private void btnNext_Click(object sender, EventArgs e)
{
try
{
RecordSerrializable record = (RecordSerrializable)reader.Deserialize(input);
string[] values = new string[] {
record.Account.ToString(),
record.FirstName.ToString(),
record.LastName.ToString(),
record.Balance.ToString()
};
if (record.Protection == true)
{
checkBoxProtection.Checked = true;
}
else
{
checkBoxProtection.Checked = false;
}
SetTextBoxValues(values);
} // end try
catch (SerializationException)
{
input.Close(); // close FileStream if no Records in file
btnLoad.Enabled = true; // enable Open File button
//btnNext.Enabled = false; // disable Next Record button
ClearTextBoxes();
MessageBox.Show("Error Reading from File", "Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
} // end catch
}
private void btnEnter_Click(object sender, EventArgs e)
{
// store TextBox values string array
string[] values = GetTextBoxValues();
// Record containing TextBox values to serialize
RecordSerrializable record = new RecordSerrializable();
// determine whether TextBox account field is empty
if (values[(int)TextBoxIndices.ACCOUNT] != "")
{
// store TextBox values in Record and serialize Record
try
{
// get account number value from TextBox
int accountNumber = Int32.Parse(
values[(int)TextBoxIndices.ACCOUNT]);
// determine whether accountNumber is valid
if (accountNumber > 0)
{
// store TextBox fields in Record
record.Account = accountNumber;
record.FirstName = values[(int)TextBoxIndices.FIRST];
record.LastName = values[(int)TextBoxIndices.LAST];
record.Balance = Decimal.Parse(
values[(int)TextBoxIndices.BALANCE]);
if (checkBoxProtection.Checked)
{
record.Protection = true;
}
else
{
record.Protection = false;
}
// write Record to file, fields separated by commas
formatter.Serialize(output, record);
} // end if
else
{
// notify user if invalid account number
MessageBox.Show("Invalid Account Number", "Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
} // end else
} // end try
// notify user if error occurs in serialization
catch (SerializationException)
{
MessageBox.Show("Error Writing to File", "Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
} // end catch
// notify user if error occurs regarding parameter format
catch (FormatException)
{
MessageBox.Show("Invalid Format", "Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
} // end catch
} // end if
ClearTextBoxes();
}
