Error : length cannot be less than Zero

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1.00/5 (3 votes)

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VB

ASP.NET

while i fetch the data from data base , i got the error :

length cannot be less than zero

parameter value : length

Posted 6-Apr-14 19:26pm

avelsamy

Updated 3-Jan-22 11:14am

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Comments

Sergey Alexandrovich Kryukov 7-Apr-14 1:42am

Well, think by yourself: can a length of something be less then zero? :-)
—SA

SOHAM_GANDHI 7-Apr-14 1:57am

before fetching the data from database, somewhere you calculate the length of database (in terms of records), thats why it showing error.

SOHAM_GANDHI 7-Apr-14 1:58am

Better way is that, make permanent default row(0), insert default values.

avelsamy 7-Apr-14 4:49am

yeah right i m fetching data through grid view,

there i m using this code

If e.Row.RowType = DataControlRowType.DataRow Then
...
...
end if

SOHAM_GANDHI 7-Apr-14 4:58am

don't match the row type, check the data exists or not.

SOHAM_GANDHI 7-Apr-14 4:58am

then, try to display in the grid view.

avelsamy 7-Apr-14 6:59am

i found the solution , @ Soham thank you

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Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) · Accepted Answer · 2014-04-06T19:43:00

Solution 1

Quote:
length cannot be less than zero

Quite clear. Somewhere you are accessing the length property of some Object, which is not having any data in it. So, it would throw you exception.

Debug your code and see the line where it throws the exception. Before doing anything with the length, just check if has any data or not.

Posted 6-Apr-14 19:43pm

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)

Comments

avelsamy 7-Apr-14 4:49am

yeah right i m fetching data through grid view, there i m using this code If e.Row.RowType = DataControlRowType.DataRow Then ... ... end if

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 7-Apr-14 6:51am

So, found the problem?

avelsamy 7-Apr-14 6:58am

i found the solution , thank you

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 7-Apr-14 7:06am

Great. :) Please accept this answer.

Thanks,
Tadit