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19:23
04/12/2009
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Hi:
I'm having an awkward problem here. I need to have a jqGrid return the results of a search query. What I need to do is, if the results are not what the user expected, they can specify a new search criteria and re run the query.
The problem is that for the second search to actually show up in the grid, I need an extra mouse click, I mean, the first search creates the grid and fills it fine. The second click would destroy (actually UnLoad) the grid but won't re-populate it and only the third click will show the results of the second search.
Here's my code:
var searchFor = $("#searchField").val();
var searchType = $('input[name="search_type"]:checked').val();
var g = $("#searchResults");
if ( g.jqGrid() )
g.GridUnload();
var project_id = $("#searchDialog #targetProject").val();
g.jqGrid(
{
datatype: "json",
height: 'auto',
autowidth: true,
url: '<?php echo url_for2('ajaxProjectSearch')?>',
postData: {
name: searchFor,
searchType: searchType
},
mtype: "POST",
colModel:[
{ name:'project_number', sortable: false, label: 'PSM', width: 20 },
{ name:'project_name', sortable:false, label: 'Project name', width: 70 }
],
viewrecords: true,
imgpath: gridimgpath,
rowNum: 10,
multiselect: false,
caption: "Search Results",
rowList:[10,20,30],
pager: 'searchResults_pager'
}
);
});
Thanks!
15:50
04/12/2009
Offline
I found a somewhat elegant solution to my problem. I believe the issue was in using the GridUnload method and re constructing the whole grid, which in my case, didn't make much sense to begin with. So I had to make a difference in whether the grid was already constructed or not (which was actually the hardest step). I used this test in order to see wether the grid was constructed or not:
if ( typeof(g[0].grid ) == "undefined" )
I don't know if there's a better way to accomplish this, if not, I think it'd be a good addition to the jqGrid plugin. Anyway, what I did in the else part of this if is change the postData and then reload the grid (but without unloading it first):
{
g.setGridParam( {
postData: {
name: searchFor
}
} );
g.trigger("reloadGrid");
}
And that was it!
. Perhaps another good addition could be a method to reload the grid with new post parameters or to add some parameters to the trigger("reloadGrid") method...
Anyway, thanks to all and hope this helps somebody!
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