private void accNoSignuptextBox_Leave(object sender, EventArgs e) { if (accNoSignuptextBox.Text == "") { accNoSignuptextBox.Text = "Account No"; accNoSignuptextBox.ForeColor = Color.Silver; } if (accNoSignuptextBox.Text == "Account No") { AmountPaytextBox.Enabled = false; SecurityNumtextBox2.Enabled = false; } if (accNoSignuptextBox.Text.Length != 16) { AccNoerrorProvidersignup.SetError(accNoSignuptextBox, "Invalid Card Number"); } else { accNoValidation = 0; AccNoerrorProvidersignup.Clear(); } }
private void accNoSignuptextBox_KeyPress(object sender, KeyPressEventArgs e) { if (!char.IsControl(e.KeyChar) && !char.IsDigit(e.KeyChar)) { e.Handled = true; AccNoerrorProvidersignup.SetError(this.accNoSignuptextBox, "Only Numerical value is valid as Account number"); } else { AccNoerrorProvidersignup.Clear(); accNoValidation = 0; this.Refresh(); } if (accNoSignuptextBox.Text != null) { AmountPaytextBox.Enabled = true; SecurityNumtextBox2.Enabled = true; } }