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Deactivate an item in a valuelist based on a tag property

Posted on 2009-05-08
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Last Modified: 2012-08-14
I have some items in an Infragistics (using 2008 volume 3 WinForms) valuelist which are active and some are inactive but need to be displayed for historical records purposes.  

My ideal situation would be to display them but not select the item.  The second best scenario would be to do a strikethrough on the text of the Inactive records.
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Question by:busapps
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Expert Comment

by:PlatoConsultant
ID: 24344430
there is a before drop down event you can handle it and then depend upon the data present in the grid row u will handle the enabling or disabling of this drop down...





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Author Comment

by:busapps
ID: 24344447
Not quite what I'm looking for.  I need to allow some ValueListItems to be selected within a ValueList, but other ValueListItems within the ValueList to be not selected.  
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LVL 11

Expert Comment

by:PlatoConsultant
ID: 24344768
can u use the filter items, if u want to disable some items in the valuelist there need to do too much programming.

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Author Comment

by:busapps
ID: 24344774
not sure what you mean, please expound.
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Accepted Solution

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PlatoConsultant earned 500 total points
ID: 24344850
it is difficult to enable / disable  items in the value list at run time ... change the popluating of value list logic as shown in the infragisitcs sample.




    private void PopulateSpacePortsValueList()
	{
        if ( this.gridValueLists.DisplayLayout.ValueLists.Exists("SpacePorts") )
			return;
 
        ValueList objValueList = this.gridValueLists.DisplayLayout.ValueLists.Add("SpacePorts");
 
        DataTable ds = new SpaceFlightsData().SpacePorts;
 
        for ( int i = 0; i < ds.Rows.Count; i++ )
            objValueList.ValueListItems.Add((int)(ds.Rows[i].ItemArray[0]), ds.Rows[i].ItemArray[1].ToString());
 
	}

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Author Closing Comment

by:busapps
ID: 31579696
The 2 valuelists is a good idea.  Just change them on the before dropdown event and set it back on the afterExitEntryMode event.
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