Saving data from c# checkedlist box into database

private void btnSave_Click(object sender, EventArgs e)
{
   
    SqlConnection conn = new SqlConnection(ConfigurationSettings.AppSettings["ConnectionString"]);
    conn.ConnectionString = "Data Source=USER-PC;Initial Catalog=PIWCDB;User ID=sa;Password=mike";

    string StrQuery;

    foreach (var checkedItem in this.cblMinistries.CheckedItems)
    {
        SqlCommand comm = new SqlCommand();
        comm.Connection = conn;

        StrQuery = @"INSERT INTO tblTry VALUES ('" + this.txtID.Text + "', '" + checkedItem + "')";
        
        comm.CommandText = StrQuery;
        conn.Open();
        comm.ExecuteNonQuery();
        conn.Close();
    }
    MessageBox.Show("Record was successfully Added");
}