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how to validate IP address in c# and javascript?
Posted by
Allemahesh
under
C#
on 7/18/2013 |
Points: 10
| Views : 2992 | Status :
[Member]
[MVP]
| Replies : 5
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how to validate IP address in c# and javascript.
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Posted by:
Ssj_Kumar
on: 7/18/2013
[Member]
Starter
|
Points: 25
0
string strIPAddress= "192.0.0.1";
IPAddress Address;
if(IPAddress.TryParse(strIPAddress, out Address))
{
//Valid IP Address
}
Regards,
Jayakumar Selvakani
Allemahesh
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Posted by:
Allemahesh
on: 7/18/2013
[Member]
[MVP]
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Points: 25
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Dear Kumar,
I have tried your code, but not working.
E.g.:
string strIPAddress = "244";
IPAddress Address;
if (IPAddress.TryParse(strIPAddress, out Address))
{
//Valid IP Address
}
This code is giving true but it should be false.
Can you help me.
Allemahesh
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Posted by:
Ssj_Kumar
on: 7/18/2013
[Member]
Starter
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Points: 25
0
If you give 244 it will assume like 0.0.0.244
Use the below code
string strIPAddress = "192.0.0.244";
IPAddress Address;
string[] strAddress = strIPAddress.Split('.');
if (strAddress.Count() == 4)
{
if (IPAddress.TryParse(strIPAddress, out Address))
{
//Valid IP Address
}
}
else
{
//please provide valid IP address
}
Regards,
Jayakumar Selvakani
Allemahesh
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Posted by:
Allemahesh
on: 7/22/2013
[Member]
[MVP]
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Points: 25
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I understand, but if user pass 244 as an ip, then it is invalid. But your code is showing a valid one. So how to do this?
Allemahesh
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Posted by:
Ssj_Kumar
on: 7/22/2013
[Member]
Starter
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Points: 25
0
did you tried with the second code? bcz it will solve that problem
Regards,
Jayakumar Selvakani
Allemahesh
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