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Updating certain properties of entity using EF6 without loading entire entity

Update a record without first querying?Validation failed for one or more entities. See 'EntityValidationErrors' property for more detailsIgnoring a class property in Entity Framework 4.1 Code FirstEntity Framework - Include Multiple Levels of PropertiesEntity Framework Provider type could not be loaded?Update an entity property when another property changes (after entity is initialized)Entity Framework 5 Updating a RecordHow to update record using Entity Framework 6?Change tracking behavior changed between EF6 and EF4. How to revert back to Ef4 behavior?EF6 Update Attach Needs IsModified else Silent Fail vs EF4ASP.NET MVC: EntityValidationErrors

0

(This question has been asked on SO and i have read most of the related posts and try to implement based on the suggestions but still not working)

• I am using EF6 ( not EF Core)


• I am also using DB first approach. So we have .edmx file and C# entities are created by edmx template ( not sure if that matters here)

I want to update certain properties of an entity without loading the entire entity.

 private async Task Monitor()
 
 var timeStamp = DateTime.UtcNow.AddHours(-8);
 var documents = await _dbContext.Documents
 .Where(x => x.DocumentCreatedDateTime < timeStamp)
 .Select(x => new
 
 x.DocumentID,
 x.DocumentCreatedDateTime,
 x.ProcessStatusID,
 ProcessStatus = x.ProcessStatus.ProcessStatusName,
 x.CurrentErrors,
 x.ModifiedDateTime,
 x.VersionStamp 
 )
 .ToListAsync();

 if (documents.Count == 0)
 
 return;
 

 foreach (var document in documents)
 
 var docEntity = new Document();

 docEntity.DocumentID = document.DocumentID;
 docEntity.CurrentErrors = "Document has error";
 docEntity.ProcessStatusID = (int)StatusEnum.Error;
 docEntity.ModifiedDateTime = DateTime.UtcNow;
 docEntity.VersionStamp = document.VersionStamp;

 _dbContext.Documents.Attach(docEntity);
 var entry = _dbContext.Entry(docEntity);
 entry.Property(p => p.CurrentErrors).IsModified = true;
 entry.Property(p => p.ProcessStatusID).IsModified = true;
 entry.Property(p => p.ModifiedDateTime).IsModified = true;
 entry.Property(p => p.VersionStamp).IsModified = true;
 

 await _dbContext.SaveChangesAsync().ConfigureAwait(false);
 

Issue

The document entity has several other properties (columns) that are required in the database. But this particular process does not need to update those properties. When SaveChanges() get invoked i get EntityValidationErrors error

Update 1

I think i can do db.Configuration.ValidateOnSaveEnabled = false but not sure is that is the correct approach

The xxxxx field is required.

c# .net entity-framework entity-framework-6

share|improve this question

edited Mar 8 at 21:22

LP13

asked Mar 8 at 21:07

LP13LP13

5,1891166150

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  This question has been asked on SO - What does that mean? Are you repeating an existing question?
  
  – Gert Arnold
  Mar 8 at 21:30
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  not same but similar kind of question
  
  – LP13
  Mar 8 at 21:39
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Well, if you can ensure that the updates are valid it's OK to disable validation for one specific SaveChanges call.
  
  – Gert Arnold
  Mar 8 at 21:40
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @LP13 Better is EF SqlCommand option.
  
  – TanvirArjel
  Mar 9 at 2:20
  

  
  
  
  

add a comment | 

0

(This question has been asked on SO and i have read most of the related posts and try to implement based on the suggestions but still not working)

• I am using EF6 ( not EF Core)


• I am also using DB first approach. So we have .edmx file and C# entities are created by edmx template ( not sure if that matters here)

I want to update certain properties of an entity without loading the entire entity.

 private async Task Monitor()
 
 var timeStamp = DateTime.UtcNow.AddHours(-8);
 var documents = await _dbContext.Documents
 .Where(x => x.DocumentCreatedDateTime < timeStamp)
 .Select(x => new
 
 x.DocumentID,
 x.DocumentCreatedDateTime,
 x.ProcessStatusID,
 ProcessStatus = x.ProcessStatus.ProcessStatusName,
 x.CurrentErrors,
 x.ModifiedDateTime,
 x.VersionStamp 
 )
 .ToListAsync();

 if (documents.Count == 0)
 
 return;
 

 foreach (var document in documents)
 
 var docEntity = new Document();

 docEntity.DocumentID = document.DocumentID;
 docEntity.CurrentErrors = "Document has error";
 docEntity.ProcessStatusID = (int)StatusEnum.Error;
 docEntity.ModifiedDateTime = DateTime.UtcNow;
 docEntity.VersionStamp = document.VersionStamp;

 _dbContext.Documents.Attach(docEntity);
 var entry = _dbContext.Entry(docEntity);
 entry.Property(p => p.CurrentErrors).IsModified = true;
 entry.Property(p => p.ProcessStatusID).IsModified = true;
 entry.Property(p => p.ModifiedDateTime).IsModified = true;
 entry.Property(p => p.VersionStamp).IsModified = true;
 

 await _dbContext.SaveChangesAsync().ConfigureAwait(false);
 

Issue

The document entity has several other properties (columns) that are required in the database. But this particular process does not need to update those properties. When SaveChanges() get invoked i get EntityValidationErrors error

Update 1

I think i can do db.Configuration.ValidateOnSaveEnabled = false but not sure is that is the correct approach

The xxxxx field is required.

c# .net entity-framework entity-framework-6

share|improve this question

edited Mar 8 at 21:22

LP13

asked Mar 8 at 21:07

LP13LP13

5,1891166150

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  This question has been asked on SO - What does that mean? Are you repeating an existing question?
  
