C#

public partial class Form1 : Form
    {
        // delegate definition
        public delegate void InsertIntoDGV(string info); 
        public static InsertIntoDGV idv; 
        
        public Form1()
        {
            InitializeComponent();
            idv = new InsertIntoDGV(AddRow); // the method we will call is AddRow
        }

        // this method we use for inserting string info into the DataGridView
        public void AddRow(string info)
        {
            dataGridView1.Rows.Add(new object[] { info });
        }

        // button for Form2
        private void button1_Click(object sender, EventArgs e)
        {
            new Form2().ShowDialog(); 
        }
    }

public partial class Form2 : Form
    {
        public Form2()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            Form1.idv(textBox1.Text);
        }
    }

jojoba2010 wrote:

someone attach my DB in SQL