protected void btnCheck_Click(object sender, EventArgs e)
{
SQL sql = new SQL();
try
{
Guid gu = new Guid(key.Value.Trim().ToString());
bool hasTaken = sql.checkIFTaken(gu);
if (hasTaken)
{
string name = sql.CheckCandidate(gu);
if (name == null)
{
throw new NullReferenceException();
}
int allowed_time = sql.getAllowedTime(gu);
time.InnerText = allowed_time.ToString() + " Minutes";
Username.Value = name;
if (error.Visible == true)
{
error.Visible = false;
complete.Visible = true;
key.Disabled = true;
}
else
{
complete.Visible = true;
key.Disabled = true;
}
}
else
{
if (complete.Visible == true)
{
complete.Visible = false;
error.Visible = true;
error.InnerText = "It looks like you have already taken this test!";
}
else
{
error.Visible = true;
error.InnerText = "It looks like you have already taken this test!";
}
}
} catch(NullReferenceException){
if (complete.Visible == true)
{
complete.Visible = false;
error.Visible = true;
}
else
{
error.Visible = true;
}
}
catch (Exception)
{
if (complete.Visible == true)
{
complete.Visible = false;
error.Visible = true;
}
else
{
error.Visible = true;
}
}
}
