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hideCol Error

19/10/2011
20:40

GregT

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This code:

$("#mygrid").jqGrid("hideCol",col_name);

Yields this (in GC):

Uncaught TypeError: Cannot read property 'width' of undefined

The hide works (eg. the column disappears), so col_name must be OK, and the grid is otherwise working fine.

Any advice?

20/10/2011
04:04

tony

Sofia, Bulgaria

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Hello,

We need a test case. There is no error if we use the demo here

http://trirand.com/blog/jqgrid.....qgrid.html

New in version 3.2 => Hide/Show columns

Regards

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.

20/10/2011
17:05

GregT

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Thank you for your reply, Tony. I will put an example together sometime today.

On a related note, do you agree that this code (below) should always work, assuming '#treegrid' starts off as a normal, successfully rendered, 'working' grid?

var ccm = $("#treegrid").getGridParam();

$("#treegrid").jqGrid("GridUnload");

$("#treegrid").jqGrid(ccm);

It yields a GC error, "Uncaught TypeError: Cannot read property 'stype' of undefined". I will isolate this as well, if it would be useful to you.

20/10/2011
17:56

GregT

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Not sure if you are interested, but it appears that the second issue ('stype undefined') happens as follows:

1. treeGrid:true, datatype:'jsonstring' ('jsonstring' is a documented requirement for treeGrid).

2. When you do 'GetGridParam', the 'datatype' has been set back to 'local' somewhere inside jqGrid.

3. This causes the attempt to create the new version of the grid to fail.

Solution:

var ccm = $("#treegrid").getGridParam();

// force datatype back to what we originally set it to, and what treeGrid needs

ccm.datatype = 'jsonstring';

$("#treegrid").jqGrid("GridUnload");

$("#treegrid").jqGrid(ccm);

I could send a complete example if you want.

I'm still working on the hideCol one … I'm pretty sure it's specific to treeGrid, though, and this explains why your demo works. Of course, one would hope that hideCol works in the treeGrid as well.

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