private void button2_Click(object sender, EventArgs e)
    {
        try
        {
            //This is my connection string i have assigned the database file address path
            string MyConnection2 = "datasource=localhost;port=3307;username=root;password=root";
            //This is my update query in which i am taking input from the user through windows forms and update the record.
            string Query = "update student.studentinfo set idStudentInfo= + this.IdTextBox.Text + ,Name= + this.NameTextBox.Text + ,Father_Name= + this.FnameTextBox.Text + ,Age= + this.AgeTextBox.Text + ,Semester= + this.SemesterTextBox.Text +  where idStudentInfo= + this.IdTextBox.Text + ;";
            //This is  MySqlConnection here i have created the object and pass my connection string.
            MySqlConnection MyConn2 = new MySqlConnection(MyConnection2);
            MySqlCommand MyCommand2 = new MySqlCommand(Query, MyConn2);
            MySqlDataReader MyReader2;
            MyConn2.Open();
            MyReader2 = MyCommand2.ExecuteReader();
            MessageBox.Show("Data Updated");
            while (MyReader2.Read())
            {
            }
            MyConn2.Close();//Connection closed here
        }
        catch (Exception ex)
        {
            MessageBox.Show(ex.Message);
        }
    }