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C J
960
igCombo intial value should be blank/empty/placeholder
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I'm having a bit of trouble with an igCombo element. I want the field to either be BLANK on entry to the page, or contain a "--Pick One--" (preferably semi greyed out, like the 'placeholder' in a text field.) nullText should work but doesn't; the page is loaded and the first list item is displayed.

The only way I can get it blank on initial display is to have TWO lines of code for it:

$("#ddlType").igCombo({ text:"" });

$("#ddlType").igCombo("option","text","");

Why do I need to have both of these to simply have nothing selected on a new page?

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  • 10685
    Suggested Answer
    Offline posted

    Hello CJ,
    Default igCombo behavior is exactly what you require. You could see an online basic sample illustrating this at:
    http://igniteui.com/combo/overview
    In order to have a text displayed when there is no selection made, I suggests using nullText option, like described here:
    http://help.infragistics.com/jQuery/2014.2/ui.igcombo#options:nullText

    For example:
    $(function () {

                var data = [
                          { "ID":1, "Name": "John Smith", "Age": 45 },
                          { "ID":2, "Name": "Mary Johnson", "Age": 32 },
                          { "ID":3, "Name": "Bob Ferguson", "Age": 27 }
                    ];
               
                $("#combo").igCombo({
                    dataSource: data, //JSON Array defined above        
                    valueKey: "ID",
                    textKey: "Name",
                    nullText : "--Pick One--"
                });
            });

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