How To Get The Value of XDocument Using C#

Many thanks Manas Mohapatra

 

i have tried your suggestion it works as long as the Element "PrescribedRegimenTypeCode" is found in the XML document but if it can't find it, then it throw "

Object reference not set to an instance of an object

what do i do in issue like this, i suggest i will need to check first if that Element is present  but how can i do that please i need any help as 9 am of 25th of Nov 2016 is my deadline

 

thank you 

Try like below:

When you know that some files may have it and some may not, the code as follows is too optimistic:

 

 

Here you are accessing the property .Value of a node which is not found. So may be you should just call .Descendants first. See what it returns and then call .Single().Value on result later.

 

Hope you get the point!

Many thanks Nitin Sontakke ,

 

I noticed that too after evaluating the code, i then rewrite it in this form :

 

result=xd.Descendants("PrescribedRegimenTypeCode").Single().Value;

 

how can i resolve this issue

 

thanks 

Honestly, I am not sure if you can do the assignment and evaluation in one go. Because from my knowledge of C (which is almost nothing) all assignments always return true. Personally, i think same is the case in C#. 

 

So you cannot write code like:

 

 

Because, as per my knowledge and belief (which I am ready to discard at submission of first proof!) the variable result will not be evaluation here. It is the result of assignment, which is always true will be evaluated. As such, this condition will probably always return true.