C#

troubled one wrote:

for example, when someone enters "hello" in textbox1 as "message.txt", and clicks send button, the streamwriter will save the file into a notepad as "message.txt"

troubled one wrote:

but is it possible to store that notepad permanently such that if the user clicks the send button another time with a different content like "goodbye", the streamwriter will save the file into a different notepad like "message2.txt" and the content will be "goodbye" ?

N a v a n e e t h wrote:

StreamWriter won't be able to create a file.

Giorgi Dalakishvili wrote:

StreamWriter creates a new file if it doesn't exist.

M. J. Jaya Chitra wrote:

Now i want to reduce this to 16 digit Hexadecimal format.

Can any one tell me how to reduce a text of any size to 16 digit Hexadecimal?

M. J. Jaya Chitra wrote:

Then can I get the string back by decoding.

M. J. Jaya Chitra wrote:

The output should be in 16 or 20 digit i.e a licence key.