you can increase the size of the query by incresing the
maxJsonLength
.
Please try adding following code to the web.config file. if you need any help please send a message
<configuration>
<system.web.extensions>
<scripting>
<webservices>
<jsonserialization maxjsonlength="102400" />
</webservices>
</scripting>
</system.web.extensions>
</configuration>
you may like to read following article also
http://www.codeproject.com/script/Articles/MemberArticles.aspx?amid=9709891[
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