private void buttonGenerate_MouseClick(object sender, MouseEventArgs e)
{
try
{
if (textBoxKey.Text.Trim() != "" && textBoxMonth.Text.Trim() != "")
{
for (int w = 0; w < Convert.ToInt32(textBoxKey.Text); w++)
{
Random ran = new Random();
String random = "";
String b = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
for (int i = 0; i < 5; i++)
{
for (int j = 0; j < 5; j++)
{
int a = ran.Next(b.Length); //string.Lenght gets the size of string
random = random + b.ElementAt(a);
if (j == 4 && i < 4)
{
random = random + "-";
}
}
}
if (IsKeyExist(random).Count < 1)
{
Encryption.Class1 obj = new Encryption.Class1();
using (RMSDBEntities db = new RMSDBEntities())
{
Subcription_Tbl obj1 = new Subcription_Tbl();
obj1.SubcriptionKey = Encryption.Class1.Encrypt(random, "Softangle@2999");
obj1.UserTyoe = Encryption.Class1.Encrypt("keynotused", "Softangle@2999");
obj1.ForeignId = Encryption.Class1.Encrypt(textBoxMonth.Text.Trim(), "Softangle@2999");
db.Subcription_Tbl.Add(obj1);
db.SaveChanges();
}
}
else
{
MessageBox.Show("key Already Exist.");
}
}
MessageBox.Show("Data saved!");
ClearFeilds();
}
else
{
MessageBox.Show("Fields are empty.");
}
}
catch (Exception exp)
{
MessageBox.Show(exp.Message, "Error Message");
}
}
private void buttonActivate_MouseClick(object sender, MouseEventArgs e)
{
try
{
int match = 0;
if (textBox1.Text != "")
{
List <Subcription_Tbl> sk = new List <Subcription_Tbl>();
sk = Key();
for (int i = 0; i < sk.Count; i++)
{
Encryption.Class1 obj = new Encryption.Class1();
if (textBox1.Text.Equals(Encryption.Class1.Decrypt(sk[i].SubcriptionKey, "Softangle@2999")))
{
if (Encryption.Class1.Decrypt(sk[i].UserTyoe, "Softangle@2999").Equals("keynotused"))
{
using (RMSDBEntities db = new RMSDBEntities())
{
Login_Tbl obj1 = new Login_Tbl();
obj1.First_Login_Date = DateTime.Now;
obj1.Expiration_Date = DateTime.Now.AddMonths(Convert.ToInt32(Encryption.Class1.Decrypt(sk[i].ForeignId, "Softangle@2999")));
obj1.Last_Login_Date = DateTime.Now;
obj1.IsAuthenticated = 1;
List <Login_Tbl> lt = new List <Login_Tbl>();
lt = record();
if (lt.Count == 0)
{
db.Login_Tbl.Add(obj1);
db.SaveChanges();
}
else
{
Login_Tbl RowinDb1 = db.Login_Tbl.SingleOrDefault();
RowinDb1.First_Login_Date = obj1.First_Login_Date;
RowinDb1.Expiration_Date = obj1.Expiration_Date;
RowinDb1.Last_Login_Date = obj1.Last_Login_Date;
RowinDb1.IsAuthenticated = 1;
db.SaveChanges();
}
// updating key used to change value
Subcription_Tbl ok = new Subcription_Tbl();
ok.SubcriptionKey = Encryption.Class1.Encrypt(textBox1.Text, "Softangle@2999");
Subcription_Tbl RowinDb = db.Subcription_Tbl.Where(d => d.SubcriptionKey == ok.SubcriptionKey).SingleOrDefault();
RowinDb.UserTyoe = Encryption.Class1.Encrypt("keyalreadyused", "Softangle@2999");
db.SaveChanges();
MessageBox.Show("Software Registered Successfully");
match = 1;
textBox1.Clear();
}
}
else
{
MessageBox.Show("Subcription Key Already Used.");
textBox1.Clear();
}
}
else
{
if (i == sk.Count - 1 && match == 0)
{
MessageBox.Show("Invalid Subcription Key.");
textBox1.Clear();
}
}
} // foreloop end
}
else
{
MessageBox.Show("Enter Subcription Key.");
}
}
catch (Exception exp)
{
MessageBox.Show(exp.Message, "Error Message");
}
}