...
using System.Data.OleDb;
 
namespace Потсетник
{
    public partial class Form1 : Form
    {
        public OleDbConnection database;
 
        public Form1()
        {
            InitializeComponent();
 
            string connectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=zapis.mdb";
            try
            {
 
                database = new OleDbConnection(connectionString);
                database.Open();
 
                string queryString = "SELECT ID, Име, Презиме, Ник, Мобилен, Мобилен2, e-Mail, e-Mail2, Type FROM Table1 WHERE Table1.ID = Table1.ID";
                loadDataGrid(queryString);
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
                return;
            }
        }
...

string queryString = "SELECT movieID, Наслов, Издавач, Гледан, Година, Type FROM movie,movieType WHERE movietype.typeID = movie.typeID";

string queryString = "SELECT movieID, Наслов, Издавач, Гледан, Година, Type FROM movie,movieType WHERE movietype.typeID = movie.typeID";
//Sure you mean
string queryString = "SELECT movieID, Наслов, Издавач, Гледан, Година, Type FROM movie,movieType WHERE movietype.typeID =" movie.typeID;