[Mono-dev] Arrays in a loop?

[Jackson Harper]

On Tue, 2005-10-04 at 22:41 -0400, SigmaX wrote:
> Gaurav Vaish (Mono) wrote:
> >>                            lms_table[i, 0] =
> >>    Convert.ToSingle(row[keytext]);
> >>                            lms_table[i, 1] = Convert.ToSingle(row["L"]);
> >>                            lms_table[i, 2] = Convert.ToSingle(row["M"]);
> >>                            lms_table[i, 3] = Convert.ToSingle(row["S"]);
> >
> > Change all conversions to something like:
> >
> > row.IsDBNull("L") ? 0 : row.GetFloat("L")
> >
> > 0 can be replaced with some default value.
> > What is happening is that in case of NULL values (in DB), conversion 
> > fails.
> >
> >
> 
> Thanx for the tip, but I get:
> 
>     'System.Data.DataRow' does not contain a definition for
>     `IsDBNull'(CS0117)
> 
> When I try to use your suggested fix. 


Try using the Convert::IsDBNull

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfsystemconvertclassisdbnulltopic.asp

Jackson


>     Any help?
>         Thanx,
>               SigmaX
>