always getting string was not recognized as valid datetime. how to convert for current format

always getting string was not recognized as valid datetime. how to convert
for current format

References

Reference NO 1

http://stackoverflow.com/questions/15186367/always-getting-string-was-not-recognized-as-valid-datetime-how-to-convert-for-c

Reference NO 2

http://stackoverflow.com/questions/16014101/datetime-format-issue-string-was-not-recognized-as-a-valid-datetime

Reference NO 3

http://stackoverflow.com/questions/6201678/how-to-convert-dates-without-getting-string-was-not-recognized-as-a-valid-datet

Reference NO 4

http://stackoverflow.com/questions/11559374/string-was-not-recognized-while-converting-date-format

Reference NO 5

http://stackoverflow.com/questions/9899353/string-was-not-recognised-as-valid-datetime-format-c-sharp

Reference NO 6

http://forums.asp.net/t/prev/1909115

Reference NO 7

#EANF#

Reference NO 8

#EANF#