCommand.Connection = myConnection;
// SqlDataReader myDataReader = myCommand.ExecuteReader();
// if (myDataReader.Read())
// {
// //MessageBox.Show("Logged in!");
myInfo infoFromLogin = new myInfo();
infoFromLogin.loginMessage = "admin";
Main newForm = new Main(infoFromLogin);
newForm.Show();
this.Hide();
// }
// else
// {
// MessageBox.Show("Invalid User and password");
// }
// }
// catch (Exception ex)
// {
// MessageBox.Show(ex.Message);
// }
// finally
// {
//
// if (myConnection.State == ConnectionState.Open)
// {
// myConnection.Close();
// }
// }
}
