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digital principles and design donald d givone pdf free download


digital principles and design donald d givone pdf free downloadQ: Is there an alternative to Enum.Parse that returns null? Is there an alternative to Enum.Parse that returns null when parsing doesn't succeed? Enum.Parse returns 0 for invalid inputs such as "foo". I don't want to have to handle nulls at the end of the statements in the body of the if else statements. The code I have for now is: string strValue = textBox.Text; if (strValue == "bar") { int output = Enum.Parse(typeof(AlbumType), "foo", CultureInfo.InvariantCulture); if (output == 0) { MessageBox.Show("Invalid input"); } else { label.Text = output.ToString(); } } A: I suspect you don't want to check for a null result at all. Your whole code block looks a little like this: var strValue = textBox.Text; if (strValue == "bar") { var output = Enum.Parse(typeof(AlbumType), "foo", CultureInfo.InvariantCulture); if (output!= null) { MessageBox.Show("Invalid input"); } else {









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