c# - Check if a NumericUpDown has no value -
How can I check that the user left a NumericUpDown control blank? I have looked at another question to examine the 'text' property but there is no text property to check against it.
You can check against the Just try this sample it works: text property, though it is a designer and Is hidden from Intelligence.
if (string.IsNullOrEmpty (control.Text)) {// a value} < / Pre>
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