Object reference not set to an instance of an object

Ruslan's ASP .NET weblog

GridView RowDataBound Alternating Row RowState issue

This was pissing me off for a good hour: RowDataBound event after you call edit on a row, I was checking for this row's state like this:

e.Row.RowState == DataControlRowState.Edit

this worked fine with rows No 1, 3, 5... (non-alternating rows), however with alternating rows of same GridView it did NOT work as their RowState is something like "Alternate | Edit". RowState contains more than one value using bit-logic. See DataControlRowState Enumeration

the solution is as follows:

((e.Row.RowState & DataControlRowState.Edit) > 0)

Posted: Oct 27 2008, 01:38 PM by funky_rus | with 29 comment(s)
Filed under: , , , , , , ,

Comments

Ash said:

You saved me Ruslan.  I was ready to pull some hair out as well!

Thanks,

Ash

# April 28, 2009 8:13 PM

Shadows said:

This cost me too much time as well. Thanks Ruslan.

# June 30, 2009 10:17 AM

Mike said:

Thanks alot, I had the same problem and was trying to figure out for a long time~~ nice post~

# October 7, 2009 7:21 PM

Jonathan said:

Thanks a lot.. was struggling to get it working..

# November 2, 2009 5:20 AM

lorenzo battaglia said:

Grazie Mille / Thank you

# November 4, 2009 12:30 PM

Alternating Rows in a Edit-in-Place GridView said:

Pingback from  Alternating Rows in a Edit-in-Place GridView

# January 13, 2010 2:24 PM

Nishim Attreja said:

Thanks Man..This really saved lots of time.

# February 9, 2010 12:36 AM

Pita said:

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# March 26, 2010 8:15 AM

a young newbie said:

it was wonderful. this problem was making me mad. thank u very very much

# May 4, 2010 9:23 PM

Krunal said:

Thanx buddy..... this helped a lot

# May 21, 2010 3:40 AM

ReginK said:

Awesome! I was wondering how to accommodate both the alternate and the edit when I came across your post! thanks a lot!

# July 21, 2010 11:36 AM

Jimbo said:

I sure wish we could invoice MS for the extra time we've all wasted with this kind of thing. Good grief.

# August 8, 2010 1:11 AM

Jason said:

Thanks, the first result from Google helped me, you are my hero.

# August 8, 2010 10:15 PM

Manish said:

You can also use this:

(e.Row.RowState & DataControlRowState.Edit) == DataControlRowState.Edit

# August 31, 2010 9:18 AM

Vishal Dhobi said:

Thanks a lot.. This works.:-)

# September 16, 2010 9:08 AM

Geoff said:

Thanks very much for taking the time to post. I was struggling to understand what was going on here - brilliant solution.

# November 17, 2010 12:00 PM

aniruddh02 said:

You are a man god sent to save life. It was driving me crazy.. Thanks a tonnn

# December 13, 2010 3:45 PM

Matt said:

Wow, stummbled upon this gem after wasting wayyyy to much time...Thanks a million bro!

# February 8, 2011 5:28 AM

faizan.shahensha said:

Thanks Buddy :)

# February 14, 2011 3:11 PM

r.zarei said:

tanks so much.

# February 21, 2011 4:34 AM

SparTodd said:

Once again the internet comes to the rescue, this time in the form of Ruslan's asp.net weblog.  Thank you very much.

# April 14, 2011 3:57 PM

NEeraj Chhabra said:

Thanks very much for this help

# April 16, 2011 5:42 AM

rbillar said:

great post saved me

# August 10, 2011 1:41 PM

rtyecript said:

I really liked the article, and the very cool blog

# August 23, 2011 6:51 PM

FabZ said:

Great post, you saved me three years late you wrote!

# August 31, 2011 11:51 AM

aliciatorres said:

Worked like a charm, years later and this issue still persist, thankfully there's also nice, clean, short solutions like this out there, thanks, saved me a potential headache.

# September 8, 2011 5:12 PM

Abdoosh87 said:

Maaaaaaaaaaaaaaaaaaan ... bless you

# October 24, 2011 7:19 PM

sanjayverma_mca said:

Hi to all ,

use this code it will resolve your issue of alternating and normal row editing in gridview.

if ((e.Row.RowState & DataControlRowState.Edit) > 0)

# December 9, 2011 8:58 AM

Haim said:

Thanks. your post is really helpful !!!!!!!!

# February 4, 2012 8:21 PM
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