Object reference is not set into instance of an object

Question

I am retrieving data from database table.

By giving input as 1 in

textbox1(voucherno)-->damagedetail = web.getdamageddetail(Convert.ToInt32(voucherno.Text));

I want get branchno as output in textbox2(branchno)

branchno.Text = damagedetail.branchno.ToString();

but am getting error

Object reference is not set into instance of an object.

Check my second line.

Is second line coding correct?

Your question is incredibly hard to read. Please put some effort into formatting it and rephrasing it in correct English. — Jon Skeet
– Jon Skeet, Commented May 15, 2012 at 9:11
Please use paragraphs and line breaks next time, it was almost impossible to read your question — Shai
– Shai, Commented May 15, 2012 at 9:12
branchno.text=damagedetail.branchno.tostring();...weather this line retrive branchno from database?? — daniel
– daniel, Commented May 15, 2012 at 9:17

Jürgen Steinblock · Accepted Answer · 2012-05-15 09:12:12Z

damagedetail.branchno is null.

Try this:

if (damagedetail.branchno != null) branchno.Text = damagedetail.branchno; else branchno.Text = "abcd";

yahya kh · Accepted Answer · 2012-05-15 09:14:51Z

Either your object property is not filled thus when you retrive the value "branchno" from the object the value is equal to null, or your not filling the property in your "getdamageddetail" method

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