c# short if statement not working with int? (int=null)

Posted by kobe on Stack Overflow See other posts from Stack Overflow or by kobe
Published on 2012-11-11T10:25:04Z Indexed on 2012/11/11 11:00 UTC
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c#

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if-statement

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expression

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shortcode

I am trying to shorten my code by using short-if:

int? myInt=myTextBox.Text == "" ? null : 
    Convert.ToInt32(myTextBox.Text);

But I'm getting the following error: Type of conditional expression cannot be determined because there is no implicit conversion between '' and 'int'

The following works:

int? myInt;
if (myTextBox.Text == "") //if no text in the box
   myInt=null;
else
   myInt=Convert.ToInt32(myTextBox.Text);

And if I replace the 'null' in integer (say '4') it also works:

int? myInt=myTextBox.Text == "" ? 4: 
    Convert.ToInt32(myTextBox.Text);

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