protected void semesterDropDownList_SelectedIndexChanged(object sender, EventArgs e)
{
try
{
CourseManager aCourseManager = new CourseManager();
int departmentId = Convert.ToInt16(departmentDropDownList.Text);
int semesteId = Convert.ToInt16(semesterDropDownList.Text);
List<Course> courses = new List<Course>();
courses = aCourseManager.GetAllCoursesByDepartment(departmentId, semesteId);
courseDropDownList.DataSource = courses;
courseDropDownList.DataBind();
}
catch (SqlException sqlException)
{
msgLabel.ForeColor = Color.Red;
msgLabel.Text = "Database error.See details error: " + sqlException.Message;
}
catch (Exception exception)
{
msgLabel.ForeColor = Color.Red;
string errorMessage = "Unknow error occured.";
errorMessage += exception.Message;
if (exception.InnerException != null)
{
errorMessage += exception.InnerException.Message;
}
msgLabel.Text = errorMessage;
}
}
