compare the database

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();