Use this tag for code reviews of or involving Linq to SQL classes, mappings and associations, or for code reviews of or involving querying a System.Data.Linq.DataContext object with Linq statements.
4
votes
1answer
98 views
Inserting customer care database analysis detail records
I have written this linq-to-sql query to insert a bunch of customer care database analysis detail records:
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2
votes
2answers
91 views
Delayed Include rules for EntityTypeConfiguration using LINQ expressions
The aim of this class is to set rules for including navigational properties on Configuration level and then apply where needed in the code.
I've decided to store expressions in the list for different ...
1
vote
1answer
54 views
Converting table data into nested JSON
I'm new to C# (coming from a JavaScript background) and it seems like this code could be greatly improved.
This SQL query:
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2
votes
1answer
75 views
Checking for user permissions
The idea here is we have Roles, Permissions, and a table called PermissionRoles that connect the two. So a Permissions can be in many Roles, and many Permissions can have the same Role. So what the ...
3
votes
1answer
92 views
Linq-to-SQL DAL on a Windows Forms project
I just started out a new job as a C# programmer on .NET 3.5. My manager gives me total independence on how I build my modules, which is generally a good thing, but there are minuses too. Having too ...
3
votes
1answer
102 views
Extension method to do Linq Lookups
Does this extension method contain unnecessary work? - Thanks for reviewing
Scenario - A series of tables are Key-Value pairs (Int "Id" / nvarChar "Title"). This extension method "dots-off" any ...
0
votes
1answer
217 views
Simplify IQueryable Linq to SQL query
Below I present to you an IQueryable LINQ to SQL query (used with NHibernate).
I have tried to simplify this query but I could not do it.
I want to run a query for searching information.
Options:
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2
votes
1answer
173 views
Why is loading images taking so long?
When Page_Load is executed I assign the ImageUrl which is a IHTTPHandler:
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3
votes
3answers
556 views
Code optimization by constant if-structure iteration removal
Below you will find the specific code that I am attempting to optimize. I have a method previous to called getCount() which, based on similar parameters as below, ...
2
votes
2answers
357 views
Linq C# pulling from table row into input fields
Today is the first time I've used Linq, so I wanted to get a code review on this and make sure I'm going about it correctly.
I'm filling text boxes and dropdown lists from a table row.
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10
votes
1answer
327 views
Password Manager UI: Populating DataGridView is Painfully Slow
I'm designing a small account/password manager using C# and SQL Server CE. LINQ to SQL is my ORM of choice.
Here's the data model representing how the SQL Server CE database is set up:
And here's ...
6
votes
1answer
5k views
A generic way to use LINQ to Entity with types and operations unknown until run time
A question was asked here about reflection and LINQ to entity. I'm trying to modify the code that was presented to fit my needs.
Here's what I am trying to accomplish: I'm writing back-end support ...
7
votes
1answer
871 views
Redundant DataContext ? - LINQ to SQL
This seems like a pretty basic question, so bear with me...Say I have two (or many) methods in the same class that need a LINQ to SQL DataContext. Additionally, I am needing the DataContext in other ...
2
votes
3answers
157 views
How to make my code faster and easier?
This is my .cs part code where I am calling storeprocedure in LINQ to SQL:
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7
votes
1answer
142 views
Does this unusual data access pattern create any problems?
The background
Two beginners without access to an experienced mentor write an ASP .NET MVC application, mostly simple CRUD, using Linq to SQL for the data access layer. Beginner number 1 writes the ...
3
votes
1answer
267 views
LINQ statement to aggregate data
Teachers can raise 'dramas' which are when students forget equipment, don't do homework or are flagged for concern. Each drama for each student is stored as a separate record.
I seek a list of all ...
7
votes
1answer
283 views
Comparison table for comparing products
I'm attempting to create a comparison table to compare products depending on the add-ons they have. To grab the data and filter it I'm using LINQ To SQL.
Table's Layout (cut short):
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