Null reference exception

Question

0.00/5 (No votes)

See more:

C#

if (RadioButtonList1.SelectedItem.Text == "Quantity Less than minimum")
       {         


       }

i am using if loop with condition above and am finding null reference exception was unhandled by user code, how to sort it out?

Posted 5-Dec-11 23:05pm

Vivek Shankar

Updated 5-Dec-11 23:07pm

Mehdi Gholam

v2

Add a Solution

Comments

Karthik Harve 6-Dec-11 5:09am

does any item in the radio button list is selected before the statement is executed..???

2 solutions

Solution 2

C#

if (!string.IsNullOrEmpty(RadioButtonList1.SelectedItem.Text))
        {
if (RadioButtonList1.SelectedItem.Text == "Quantity Less than minimum")
       {         
 

       }
        }

Posted 5-Dec-11 23:14pm

Anuj Banka

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Mehdi Gholam · Accepted Answer · 2011-12-05T23:07:00

Solution 1

Use the following :

C#

if (RadioButtonList1.SelectedItem !=null && RadioButtonList1.SelectedItem.Text == "Quantity Less than minimum")

Posted 5-Dec-11 23:07pm

Mehdi Gholam

Comments

Wendelius 6-Dec-11 5:09am

Clean and efficient, my 5

Mehdi Gholam 6-Dec-11 5:18am

Cheers, glad you are back!

Wendelius 6-Dec-11 5:30am

Thanks, since it's our national holiday, I happen to have some extra time :)

http://www.yle.fi/uutiset/news/2011/12/google_honours_finlands_independence_day_3083189.html[^]

Mehdi Gholam 6-Dec-11 5:40am

Happy national day!

Wendelius 6-Dec-11 5:43am

Thanks :)