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LINQ to datatable - how to create a variable?
Message
 
 
Information générale
Forum:
ASP.NET
Catégorie:
Code, syntaxe and commandes
Versions des environnements
Environment:
C# 4.0
OS:
Windows 7
Network:
Windows 2003 Server
Database:
MS SQL Server
Application:
Web
Divers
Thread ID:
01576896
Message ID:
01576946
Vues:
45
>Hi everybody,
>
>I have the following VFP code which I want to convert into LINQ to DataTable query
>
>
> do case
>            case llCheckType=.t. and llCheckCat=.t.
>               lcWhereCond="((type=2 and lsn_cat="+.VFP2SQL(csrDCIInfo.lsn_cat)+;
>                  ") or (type=3 and lessontype="+.VFP2SQL(csrDCIInfo.lessontype)+"))"
>            case llCheckCat=.t.
>               lcWhereCond="type=2 and lsn_cat="+.VFP2SQL(csrDCIInfo.lsn_cat)
>            otherwise
>               lcWhereCond="type=3 and lessontype="+.VFP2SQL(csrDCIInfo.lessontype)
>            endcase
>            select *;
>               from csrMax4Sale;
>               into cursor csrDCILimits NOFILTER;
>               where start_time < ltEndTime and end_time > ltStartTime and &lcWhereCond
>
>So, I found a few links on creating LINQ to datatable such as http://forums.asp.net/t/1150810.aspx for example.
>
>My problem right now that I need to make different queries depending on my conditions.
>
>So, I was thinking of
>
>if (condition 1)
>  var query = ....
>else
>  if (condition 2)
>     var query = ...
>
>
>So, I somehow need to declare this query variable at the top to be able to re-use it. But this is a problem - I don't know how to declare it with the type. What this var query should be so I can use it in my code?
>
>Thanks a lot in advance.

No ideas?
If it's not broken, fix it until it is.


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