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textbox AutoComplete not work in XP and missing data

Posted By:      Posted Date: September 01, 2010    Points: 0   Category :Windows Application
When I use the application in XP, auto complete mssing some data~ Here is some of data, IRC-3100 IRC-3200 IRC-5180 when I type "IRC" in the textbox, the fellow didn't show and when I type "IRC-", only IRC-3100 show this issues only occur in XP and window 7 is OK. I don't know why, please help here us the code I use to add autocomplete source~   AutoCompleteStringCollection collection = new AutoCompleteStringCollection();   PropertyInfo ppty = typeof(SOURCE).GetProperty(displayProperty);   foreach (SOURCE s in sources) {   collection.Add(value.ToString()); }   else { collection.Add( string.Empty); } } box.AutoCompleteCustomSource = collection; box.AutoCompleteSource = AutoCompleteSource.CustomSource; box.AutoCompleteMode = AutoCompleteMode.Suggest;        ClarkC

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