protected void btnCreateSemester_Click(object sender, EventArgs e) { if (!(string.IsNullOrWhiteSpace(txtSemesterName.Text) && string.IsNullOrWhiteSpace(ddlSemesterMonth.SelectedValue) && string.IsNullOrWhiteSpace(ddlSemesterYear.SelectedValue))) { try { Semester.AddSemester(txtSemesterName.Text, Convert.ToInt32(ddlSemesterMonth.SelectedValue), Convert.ToInt32(ddlSemesterYear.SelectedValue)); lblStatus_CreateSemester.Text = "Semester added successfully!"; } catch (Exception ex) { lblStatus_CreateSemester.Text = ex.ToString(); } } else { } }