مشکل در حلقه for

foreach (string[] rows in rowList)
{
j++;
text =  text  + rows[0]+ ",";
if (j>100)
{
string stMessage = """ + text1 + """;
psiSms.StartInfo.CreateNoWindow = true;
psiSms.StartInfo.UseShellExecute = true;
psiSms.StartInfo.WindowStyle = ProcessWindowStyle.Normal;
psiSms.Start();
j = 0;
text = "";
}
}