I am writing to a CSV that will contain different customer information. Right now when I write to it, it overwrites whatever is in the path right now. Instead of overwriting I would like the new writer.WriteLine to append to the current CSV without overwriting it.
Code
protected void btnDownload_Click(object sender, EventArgs e)
{
try
{
string linie = "\"" + txtTitle.Text + "\",\"" + txtFirst.Text + "\",\"" + txtLast.Text + "\",\"" + txtAddress.Text
+ " \",\"" + txtCity.Text + "\",\"" + txtState.Text + "\",\"" + txtZip.Text + "\",\"" + txtPhone.Text + "\",\""
+ "\",\"" + txtEmail.Text + "\",\"" + txtBank.Text + "\",\"" + txtCu ...
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