We are using Ajax.NET in our new project. Most of the issues we had,
has been solved by upgrading to a new version of the assembly.
By using a code profiler we have encountered a serious performance
problem when using JSON serialization.
The problem is located here:
public class JavaScriptString : IJavaScriptObject
Name: AjaxPro.JavaScriptString
Assembly: AjaxPro.JSON.2, Version=6.7.20.1
internal void Append(char c)
{
this._value = this._value + c;
}
internal void Append(string s)
{
this._value = this._value + s;
}
The obvious question is; why not use a StringBuilder instead of
appending characters to a string? A quick test shows us:
Appending 8192 characters;
using string += char: 46,845ms
using StringBuilder.Append: 0ms (0 ticks)
When this is done a few times during a request, considerable time is
wasted.
I would like to know if it is possible to resolve this issue in the
near future?
regards,
Trond Nilsen
SuperOffice ASA.
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