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setGridParam problem?

27/05/2009
07:45

rocketbob

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27/05/2009

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I'm building a grid dynamically, as I don't know the colModels and colNames collections until runtime. I set those when creating the grid and and it works just fine. However, I have a select on the page where the user can set a different database query, thus requiring a refresh of the colNames and colModels collections, then reloading the grid. This isn't working, and I get a 'undefined' is null or not an object on line 756 of grid.base.js (3.5 beta 2.) The colModel array apparently is not being updated when I call setGrid like this:

$.fn.RefreshMyDataGrid = function(gridData) {
$("#MyDataGrid").setGridParam({

postData: { ObjectName: $('#selAvailableViews').val(), colNames: gridData.columnNames, colModel: gridData.columnModels }

}).trigger("reloadGrid");
};

gridData is an object containing the colNames and colModels arrays, and works fine when initially loading the grid. How can I refresh those properties and reload the grid if this doesn't work?

Regards,

Bob

28/05/2009
03:32

tony

Sofia, Bulgaria

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30/10/2007

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Hello,

jqGrid does not support dynamically loading configuration per request.

In order to do this you should first GridUnload and then recreate the grid.

With setGrid param this will not work

Suppose the grid is initially configured

$("#mybutton").click(function(){

$("#mygrid").GridUnload(); // destroy the grid saving the table and pager

// here code to load new jqGrid configuration - like colmodel, colnames and etc

var newjqgridoptions = .....

$("#mygrid").jqGrid(newjqgridoptions);

return false;

})

Hope this help

Regards

Tony

For professional UI suites for Java Script and PHP visit us at our commercial products site - guriddo.net - by the very same guys that created jqGrid.

28/05/2009
09:26

rocketbob

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27/05/2009

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Hi Tony,

Thanks for the help. After I had posted the message I discovered the unloadgrid method and resolved it exactly as you described.

Regards,

Bob

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