javascript - migration of Ext.Net 1.6 to Ext.Net 2.1 with MVC destroys renderer functionality -

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so have large project creating sample of migration ext.net 1.6 ext.net 2.1 mvc 4. doing have stumbled upon error, (after making web-application conform master page) renderer gridcolumn throws following errors:

uncaught typeerror: object function string() { [native code] } has no method 'format'  uncaught typeerror: cannot call method 'removechild' of null

the renderer in "headcontent" placeholder while gridpanel in "maincontent"

renderer function looks follows: 

<script type="text/javascript">     var template = '<span style="color:{0};">{1}</span>';      var listname = function (value, meta, record) {         return string.format(template, (record.data.blockstatus == "free") ? "green" : "red", value);     }; </script>

a general sample page use of ext.net work without problems.

any ideas on how fix this?

in ext js 4, string.format removed , replaced ext.string.format function. more information available in ext js documentation, see

http://docs.sencha.com/ext-js/4-2/#!/api/ext.string-method-format

also see item #40 of ext.net 2.0 breaking changes,

http://examples.ext.net/#/getting_started/introduction/breaking_changes/

hope helps.


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