C# Tutorial : How To Open A Second Form using First Form

Opening second form using MySql database

Do you every wanted to make a login like application and you can’t find a way to hide your main form and open a 2nd form?

Now you can easily make it with help of this video and code below.

Very simple and easy steps to make it

try{
string myConnection = "datasource=localhost;port=3306;username-root;password=root";
MySqlConnection myConn = new MySqlConnection(myConnection);
MySqlCommand SelectCommand = new MySqlCommand("select * from database.edata whereuser_name = '"+this.username_txt.Text+"' and password = '"+this.password_txt.Text+"';",myConn);
MySqlDataReader myReader;

myConn.Open();
myReader = SelectedCommand.ExecuteReader();
int count = 0;

while(myReader.Read())
{
count = count + 1;
}

if(count == 1)
{
this.Hide();
From2 f2 = new Form2();
f2.ShowDialog();
}
else if(count > 1)
{
MessageBox.Show("deplicate username and password"); 
}
else
{
MessageBox.Show("username and password aren't correct.. please try again");
}
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}

The above code is code of the 4th video on C# playlist.

You can copy it and use it to try it.

The post C# Tutorial : How To Open A Second Form using First Form appeared first on CodeBind.com.