ado.net-entity-data-model

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How do I pass a connection string to the constructor of a database-first DBContext with Entity Framework 4.1?

For various reasons I would like to not store the connection string for my Entity Framework DB model in one of the various .config files.(I am using the latest and greatest DBContext API with the new[详细]

2023-04-09 14:47 分类：问答
SqlBulkCopy error in staging only

We are getting the following error (only on the staging server) when we use SqlBulkCopy. The stored procedure has execute permissions. And they are working properly in our test environment. So what is[详细]

2023-04-01 12:45 分类：问答
Entity Data Model System.ArgumentOutOfRangeException

I am using the entity data model to connect to a database. It works fine locally. When I upload my website to the server it throws the following error:[详细]

2023-03-31 19:08 分类：问答
Reorganizing codes after generating it using ADO.NET DbContext Generator

Suppo开发者_Python百科se I am creating a application using the sample Northwind database using asp.net mvc 3 and entity framework database first approach. For that I am opening a new asp.net mvc 3 pro[详细]

2023-03-31 15:56 分类：问答
OData / WCF Data Services / EDM - Mapping to disparate data

I\'m researching OData as a RESTful interface fo开发者_如何学Pythonr a database. The data is structured in a very unusual way and normal tables and rows do not apply, in fact, some stuff just exists i[详细]

2023-03-31 12:06 分类：问答
Cannot drag and use EntityDataSource element from toolbox

I\'m working on a web application on .NET4 using VS 2010. I\'ve created an ADO.NET Entity Data Model (and put in the App_Code folder).[详细]

2023-03-30 16:44 分类：问答
WCF Service with version

I am new on working with WCF service, I am using ADO.Net Entity Data Model, Name it -> DogModel.edmx.[详细]

2023-03-28 14:28 分类：问答
EntityDataModel set parent key to null on insert or update

I am working in asp.net 3.5 sp1.I have two tables User UserID PK (int) UserName (varchar) ContactInfoID FK (int) Allow Null[详细]

2023-03-26 04:28 分类：问答
What's the difference between property Entity Reference and property in Entity Data Model?

I have three tables structure like following AppUserUserApp ********************* AppUserIdUserIdAppId UserId[详细]

2023-03-25 19:10 分类：问答
What steps are needed to use an Entity Framework model with a MySQL server?

I\'ve added and designed an ADO.NET Entity Data Model (.edmx) and have generated the corresponding DDL Script (.edmx.sql). When I was using SQL Server 2008, all I had to do开发者_运维知识库 was connec[详细]

2023-03-22 23:49 分类：问答