I work in c# windows form vs 2015 selecting data from excel
problem i face it
supose i have in excel file
user id dateprint
1001 22/02/2017
if try add this user 1001 again with date 23/02/2017
it must give me message this user found before
but this is not happen and this is actually my problem
my code
Code:bool c = QRC.UserExists(textBox1.Text); bool b = UserExistsToday(); if (c == true) { if (b == true) { label8.Text = "User added today"; } else { label8.Text = "User added before"; }