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Issue with a EF Model having a property that is also a Model

Hello,I have an EF Model, lets call it Model 1, in C# that has 4 columns, CreatedBy, CreatedByDate,ModifiedBy,ModifiedByDate,this model has a property that is a different model that has the same 4...

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Authentication

I was just wondering if I could get some help on understanding what this block of code does, specifically : IdentityDbContext<ApplicationUser>Ā . Thanks !Ā publicclassApplicationDbContext :...

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How to join 2 IQuerables

I have 2 queries which have same table joins but different where conditions. I need to compare the result of these 2 queries. Instead of saying .ToList() on each query and getting the result into...

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Updating model from database throws an exception

Hi,I've recently updated Visual Studio to version 15.7.1Now, when trying to update modelĀ I get this messageOutput window:Unable to generate the model because of the following exception:...

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TPC: prevent creation of abstract class tables.

I'm trying to implement a code-first scenario where Abstract Base classes are used ONLY for defining the table-modelsĀ the point is to define similar properties ONCE and then let the inheritance work...

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Remove Columns from Datatable

Hi, I want to export the results of a database query to a csv file which works fine but I also need to remove certain columns from the Datatable before the csv file is exported.Ā  Which columns that get...

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Insert query not working in a loop

Ok.. here is the problem.. I have a loop which loops for ten times. For each iteration an insert query is executed. This insert query has 5 column values whose value is again a query itself i.e sub...

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How to copy data from one table to another?

I've two table "main" & "temporary" with the same fields. I want to copy the "temporary" table data to the "main" table & I'm using the entity framework. Is there any way to do that without...

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Excel --> MVC

Hello,I'm trying to create new website MVC with Owin/Identity and control all records from Excel. But I can't find any useful information how to do it. Maybe someone can guide me a bit? or show any...

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Exporting search result to excel sheet in mvc application.

I have a web application and multiple search options. I need to export the result in excel sheet. I tried storing the result in session and export it to excel, it works fine with small database, but...

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Azure SQL and DTUs

Hi all,Reasonably easy question. I don't understand the DTU concept that is attached to the Azure SQL database.Is DTU more like petrol tank on a car where you have certain amount and if you use it you...

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Stored Procedure expects parameter --- which was not supplied.

I get a : "Procedure or function 'sp_mysp' expects parameter '@LastNameT6e', which was not supplied" at execution ; I have assigned all my ado.net correctly it seems , as these same object identifiers...

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Call a stored procedure from webapi method using EF in .Net Core application ---

Hi, In my .Net Core based web application I am accessing and using a MSSQL database. Through entity framework. Initially there were only tables. I have now written a stored procedure and am looking for...

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ASP.NET Application - Insert Row in Azure SQL database

<div class="post-text" itemprop="text">I am trying to insert a row in the Azure table and the getting an errorĀ Cannot POST '/tables/Sate_Customer\nI am successfully able to insert in 'Customer'...

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AsNoTracking in linq and ef

<div class="votecell post-layout--left"> <div class="vote">0 down vote favorite<div class="favoritecount"></div> </div> </div> <div class="postcell...

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help me please why error in Red

Imports System.Data.SqlClientPublic Class delicious Inherits System.Web.UI.Page Dim conn As New SqlConnection(" Data...

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C# Question: LINQ Select statement all records ....

I have a LINQ SELECT statement Question: I need to Select from TableA with 2 where clauses, Order by and get the count of Number of records returned. Goal: one statement that select 2 fields from the...

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Creating a search function with relavence

HiI am trying to build a search facility and have a basic idea on sort of maybe not, but how do i go about my sorting by relavence?I know I have to give a weight to the certain search parameters?

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Do i need more than one set of records?

HiLet say I have an ecommerce site, and as part of that I need CRUD operation, a quality search faciltiy, and a way to review how the site works, what customers are doing etc.So do i need different...

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SQL Network Interfaces, error 26

Last night I applied patches to my SQL 2012R2 server.Updates .Net Framework to 4.7 and a new version of Symantec Endpoint Protection 14Today I get SQL Network Interfaces, error 26 when trying to open a...

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