public partial class Form1 : Form
    {
        DataTable table = new DataTable();
        public Form1()
 
        {
            InitializeComponent();
 
           
 
            table.Columns.Add("Ваш масив", typeof(string));
            table.Columns.Add("Довжина масиву", typeof(string));
            table.Columns.Add("Новий масив", typeof(string));
            
            dataGridView1.DataSource = table;
        }
 
        private void DataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {
 
        }
 
        private void Button1_Click(object sender, EventArgs e)
        {
            
 
            table.Rows.Add(col1.Text, col2.Text, col3.Text);
        }
 
        private void Col2_TextChanged(object sender, EventArgs e)
        {
 
        }
 
        private void Button2_Click(object sender, EventArgs e)
        {
            col2.Text = col1.Text.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries).Length.ToString();
 
 
 
 
 
        }
 
       
 
        private void Button3_Click(object sender, EventArgs e)
        {
            
 
 
 
 
 
 
 
        }
 
       
    }
}