hi substring issue

[ahmedallam]

hi
i m writing indicator in which i put this condition:
if ((RSI(Low,14,0)[1] < 35) && (bottomsstringseries[1].Substring(0,2)==("LB")))
but when the indicator reach it it disapper from indicator panel and it appears that the code is looping away from the chart
and if i remove the substring method and but certain value"LB15"
if ((RSI(Low,14,0)[1] < 35) && (bottomsstringseries[1]==("LB15")))
or even fake value
if ((RSI(Low,14,0)[1] < 35) && (bottomsstringseries[1]==("LB")))
it works fine but sure not giving me the values i need
the same happens with contain compare method
what is the wrong

[ahmedallam]

problem solved

hi
it was null problem and out of range for substring after i put string value as base for my string series
i increased the string value from a to aaa and it is ok

[NinjaTrader_PatrickH]

Thank you for the update on this matter, ahmedallam.