public void UpdateMandeh()
{
DataTable dt = SelectForEslah();
long sumbedehkari = 0, sumbestankari = 0, lastmandeh = 0;
string tashkhisRow = "";
for (int i = 0; i < dt.Rows.Count; i++)
{
lastmandeh = 0;
tashkhisRow = "";
sumbedehkari += long.Parse(dt.Rows[i]["bedehkari"].ToString());
sumbestankari += long.Parse(dt.Rows[i]["bestankari"].ToString());
lastmandeh = sumbestankari - sumbedehkari;
if (lastmandeh > 0)
{
tashkhisRow = "�������";
}
else if (lastmandeh <= 0)
{
tashkhisRow = "�����";
}
UpdateAfterHamahangSazi(tashkhisRow, Math.Abs(lastmandeh), long.Parse(dt.Rows[i]["radif"].ToString()), dt.Rows[i]["stdno"].ToString(), i);
}
std sic = new std();
sic.stdno = this.stdno;;
sic.hesab = Math.Abs(lastmandeh);
sic.status = tashkhisRow;
sic.UpdateAfterGhabz();
}