Amir Hossein Khademi ab56bf3c20 Downgrade target frameworks and update dependencies ... - Downgraded target frameworks from net9.0 to net8.0 in multiple projects. - Updated package references to older versions across various projects. - Added and updated using directives in several files for better dependency management. - Modified `Student` entity to make `SectionId` nullable and updated related methods. - Introduced new migration files to reflect schema changes in the database. - Added new `ValidationException` and `ValidationBehavior` classes for improved validation handling. - Updated `launchUrl` in `launchSettings.json` to include `/swagger/v1`. - Reformatted constructor parameters in `Patient.cs` for better readability. - Removed `Sections` property from `University.cs`. - Changed `PatientId` and `Patient` properties in `MedicalHistory.cs` to internal.		2025-01-12 12:16:24 +03:30
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City	Downgrade target frameworks and update dependencies	2025-01-12 12:16:24 +03:30
Hospitals	Change DATABASE	2024-09-28 12:34:36 +03:30
MedicalHistory	Downgrade target frameworks and update dependencies	2025-01-12 12:16:24 +03:30
MedicalHistoryTemplate	Update to .NET 9, add patient features, and refactor	2025-01-12 11:22:32 +03:30
Patients	Downgrade target frameworks and update dependencies	2025-01-12 12:16:24 +03:30
Staffs	Downgrade target frameworks and update dependencies	2025-01-12 12:16:24 +03:30
User	Update to .NET 9, add patient features, and refactor	2025-01-12 11:22:32 +03:30