private void btnSubmit_Click(object sender, EventArgs e) { if (txtRCusID.Text == "" || txtRVideoCode.Text == "") { MessageBox.Show("There is no customer or video in the system", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); } else { try { IssueTran newtrans = new IssueTran(); newtrans.CustomerID = txtCusID.Text; newtrans.VideoCode = Convert.ToInt16(txtVideoCode.Text); newtrans.DateIssue = dtpIssue.Value; newtrans.DateDue = dtpDue.Value; newtrans.DateActualReturn = null; newtrans.RentalStatus = "IN"; newtrans.Remarks = textBox1.Text; ctx.IssueTrans.Add(newtrans); ctx.SaveChanges(); MessageBox.Show("Transaction Completed", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information); ResetTextBox(); } catch { MessageBox.Show("Error Occurred! Try again!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); ResetTextBox(); } } }