Extension Methods from Muhammad Shoaib Ijaz
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IsNullOrEmpty
Check either IList object is null or empty.
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ToObservableCollection
Return observable collection for IList object.
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ToList<T>
This extentions method will convert the ObservableCollection object to List of underluying objects.
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IsEmptyOrWhiteSpace
This method will check if a string is empty or consists only of whitespace characters, but not null or containing any other characters. This check is sometimes required in data validation processes.