Object null but read as empty?

[PokerMan]

I have this

object o = ds.Tables[0].Rows.ItemArray[j];

the item read from my dataset is null. I check on the next line :

if(o!= null)
//then do something

My prob is the object o is getting passed that if statement then i crash, in
debug it shows it with a value of {}.

So what does "{}" mean and how do i check for that?
And why does it not get set to null?

Its read from a database and the value is null there.

Thanks

 

[Peter Bradley]

I have this

object o = ds.Tables[0].Rows.ItemArray[j];

the item read from my dataset is null. I check on the next line :

if(o!= null)
//then do something

My prob is the object o is getting passed that if statement then i crash,
in debug it shows it with a value of {}.

So what does "{}" mean and how do i check for that?
And why does it not get set to null?

Its read from a database and the value is null there.

Thanks

The {} represents DbNull, I think. If I'm right, you'll need to check for
DbNull and not for null.

Cheers


Peter

 

[Ignacio Machin \( .NET/ C# MVP \)]

Hi,

Cause a "null" ni the DB is interpreted as DBNull.Value in the code.

Check for DBNull.Value instead