compare the database

Question

i had a code in which text box 2 accepts the two strings and i would like to compare them with the database i had done the code to split the text box 2 sting into multiple and stored in
myarray 

SqlCommand cmd = new SqlCommand("insert  comparative values('" + TextBox1.Text + "','" + TextBox2.Text + "')", con);

        string[] myArray = TextBox2.Text.Split(new Char[] { '&' });

        cmd.ExecuteNonQuery();

        cmd.Connection = con;

        cmd.CommandText = "select * from places where names = @myArray ";

        cmd.Parameters.AddWithValue("@myArray", myArray.ToString());

        SqlDataReader sdr = cmd.ExecuteReader();

        if (sdr.Read())

        {

            Label4.Text = TextBox2.Text;

        }

        else

        {

            Label4.Text = "Not Found";

        }

        con.Close();

           

     

        con.Close();