ado.net-entity-data-model
Get Specific Value from entity.OriginalValues in EFv4
I have an ObjectStateEntry \"entry\". I need to get a property value from this \"entry\" like so开发者_如何学Go, but I don\'t know how to specify the property I want. I use entry.OriginalValues(propNa[详细]
2023-01-06 05:08 分类：问答How to validate a database against an entity model?
I allow users to specify the data source and connection details. When this is complete, I set the Entity connection string. How do I validate the database they have chosen against the entity 开发者_JA[详细]
2023-01-05 11:08 分类：问答ADO.Net Entity Model - Is there a dialog for selecting the database? [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers.[详细]
2023-01-04 10:28 分类：问答How to properly reserve identity values for usage in a database?
We have some code in which we need to maintain our own identity (PK) column in SQL. We have a table in which we bulk insert data, but we add data to related tables before the bulk insert is done, thus[详细]
2023-01-04 05:02 分类：问答How to programatically create a database from an ADO.Net Entity Model?
I am using .Net Framework 4.0. I have an entity model (.edmx) and I have a menu option in my program for connecting to an existing database or creating a new one. When the user selects to create a new[详细]
2023-01-03 09:45 分类：问答EF4 is throwing an error "Schema specified is not valid"
I\'m getting a weird EF4 "Entity Framework v4" error when I do a select on the context: Schema specified is not valid. Errors:[详细]
2023-01-03 08:18 分类：问答Create database from ADO Entity Data Model
I\'ve described my model using an Ado Entity开发者_C百科 Data Model file (*.edmx), and i wish now to generate my db schema and tables from it. Is it possible?[详细]
2023-01-02 07:51 分类：问答ADO.NET Entity Data Model - Duplicates
How c开发者_高级运维an I add a Unqiue index to a column like in SQL, so it wont allow duplicates in the column?[详细]
2023-01-01 01:30 分类：问答Can I create a transaction using ADO NET Entity Data Model?
is it possible on the following try-catch to execute a set of statements as a transaction using ADO NET Entity Data Model?[详细]
2022-12-30 19:18 分类：问答ASP.Net Layered app - Share Entity Data Model amongst layers
How can I share the auto-generat开发者_运维知识库ed entity data model (generated object classes) amongst all layers of my C# web app whilst only granting query access in the data layer? This uses the[详细]
2022-12-30 08:11 分类：问答
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