Foreign Key Constraint Error: Conflict with foreign key that doesn’t exist
i tried to update my migration but then an error occurred
the value remain null when i select a dropdown
<div class=”form-floating mb-3″> <select class=”form-control” @bind=”Input.SelectedGradeId”> <option value=””>Select Grade</option> @if (Input?.Grades != null) { @foreach (var grade in Input.Grades) { <option value=”@grade.Id”> @grade.Id – @grade.Level </option> } } </select> <label for=”grade” class=”form-label”>Grade</label> <ValidationMessage For=”() => Input.SelectedGradeId” class=”text-danger” /> <p>selected grade = @Input.SelectedGradeId</p> </div> <div class=”form-floating mb-3″> <InputSelect class=”form-control” @bind-Value=”Input.SelectedOrgUnitId”> <option value=””>Select Org Unit</option> @if (Input?.OrgUnits […]