In programming language theory,a lambda function is a function defined, and possibly called, without being bound to an identifier.
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Predicatebuilder group and or queries with inner outer
I've got a pretty straightforward predicate builder query that works well. We have a list of keywords to search on, and we loop through those keywords to see if any of our object properties match up.
...
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1answer
124 views
create dynamic query in EF in multi layer architecture and repository pattern
i want to create dynamic linq query or dynamic linq or lambda expression.
i am using this article
for example i want to tell to repository get products that their names start with 'computer' and (and ...
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360 views
LINQ Queries with dynamic OrderBy on property and complex object
With the code below, I don't have any problem to sort on FirstName and LastName
but I'd like be able to sort on Name and Code too. Is there a solution to sort on a property and this property is a ...
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1answer
64 views
Linq with reflexion error: Expression LINQ 'Invoke' node is not supported in LINQ to Entities
I'm having troubles dealing with lambda expressions. I'm working with MVC under EF, and I trying to create a "MetaModel" of which every Model will inherits and with it a method to List elements with ...
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C# and SQL recursive searching of a table
I have a db table that consists simply of a column of current ids (the key) and a second columnm with their previous ids. The ids are for a specific object, but they have to change periodically. I ...
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How do I profile Lambda function performance?
In Visual Studio 2012, my program spends about 35% of its time inside a lambda function, but when I try to profile my code (ANALYZE -> Start Performance Analysis) it just says that it's spending 35% ...
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Why does rails scope lambda modify global?
I have an ActiveRecord Scope that takes a value for a lambda function.
I only want to assign the result, if the value exists e.g.
Controller:
@result = @record.relation.in_scope(@param) if @param
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How to update the record in linq
I will be having the records for the rows.
The records will be like
rowid rowname
1 first
1 second
2 third
3 fourth
3 fifth
4 sixth
5 ...
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Updating a Variable also Updates item in Object List<>
Below is the code in which i am trying to get an item from the list into the variable
"timetableDetail"
timetableDetail = (From ttdItem In ITempTimeTableDetailItem
...
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113 views
Handling OData any() operation using JavaScript
I am handling OData filtering by converting filters to JavaScript expressions and evaluating them against my Data. All is well so far where I had flat Data Structures.
Now, I am having a collection ...
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138 views
Using lambda function in MVC3 to populate a field from one view model with the value from another
I have a model which contains view models for each view. This model is held in session and is initialised when application starts. I need to be able to populate a field from one view model with the ...
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290 views
Custom htmlhelper for Telerik CurrencyTextBoxFor - how to resolve type issue?
We built some HtmlHelpers that leverage the Telerik MVC extensions. One of the reasons we do this is to easily get our preferred layout for a tag, which is the label on top of the tag. The Telerik ...
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iterating through var object Linq To Entities FunctionImport
I added a Store Procedure to a Entity model .
Store Procedure returns multiple rows
var result = entities.spGetFunctionImport(.... );
var resultlist = result.Select( x => new myObject() {
...
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157 views
JQuery Template Tags use with Lambda Expressions under Html Helper Extensions in Razor
I am trying to use JQuery Template tags like below:
var element1 = '@Html.TextBoxFor(m=>m.{{=key}})';
and
var element1 = '@Html.TextBoxFor(m=>m.${key})';
Either way, I am getting ...
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Anonymous Method in Object initializer
I am creating a quiz in which have followign class
Quiz with properties CorrectOption, WrongOption1, WrongOption2, WrongOption3.
in its DTO i have the List<String> Options that will contain ...
