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 text property, though it is a designer and Is hidden from Intelligence.

Just try this sample it works:

  if (string.IsNullOrEmpty (control.Text)) {// a value}  < / Pre>  

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