Linq Dynamic ParseLambda not resolving
I’m trying to use the sample code I found here for something i’m working on:
How to convert a String to its equivalent LINQ Expression Tree?
linq
Linq expression to filter formcollection
I have a FormCollection and I just want to only iterate through the keys the do not contain the string pricing.
Fastest way to fill DataTable from LINQ query using DataContext
I am trying to run a linq query but I need the result as a datatable as I am using that to store records from different queries in the same viewstate object.
ASP.Net / C#, Loop through certain controls on a page?
I am currently looping through all the controls on my page and setting certain types (TextBox, CheckBox, DropDownList, etc.) to Enabled=False under certain conditions.
However I notice an obvious page load increase looping like this. Is it possible to only get certain types of controls from the Page.Controls object rather than Loop through them all? Possibly with something like LINQ?
Unit test insert/update/delete
I have googled this a little and didn’t really find the answer I needed.
How to Delete multiple records in Linq to Entity?
I have a tblA in sql: id int (primary key) fid int data in tblA is: 1 1 2 1 3 2 4 2 5 3 6 3 i delete one record by following code: DatabaseEntities obj = new DatabaseEntities(); int i = 2; tblA t = obj.tblA.Where(x => x.fid == i).FirstOrDefault(); obj.DeleteObject(t); obj.SaveChanges(); i … Read more
Logic for displaying infinite category tree in nested s from Self Join Table
Please help me solve my big problem.
in my on-line shopping project i created a dynamic Category List (with Infinite Level Depth) Implemented in a Single Table in DB with Self join.
the schema is like below:
(source: aspalliance.com)
Linq performance for in-memory collection
I have a list: Collection users which has around 100K+ records of users (all user objects fully loaded from the database with fields like Bio, First name, last name etc). This collection is fetched on application start from the database and is kept in memory.
c# / Linq sum where
I have a table NCR containing data of the format: