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[Solved] Entity Framework Core (EF 6) Error: Unabl
ENTITY FRAMEWORK
Likes 91
Views 593
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[Solved] Entity Framework Core (EF 6) Error: Unable to track an entity of type 'YourModalName' because primary key property 'id' is null.
ENTITY FRAMEWORK
Likes: 91
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What is New in Asp Net 7 and EF Core 7 (Best Featu
RESEARCH
Likes 19
Views 0
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What is New in Asp Net 7 and EF Core 7 (Best Features)
RESEARCH
Likes: 19
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Performance Tuning for ASP.NET Web Applications
.NET 7
Likes 109
Views 398
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Performance Tuning for ASP.NET Web Applications
.NET 7
Likes: 109
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Error The instance of entity type ModalType cannot
.NET 7
Likes 66
Views 372
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Error The instance of entity type ModalType cannot be tracked because another instance with the key value {id: 7656544} is already being tracked.
.NET 7
Likes: 66
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Cassandra Entity Framework Error "TypeLoadExceptio
QUESTIONS
Likes 55
Views 0
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Cassandra Entity Framework Error "TypeLoadException: Method 'GenerateScript' in type"
QUESTIONS
Likes: 55
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Entity Framework Core 6 and 7 Tips and Tricks
ENTITY FRAMEWORK
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Views 0
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Entity Framework Core 6 and 7 Tips and Tricks
ENTITY FRAMEWORK
Likes: 29
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InvalidOperationException: An exception was thrown
ENTITY FRAMEWORK
Likes 69
Views 0
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InvalidOperationException: An exception was thrown while attempting to evaluate the LINQ query parameter expression
ENTITY FRAMEWORK
Likes: 69
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EF Core 6 Error: Error Number:262,State:1,Class:14
ENTITY FRAMEWORK
Likes 96
Views 314
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EF Core 6 Error: Error Number:262,State:1,Class:14 CREATE TABLE permission denied in database
ENTITY FRAMEWORK
Likes: 96
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How to Solve XUnit Automated Testing Error: Castle
MVC
Likes 114
Views 1715
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How to Solve XUnit Automated Testing Error: Castle DynamicProxy InvalidProxyConstructorArgumentsException
MVC
Likes: 114
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Entity Framework Core Error: To change the IDENTIT
ENTITY FRAMEWORK
Likes 105
Views 2404
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Entity Framework Core Error: To change the IDENTITY property of a column, the column needs to be dropped and recreated
ENTITY FRAMEWORK
Likes: 105
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InvalidOperationException: The required column 'Ca
ENTITY FRAMEWORK
Likes 10
Views 0
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InvalidOperationException: The required column 'Categoryid' was not present in the results of a 'FromSql' operation
ENTITY FRAMEWORK
Likes: 10
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How to get the last record of Entity Framework mod
.NET 7
Likes 61
Views 10
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How to get the last record of Entity Framework model data
.NET 7
Likes: 61
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Entity framework "InvalidCastException: Unable to
.NET 7
Likes 69
Views 171
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Entity framework "InvalidCastException: Unable to cast object of type 'System.Int32' to type 'System.Decimal."
.NET 7
Likes: 69
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_context.SaveChanges is not working
ENTITY FRAMEWORK
Likes 60
Views 0
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_context.SaveChanges is not working
ENTITY FRAMEWORK
Likes: 60
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Microsoft.EntityFrameworkCore.Database.Transaction
ENTITY FRAMEWORK
Likes 114
Views 2822
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Microsoft.EntityFrameworkCore.Database.Transaction[20205] An error occurred using a transaction.
ENTITY FRAMEWORK
Likes: 114
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The configured execution strategy 'SlqServerRetryi
.NET 7
Likes 57
Views 0
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The configured execution strategy 'SlqServerRetryingExecutionStrategy' does not support user-initiated transactions. Use the execution strategy returned by DbContext.Database.CreateExecutionStrategy()' to execute
.NET 7
Likes: 57
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Asp.Net Core Error: InvalidOperationException: The
.NET 7
Likes 96
Views 341
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Asp.Net Core Error: InvalidOperationException: The database generated a null value for non-nullable property 'PropertyName' of entity type 'EntityName'. Ensure value generation configuration in the database matches the configuration in the model
.NET 7
Likes: 96
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Connection Timeout Expired. The timeout period el
HOME
Likes 18
Views 0
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Connection Timeout Expired. The timeout period elapsed while attempting to consume the pre-login handshake acknowledgement. This could be because the pre-login handshake
HOME
Likes: 18
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How to Count the Number of records in the Database
.NET 7
Likes 132
Views 532
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How to Count the Number of records in the Database Table using Asp.Net Core Entity Framework Core
.NET 7
Likes: 132
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InvalidOperation: The connection was not closed. T
ENTITY FRAMEWORK
Likes 41
Views 0
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InvalidOperation: The connection was not closed. The connections current state is connecting
ENTITY FRAMEWORK
Likes: 41
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InvalidOperationException: An error was generated
.NET 7
Likes 58
Views 35
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InvalidOperationException: An error was generated for warning 'Microsoft.EntityFrameworkCore.Query.InvalidIncludePathError': Unable to find navigation 'EntityName' specified in string based include path 'AnotherEntity Name'.
.NET 7
Likes: 58
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[EF Core] How to Enable Sensitive Data Logging and
ENTITY FRAMEWORK
Likes 33
Views 0
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[EF Core] How to Enable Sensitive Data Logging and Detailed Errors
ENTITY FRAMEWORK
Likes: 33
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System.ObjectDisposedException: Cannot access a di
OTHER
Likes 68
Views 177
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System.ObjectDisposedException: Cannot access a disposed context instance. A common cause of this error is disposing a context instance that was resolved from dependecy injection and then later trying to use the same context instance elsewhere in your application.
OTHER
Likes: 68
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Microsoft Data SqlClient SqlException (0x80131904)
ENTITY FRAMEWORK
Likes 61
Views 0
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Microsoft Data SqlClient SqlException (0x80131904) New transaction is not allowed because there are other threads running in the session
ENTITY FRAMEWORK
Likes: 61
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The expression 'b.listOfFileRecords' is invalid in
ENTITY FRAMEWORK
Likes 42
Views 0
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The expression 'b.listOfFileRecords' is invalid inside an 'Include' operation, since it does not represent a property access
ENTITY FRAMEWORK
Likes: 42
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PJSIP Commands
OTHER
Likes 8
Views 0
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PJSIP Commands
OTHER
Likes: 8
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System.InvalidOperationException: The ConnectionSt
ENTITY FRAMEWORK
Likes 31
Views 0
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System.InvalidOperationException: The ConnectionString property has not been initialized [EF Core 7, Asp.Net 7]
ENTITY FRAMEWORK
Likes: 31
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Asp.Net 5 Development Notes (DotNet Core 3.1 Study
SOFTWARE DEVELOPMENT
Likes 61
Views 423
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Asp.Net 5 Development Notes (DotNet Core 3.1 Study Notes)
SOFTWARE DEVELOPMENT
Likes: 61
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Return url is required
.NET 7
Likes 58
Views 0
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Return url is required
.NET 7
Likes: 58
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InvalidOperationException: The property 'EntityNam
QUESTIONS
Likes 65
Views 26
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InvalidOperationException: The property 'EntityName' has a temporary value while attempting to change the entity's state
QUESTIONS
Likes: 65
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SQL Server Tips and Tricks
SQL
Likes 44
Views 0
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SQL Server Tips and Tricks
SQL
Likes: 44
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Asp.Net MVC Development Notes
.NET 7
Likes 79
Views 752
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Asp.Net MVC Development Notes
.NET 7
Likes: 79
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Invalid column name '*_ID'
ENTITY FRAMEWORK
Likes 31
Views 0
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Invalid column name '*_ID'
ENTITY FRAMEWORK
Likes: 31
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An Exception was thrown while attempting to evalua
.NET 7
Likes 41
Views 0
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An Exception was thrown while attempting to evaluate the LINQ query parameter expression
.NET 7
Likes: 41
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How to Use DisplayFor to Display Text from EF Core
.NET 7
Likes 33
Views 0
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How to Use DisplayFor to Display Text from EF Core Data Annotation in MVC and Components
.NET 7
Likes: 33
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_context.ChangeTracker 'threw an exception of type
.NET 7
Likes 70
Views 300
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_context.ChangeTracker 'threw an exception of type 'System.ObjectDisposedException'
.NET 7
Likes: 70
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Performance Tuning in Entity Framework Core 5 and
.NET 7
Likes 87
Views 333
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Performance Tuning in Entity Framework Core 5 and AspNet 5
.NET 7
Likes: 87
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How to Remove Duende IdentityServer from Blazor We
.NET 7
Likes 39
Views 0
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How to Remove Duende IdentityServer from Blazor Web Assembly Application in Visual Studio 2022
.NET 7
Likes: 39
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SqlException: A connection was successfully establ
.NET 7
Likes 31
Views 0
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SqlException: A connection was successfully established with the server, but then an error occurred during the login process. (provider: SSL Provider, error: 0 - The certificate chain was issued by an authority that is not trusted.)
.NET 7
Likes: 31
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The type namespace QuickGrid could not be found
.NET 5
Likes 43
Views 0
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The type namespace QuickGrid could not be found
.NET 5
Likes: 43
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Asp.Net Core EF Core Error: Cannot access a dispos
ENTITY FRAMEWORK
Likes 102
Views 3944
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Asp.Net Core EF Core Error: Cannot access a disposed object. A common cause of this error is disposing a context that was resolved from dependency injection and then later trying to use the same context instance elsewhere in your application. This may occur if you are calling Dispose() on the context, or wrapping the context in a using statement. If you are using dependency injection, you should let the dependency injection container take care of disposing context instances.
ENTITY FRAMEWORK
Likes: 102
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What is New in Entity Framework 5 Shipped in Asp.N
.NET 7
Likes 78
Views 274
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What is New in Entity Framework 5 Shipped in Asp.Net 5
.NET 7
Likes: 78
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How to Sign Out a User when Session Expires in Asp
.NET 7
Likes 39
Views 0
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How to Sign Out a User when Session Expires in AspNetCore
.NET 7
Likes: 39
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How to Select Top Distinct Values from a LINQ Grou
ENTITY FRAMEWORK
Likes 35
Views 0
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How to Select Top Distinct Values from a LINQ Group by Results using Entity Framework Core
ENTITY FRAMEWORK
Likes: 35
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C-Sharp 11 Tips and Tricks
RESEARCH
Likes 58
Views 90
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C-Sharp 11 Tips and Tricks
RESEARCH
Likes: 58
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Software Best Practices Learned by Experience
SYSTEM DESIGN
Likes 38
Views 0
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Software Best Practices Learned by Experience
SYSTEM DESIGN
Likes: 38
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ASP.NET 8 Best Practices: Coding, Performance Tips
.NET 7
Likes 98
Views 368
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ASP.NET 8 Best Practices: Coding, Performance Tips, and Tricks
.NET 7
Likes: 98
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Why is dotnet watch run not showing changes in the
.NET 7
Likes 56
Views 0
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Why is dotnet watch run not showing changes in the View or Razor Pages
.NET 7
Likes: 56
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[HTTP Error 500.30]: Failed to load coreclr.Except
SERVERS
Likes 37
Views 0
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[HTTP Error 500.30]: Failed to load coreclr.Exception message CLR worker thread exited prematurely
SERVERS
Likes: 37
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How to Connect Pyramid Cash Acceptor in Windows 10
WINDOWS
Likes 88
Views 234
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How to Connect Pyramid Cash Acceptor in Windows 10 (APEX 7000 Series)
WINDOWS
Likes: 88
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