VB.NET takes the input from user like network address and port number and check it check it, the entered IP address and port number are valid or not as well as check the enter digit how many digits are entered in input box. Some one who knows please reply me.
Thank you

Honestly I'm not sure what you're talking about, are you creating some sort of a program to connect to an outside server?? Please elaborate for more clear troubleshooting.

you can use

1 validation control for this

2. use ASSCI code value to compare the text value

3. set limits for each text box

4. use combo box if possible


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