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0 VotesEntity frmaework Convert SQL to LINQ statement.
During entity framework developing, sometimes we need to convert SQL statement to LINQ, here are sample common method for your reference. #Table Structure. CREATE ...
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### EF TEAM NO LONGER USES THIS FORUM ###
Our team is no longer active on this forum. You may get a response from a member that is active on the forums in general, but you should consider asking questions using one of the following resources ...Sticky | 1 Replies | 14824 Views | Created by Rowan Miller - Wednesday, August 1, 2012 7:57 PM | Last reply by Zhanglong Wu - Tuesday, November 27, 2018 8:46 AM
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ADO.net Entity Data Model template is missing in vs 2019 community, need help
ADO.net Entity Data Model template is missing in vs 2019 community, need helpUnanswered | 6 Replies | 2253 Views | Created by Naveed0070 - Monday, September 23, 2019 5:12 PM | Last reply by hans_k - Tuesday, December 24, 2019 8:56 PM -
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Difference between Single, SingleOrDefault, First and FirstOrDefault
http://www.dotnettricks.com/learn/linq/understanding-single-singleordefault-first-and-firstordefault Single It returns a single specific element from a ...Answered | 3 Replies | 2801 Views | Created by Sudip_inn - Thursday, December 14, 2017 6:05 PM | Last reply by DA924x - Tuesday, December 24, 2019 9:09 AM -
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One to One Relationship With Same Entity Type - FluentAPI
p.Partner) .WithOne(p => p.Partner) // Not sure what to do here on the reverse since its same entity .IsRequired(false) ...Unanswered | 1 Replies | 145 Views | Created by Godymn - Thursday, December 19, 2019 7:57 AM | Last reply by Daniel_Zhang-MSFT - Friday, December 20, 2019 3:10 AM -
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After upgrading asp.net core mvc 2.2 to 3.0 application deployed into IIS 7.5, 8.5 is not working
After upgrading asp.net core 2.2 to 3.0. It is perfectly working in my local machine but after deploying into IIS 7.5, 8.5 it is not working showing the following error ...Answered | 2 Replies | 327 Views | Created by Shravan Sangishetti - Monday, December 9, 2019 4:05 PM | Last reply by Daniel_Zhang-MSFT - Thursday, December 19, 2019 7:28 AM -
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Update(decrypt) EF connection string password in DBcontext
This is my Entity framework connection string in web.config <add name="myEntities" ...Unanswered | 3 Replies | 1221 Views | Created by Dinesh Mat - Friday, October 26, 2018 7:27 AM | Last reply by rakatherock - Wednesday, December 18, 2019 5:55 AM -
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EF6, LINQ, Computed Field - Only initializers,... are supported
Hello I have a table which is represented by this POCO class public partial class Chemistry { public double? C { get; set; ...Unanswered | 4 Replies | 220 Views | Created by [Beer] - Friday, December 13, 2019 9:00 AM | Last reply by Daniel_Zhang-MSFT - Monday, December 16, 2019 9:20 AM -
3 Votes
How to assign stored procedure result to a entity inside select statement in entity framework.
