private void btnDelete_Click(object sender, EventArgs e) { Search_Student_Details(); if (Validate_Controls()) { try { DialogResult dResult = MessageBox.Show("Are you sure to delete this record?", "Student TC", MessageBoxButtons.YesNo, MessageBoxIcon.Question); if (dResult == DialogResult.Yes) { _student_TC = new Student_TC(); short output = _student_TC.Delete_TC_Details(_student_ID); switch (output) { case 1: MessageBox.Show("Record deleted successfully.", "Student TC", MessageBoxButtons.OK, MessageBoxIcon.Information); break; case -1: MessageBox.Show("Error in deleting record.\n Please contact support team.", "Student TC", MessageBoxButtons.OK, MessageBoxIcon.Error); break; } } } catch { MessageBox.Show("Error: Please contact support team.", "Student TC", MessageBoxButtons.YesNo, MessageBoxIcon.Error); } finally { Reset_Controls(); txtRegistrationNo.Text = string.Empty; } } }