Ошибка синтаксиса в инструкции UPDATE

if (dataGridView1->SelectedRows->Count != 1) {
        MessageBox::Show("Виберіть один стовпець для обновлення","Увага");
    }
    int index = dataGridView1->SelectedRows[0]->Index;
 
    if (dataGridView1->Rows[index]->Cells[0]->Value == nullptr ||
        dataGridView1->Rows[index]->Cells[1]->Value == nullptr ||
        dataGridView1->Rows[index]->Cells[2]->Value == nullptr ||
        dataGridView1->Rows[index]->Cells[3]->Value == nullptr ||
        dataGridView1->Rows[index]->Cells[4]->Value == nullptr ||
        dataGridView1->Rows[index]->Cells[5]->Value == nullptr ||
        dataGridView1->Rows[index]->Cells[6]->Value == nullptr ||
        dataGridView1->Rows[index]->Cells[7]->Value == nullptr ||
        dataGridView1->Rows[index]->Cells[8]->Value == nullptr ||
        dataGridView1->Rows[index]->Cells[9]->Value == nullptr)
        {
        MessageBox::Show("Не всі дані введені","Увага");
        return;
    }
    String^ Autor = dataGridView1->Rows[index]->Cells[0]->Value->ToString();
    String^ Name = dataGridView1->Rows[index]->Cells[1]->Value->ToString();
    String^ Published= dataGridView1->Rows[index]->Cells[2]->Value->ToString();
    String^ Year = dataGridView1->Rows[index]->Cells[3]->Value->ToString();
    String^ Pages = dataGridView1->Rows[index]->Cells[4]->Value->ToString();
    String^ Literature  = dataGridView1->Rows[index]->Cells[5]->Value->ToString();
    String^ Origin = dataGridView1->Rows[index]->Cells[6]->Value->ToString();
    String^ Availability = dataGridView1->Rows[index]->Cells[7]->Value->ToString();
    String^ Value = dataGridView1->Rows[index]->Cells[8]->Value->ToString();
    String^ Recommendations = dataGridView1->Rows[index]->Cells[9]->Value->ToString();
 
    String^ connectionString = "provider=Microsoft.ACE.Oledb.12.0;Data Source=Database.accdb";
    OleDbConnection^ dbConnection = gcnew OleDbConnection(connectionString);
    dbConnection->Open();
    String^ query = "UPDATE [table_name] SET Autor='"+ Autor+"',Name='"+ Name +"', Published='"+ Published +"',Pages="+ Pages +",Literature= '"+Literature+"' , Origin ='"+Origin+"', Availability= '"+Availability+"',Value="+Value+", Recommendations='"+Recommendations+"'WHERE Year="+Year;
 
OleDbCommand^ dbComand = gcnew OleDbCommand(query, dbConnection);
 if(dbComand->ExecuteNonQuery() != 1)
     MessageBox::Show("Помилка виконання команди","Помилка");
    else
        MessageBox::Show("Данні оновленні","Готово");
         
    dbConnection->Close();