error when dataset returns a null value.

[Guest]

hi,

I got an error when the dataset returns a null value.
eg.
string a;
a = (string)ds.Tables[0].Rows[0][2];

How do I handle this error ? Thanks.

regards,
andrew

 

[J055]

Check out the 'as' keyword.

e.g.

a = ds.Tables[0].Rows[0][2] as string;

Andrew

 

[Guest]

it works thanks

Check out the 'as' keyword.

e.g.

a = ds.Tables[0].Rows[0][2] as string;

Andrew

hi,

I got an error when the dataset returns a null value.
eg.
string a;
a = (string)ds.Tables[0].Rows[0][2];

How do I handle this error ? Thanks.

regards,
andrew