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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