replacing space to %20 of url in

I am appending date time to URL which is in the format 7/14/2015 5:42:00. i need to convert space between date and time portion to %20

how to do it.  

One wary may be appending date and time separately with %20 in between.

is there any better way to do it  in
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Daniel Van Der WerkenIndependent ConsultantCommented:
Use the HttpUtility.UrlEncode() method.
If you want to encode the entire url then Dan7el provides a good method, however, if you want to encode just the path portion, then you would use HttpUtility.UrlPathEncode().

That being said, however, in my testing UrlPathEncode is a tad buggy (probably why Microsoft recommends just using UrlEncode:

My real recommendation would be to use the Uri.EscapeUriString() method to encode only the path and query portion of the Url.  To encode the full Url, I would recommend the Uri.EscapeDataString().

Proof of concept:
Imports System.Web

Module Module1
	Sub Main()
		Dim url = " 1&val2=Value 2&dt=7/14/2015 5:42:00"
		Console.WriteLine("Url before encoding: {0}", url)
		Console.WriteLine("Url after encoding: {0}", HttpUtility.UrlEncode(url))
		Console.WriteLine("Url after encoding: {0}", HttpUtility.UrlPathEncode(url))
		Console.WriteLine("Url after uri escapedatastring: {0}", Uri.EscapeDataString(url))
		Console.WriteLine("Url after uri escapeuristring: {0}", Uri.EscapeUriString(url))
	End Sub
End Module

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Produces the following output -Capture.JPG-saige-

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Visual Basic.NET

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