Values ​​are not added to the database through the bindingsource, what should I do?

Question

C++ / C#

Hello. When adding data to the Person table, the following error occurs : "Unhandled exception of type 'System.Data.NoNullAllowedException' in System.Data.dll
Additional information: Column 'p_name' does not allow values ​​equal to nulls." .
It seems that an empty value is added to the datagridview in the "p_name" field. I don't know how to fix this.

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program screen. Textboxes are connected via bindingsource to the database, to the Person table

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My table in db:

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Here is my code

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace CRUID_Bank
{
    public partial class AddPerson : Form
    {
        public AddPerson()
        {
            InitializeComponent();
           
        }

        private void AddPerson_Load(object sender, EventArgs e)
        {
            // TODO: данная строка кода позволяет загрузить данные в таблицу "bankDataSet.Person". При необходимости она может быть перемещена или удалена.
            this.personTableAdapter.Fill(this.bankDataSet.Person);
            personBindingSource.DataSource = this.bankDataSet.Person;
        }

        private void button_Next_Click(object sender, EventArgs e)
        {
            this.bankDataSet.Person.AddPersonRow(bankDataSet.Person.NewPersonRow());
            personBindingSource.MoveLast();
        }
    }
}

Answer 1

Look at what you are passing to row. Most likely, when sending data to a method, you are not passing empty values.