(t.Active || t.TempActive) && t.ProjectId == projectid) join UP in db.User_X_Project on project.ProjectId equals UP.ProjectId ...Unanswered | 6 Replies | 401 Views | Created by Radhakishan - Friday, December 6, 2019 6:00 AM | Last reply by Daniel_Zhang-MSFT - Wednesday, December 11, 2019 8:08 AM -
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how to filter Query by date in Dynamic LINQ
hi i am using EF withe Oracle DB and i want to filter my Table according to the user input (13 optional input) i used ...Answered | 4 Replies | 7892 Views | Created by Uninstall Visual Studio 2013 Professional with MSD - Tuesday, March 25, 2014 8:17 AM | Last reply by KISHOR KABADI - Monday, December 9, 2019 10:00 AM -
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Visual Studio 2019 & Data Connection & Entity Framework Wizard (Oracle)
I'm trying to do two things with VS2019 and am having some trouble. First, I'm trying to create a Data Connection to an Oracle database that I can use when creating all the Entity ...Unanswered | 4 Replies | 3867 Views | Created by Jay Williams - Tuesday, April 16, 2019 11:51 PM | Last reply by William Xifaras - Sunday, December 8, 2019 3:14 PM -
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how to access a Table valued function in asp.net core 2.2
Hi, In my SQL server I created a Table Valued function: CREATE FUNCTION [Warning].[UserInDepartement] ( @UserId ...Answered | 4 Replies | 1810 Views | Created by RobWarning - Wednesday, March 6, 2019 11:45 AM | Last reply by Ben Brandt - Thursday, December 5, 2019 11:09 PM -
1 Votes
INSERT statement conflicted with the FOREIGN KEY
/*Post Product*/ var category = await _context.ProductCategories.ToListAsync(); if (category == ...Unanswered | 8 Replies | 498 Views | Created by Nhlahla Mike - Wednesday, December 4, 2019 8:43 AM | Last reply by DA924x - Thursday, December 5, 2019 3:58 PM -
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EF dll does not find connection string
Hi there, I am trying to use C# dll that uses entity framework. I am importing that DLL into a LabVIEW project and when run it throws an exception with a message 'No connection ...Answered | 6 Replies | 522 Views | Created by JonasLub - Tuesday, November 19, 2019 11:12 AM | Last reply by JonasLub - Wednesday, November 27, 2019 10:45 AM -
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Sequence contains no element
I am getting sequence contains no element error when this statement is hit: CurrentContext.All<Resource>(), this was working previously and my backend database view does have multiple records. ...Answered | 2 Replies | 397 Views | Created by Raj Krish - Tuesday, November 26, 2019 2:31 PM | Last reply by Raj Krish - Wednesday, November 27, 2019 8:06 AM -
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What should be the ProviderManifestToken for SqlServer 2017 in EDMX ?
Recently we migrated the SQL server version in our DB servers from SQL server 2014 to SQL server 2017 , the EDMX (entity framework database first approach) which generated during Sqlserver 2014 ...Unanswered | 2 Replies | 399 Views | Created by Vasanth kumar V - Friday, November 22, 2019 11:04 AM | Last reply by Vasanth kumar V - Monday, November 25, 2019 12:12 PM -
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Entity Framework Code First with Dynamics Navision Tables
Türkçe... Yeni bir kelime listesi oluştur... Kopyala Dil Kılavuzuna Ekle Kelime listesi yok İngilizce -> ...Unanswered | 1 Replies | 397 Views | Created by iakkhos - Sunday, November 24, 2019 8:39 AM | Last reply by Daniel_Zhang-MSFT - Monday, November 25, 2019 7:30 AM -
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Get total count of days between two dates Linq C#
new ReportVieModel { EnglishDates = x.admin.mastertablebles.Where(d => ...Answered | 2 Replies | 425 Views | Created by denkyira - Saturday, November 23, 2019 3:29 AM | Last reply by denkyira - Sunday, November 24, 2019 4:49 AM -
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Multiple foreign key to same table, how to rename navigation properties?
Hi, I'm new to Entity Framework and stuck with an issue. Let's say I have a "user" table with two FK to "address" table : ...Unanswered | 2 Replies | 448 Views | Created by sierra_mike - Thursday, November 21, 2019 1:59 PM | Last reply by sierra_mike - Saturday, November 23, 2019 10:19 AM -
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help me with LINQ statement to give IN clause in where condition
I have the following model DepotModel DepotNo int Depotname string DepotBreakLock DepotNo ...Unanswered | 2 Replies | 481 Views | Created by polachan - Thursday, November 21, 2019 3:41 PM | Last reply by Kyle Wang - MSFT - Friday, November 22, 2019 5:09 AM -
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EF DbContext.Set<T> filtered record only
Hi, I'm new to EF using 4.2 I just want to know what is the best way where I can restrict EF to load only filtered data instead of pulling all the data from the db and ...Answered | 6 Replies | 5196 Views | Created by sheikho - Monday, February 20, 2012 10:12 AM | Last reply by Oswaldo da Silva Nicacio Junior - Wednesday, November 20, 2019 9:02 PM -
1 Votes
How to perform crud operations using design patterns?
Hi All, I want to perform crud operations with out using entity frame work related patterns(like repository,...). Please guide me with an example(s). Waiting for ...Unanswered | 1 Replies | 409 Views | Created by Sai Pranav - Wednesday, November 20, 2019 3:28 PM | Last reply by DA924x - Wednesday, November 20, 2019 4:50 PM - Items 1 to 20 of 16247 Next ›
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