protected override ValidationResult IsValid(object value, ValidationContext validationContext)
{
if (value == null) // Checking for Empty Value
{
return(new ValidationResult("Course code is required"));
}
else
{
//Search in the databases to check if the value exists in the column of Course Code
CourseBusinessLayer courseBL = new CourseBusinessLayer();
string code = (string)value;
if (!courseBL.CourseExistByCode(code))
{
return(new ValidationResult($"Course Code {code} doesn't exist."));
}
}
return(ValidationResult.Success);
}
/// <summary>
/// Generate an EnrollViewModel instance with a Enroll instance
/// </summary>
/// <param name="enroll"></param>
public EnrollViewModel(Enroll enroll)
{
Id = enroll.Id;
StuId = enroll.StuId;
CourseCode = enroll.CourseCode;
Year = enroll.Year.Value;
Semester = enroll.Semester.Value;
//get the course name
CourseBusinessLayer courseBL = new CourseBusinessLayer();
CourseName = courseBL.FindCourseName(CourseCode);
//get the student name
StudentBusinessLayer stuBL = new StudentBusinessLayer();
StuName = stuBL.FindStuName(StuId);
}
