private void BtnPrevious_Click(object sender, EventArgs e)
{
var selectedRow = Int32.Parse(txtRow.Text.Trim()) - 1;
var maximum = persister.CountRows();
if (selectedRow <= 0)
{
// do nothing
}
else
{
var row = persister.GetRow(selectedRow);
txtFirstname.Text = System.Convert.ToString(row["First Name"]);
txtLastname.Text = System.Convert.ToString(row["Last Name"]);
txtEmailAddress.Text = System.Convert.ToString(row["E-mail Address"]);
txtBusinessPhone.Text = System.Convert.ToString(row["Business Phone"]);
txtCompany.Text = System.Convert.ToString(row["Company"]);
txtTitle.Text = System.Convert.ToString(row["Job Title"]);
// txtRow.Text = selectedRow.ToString()
txtRow.Text = System.Convert.ToString(row["ID"]);
}
}
internal void LoadFile(string selectedFile)
{
persister.Dispose();
persister = new PFW.CSIST203.Project3.Persisters.Access.AccessPersister(selectedFile);
if (persister.CountRows() > 0)
{
// enable all of the fields for editing
txtRow.Text = "1"; // reset back to the first item in the data table
txtFirstname.Enabled = true;
txtLastname.Enabled = true;
txtEmailAddress.Enabled = true;
txtBusinessPhone.Enabled = true;
txtCompany.Enabled = true;
txtTitle.Enabled = true;
btnSave.Enabled = true;
DisplayRow(1);
}
else
{
txtRow.Text = "0"; // reset back to zero
txtFirstname.Enabled = false;
txtLastname.Enabled = false;
txtEmailAddress.Enabled = false;
txtBusinessPhone.Enabled = false;
txtCompany.Enabled = false;
txtTitle.Enabled = false;
btnSave.Enabled = false;
// clear out all of the fields
txtFirstname.Text = string.Empty;
txtLastname.Text = string.Empty;
txtEmailAddress.Text = string.Empty;
txtBusinessPhone.Text = string.Empty;
txtCompany.Text = string.Empty;
txtTitle.Text = string.Empty;
}
}
