private void LoadSpecialty()
{
ManagerDataSpecialization.ClearDataGrid();
string sqlQuery = "SELECT * FROM Specialty";
SQLiteCommand command = new SQLiteCommand(sqlQuery);
ManagerDataSpecialty.LoadData(command);
dataGridViewSpecialty.Columns["KOD"].HeaderText = "Код";
dataGridViewSpecialty.Columns["KOD"].ReadOnly = true;
dataGridViewSpecialty.Columns["KOD"].Width = 100;
dataGridViewSpecialty.Columns["Name"].HeaderText = "Название";
dataGridViewSpecialty.Columns["Name"].Width = 500;
}