c# Win Forms

Try this code

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


namespace dynamicData
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }


        private void button1_Click(object sender, EventArgs e)
        {
            SqlConnection con = new SqlConnection("Data Source=SYSTEM19\\SYSTEM19;Initial Catalog=linqDB;Persist Security Info=True;User ID=sa;Password=reddy@123");
            SqlCommand cmd = new SqlCommand("insert into Employee values('" + textBox1.Text + "','" + textBox2.Text + "')", con);
            con.Open();
            cmd.ExecuteNonQuery();


            cmd.Parameters.Clear();
            con.Close();


            cmd = new SqlCommand("Select * from Employee", con);
            con.Open();
            SqlDataAdapter da = new SqlDataAdapter();
            da.SelectCommand = cmd;
            DataSet ds1 = new DataSet();
            da.Fill(ds1);
            Form2 frm = new Form2();
            frm.ds = ds1;
            frm.Show();
           
        }
    }
}

Place a datagriview and code as follows in Form2

 public partial class Form2 : Form
    {
        public DataSet ds { get; set; } 


        public Form2()
        {
            InitializeComponent();
        }


        private void button1_Click(object sender, EventArgs e)
        {
           
        }


        private void Form2_Load(object sender, EventArgs e)
        {
            dataGridView1.AutoGenerateColumns = true;
            dataGridView1.DataSource = ds;
            dataGridView1.DataMember = "Table";
        }


    }

Check my attachment