//Method for submit the add & update subject form private void btnAddSubject_Click_1(object sender, EventArgs e) { // Set changed botton of text to submit text if addSubject form change to update form if (isformValid()) { //get value from input field s.ID = lblIndex.Text; s.OfferSemester = dropOffSem.Text.Trim(); s.OfferYear = dropOffYear.Text.Trim(); s.SubCode = txtSubCode.Text.Trim(); s.SubName = txtSubName.Text.Trim(); s.NumLecHr = numLecHr.Value.ToString().Trim(); s.NumTuteHr = numTuteHr.Value.ToString().Trim(); s.NumLabHr = numLabHr.Value.ToString().Trim(); s.NumEveHr = numEveHr.Value.ToString().Trim(); //Submit the add subject form if (btnAddSubject.Text == "Submit") { // call chkSubID method(check lecturer id alredy in db) bool exist = s.chkSubID(txtSubCode.Text.Trim()); //inserting data in to database using insertSubject method if (exist == true) { bool success = s.insertSubject(s); if (success == true) { MessageBox.Show("Subject was added Successfully", "Information", MessageBoxButtons.OK, MessageBoxIcon.Information); } else { MessageBox.Show("Somthing went Worng!\n\nCannot insert the value!", "Information", MessageBoxButtons.OK, MessageBoxIcon.Error); } } } //Submit the update subject form if (btnAddSubject.Text == "Update") { //inserting data in to database using insertSubject method bool success = s.updateSubject(s); if (success == true) { MessageBox.Show("Update successful", "Informtion", MessageBoxButtons.OK, MessageBoxIcon.Information); this.Close(); } else { MessageBox.Show("Update Failed", "Informtion", MessageBoxButtons.OK, MessageBoxIcon.Error); } } } }