  – Gert Arnold
  Mar 8 at 21:30
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  not same but similar kind of question
  
  – LP13
  Mar 8 at 21:39
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Well, if you can ensure that the updates are valid it's OK to disable validation for one specific SaveChanges call.
  
  – Gert Arnold
  Mar 8 at 21:40
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @LP13 Better is EF SqlCommand option.
  
  – TanvirArjel
  Mar 9 at 2:20
  

  
  
  
  

add a comment | 

(This question has been asked on SO and i have read most of the related posts and try to implement based on the suggestions but still not working)

• I am using EF6 ( not EF Core)


• I am also using DB first approach. So we have .edmx file and C# entities are created by edmx template ( not sure if that matters here)

I want to update certain properties of an entity without loading the entire entity.

 private async Task Monitor()
 
 var timeStamp = DateTime.UtcNow.AddHours(-8);
 var documents = await _dbContext.Documents
 .Where(x => x.DocumentCreatedDateTime < timeStamp)
 .Select(x => new
 
 x.DocumentID,
 x.DocumentCreatedDateTime,
 x.ProcessStatusID,
 ProcessStatus = x.ProcessStatus.ProcessStatusName,
 x.CurrentErrors,
 x.ModifiedDateTime,
 x.VersionStamp 
 )
 .ToListAsync();

 if (documents.Count == 0)
 
 return;
 

 foreach (var document in documents)
 
 var docEntity = new Document();

 docEntity.DocumentID = document.DocumentID;
 docEntity.CurrentErrors = "Document has error";
 docEntity.ProcessStatusID = (int)StatusEnum.Error;
 docEntity.ModifiedDateTime = DateTime.UtcNow;
 docEntity.VersionStamp = document.VersionStamp;

 _dbContext.Documents.Attach(docEntity);
 var entry = _dbContext.Entry(docEntity);
 entry.Property(p => p.CurrentErrors).IsModified = true;
 entry.Property(p => p.ProcessStatusID).IsModified = true;
 entry.Property(p => p.ModifiedDateTime).IsModified = true;
 entry.Property(p => p.VersionStamp).IsModified = true;
 

 await _dbContext.SaveChangesAsync().ConfigureAwait(false);
 

Issue

The document entity has several other properties (columns) that are required in the database. But this particular process does not need to update those properties. When SaveChanges() get invoked i get EntityValidationErrors error

Update 1

I think i can do db.Configuration.ValidateOnSaveEnabled = false but not sure is that is the correct approach

The xxxxx field is required.

c# .net entity-framework entity-framework-6

share|improve this question

edited Mar 8 at 21:22

LP13

asked Mar 8 at 21:07

LP13LP13

5,1891166150

 private async Task Monitor()
 
 var timeStamp = DateTime.UtcNow.AddHours(-8);
 var documents = await _dbContext.Documents
 .Where(x => x.DocumentCreatedDateTime < timeStamp)
 .Select(x => new
 
 x.DocumentID,
 x.DocumentCreatedDateTime,
 x.ProcessStatusID,
 ProcessStatus = x.ProcessStatus.ProcessStatusName,
 x.CurrentErrors,
 x.ModifiedDateTime,
 x.VersionStamp 
 )
 .ToListAsync();

 if (documents.Count == 0)
 
 return;
 

 foreach (var document in documents)
 
 var docEntity = new Document();

 docEntity.DocumentID = document.DocumentID;
 docEntity.CurrentErrors = "Document has error";
 docEntity.ProcessStatusID = (int)StatusEnum.Error;
 docEntity.ModifiedDateTime = DateTime.UtcNow;
 docEntity.VersionStamp = document.VersionStamp;

 _dbContext.Documents.Attach(docEntity);
 var entry = _dbContext.Entry(docEntity);
 entry.Property(p => p.CurrentErrors).IsModified = true;
 entry.Property(p => p.ProcessStatusID).IsModified = true;
 entry.Property(p => p.ModifiedDateTime).IsModified = true;
 entry.Property(p => p.VersionStamp).IsModified = true;
 

 await _dbContext.SaveChangesAsync().ConfigureAwait(false);
 

share|improve this question

edited Mar 8 at 21:22

LP13

asked Mar 8 at 21:07

LP13LP13

5,1891166150

share|improve this question

edited Mar 8 at 21:22

LP13

asked Mar 8 at 21:07

LP13LP13

5,1891166150

asked Mar 8 at 21:07

LP13LP13

5,1891166150

asked Mar 8 at 21:07

LP13LP13

5,1891166150