Member Avatar for xanawa

txtIDCardNo.Text = c.IDCardNumber.ToString();

why is it giving me a nullreferenceexception?

Edited by xanawa because: n/a
  • 2 Contributors
  • 2 Replies
  • 101 Views
  • 6 Hours Discussion Span
  • Latest Post Latest Post by xanawa
Member Avatar for Mitja Bonca

Becuase you cannot assign a null value to the Text property of the textBox.
You can do a checking if the value is null or not:

if(c.IDCardNumber != null)
     txtIDCardNo.Text = c.IDCardNumber.ToString();
else
     txtIDCardNo.Text = "";
Edited by Mitja Bonca because: n/a
Member Avatar for xanawa

i found my mistake.. the thing was i was passing through the constructor a null customer and forgot to do the if statement as u told me thx very much :)

Be a part of the DaniWeb community

We're a friendly, industry-focused community of developers, IT pros, digital marketers, and technology enthusiasts meeting, networking, learning, and sharing knowledge.