Unfortunately I have not looked at the Data Access Application Blocks. What I would do is get the object returned as an object (typeof(object)), and look at it runtime to see what its identity is. This might help you understand better why the casting isn't working.
Thanks, Shawn Wildermuth [EMAIL PROTECTED] > -----Original Message----- > From: dotnet discussion [mailto:[EMAIL PROTECTED]] > On Behalf Of george antony > Sent: Sunday, April 21, 2002 5:27 AM > To: [EMAIL PROTECTED] > Subject: Re: [DOTNET] problem in data set type casting. > > > We get an invalid type cast error . What we want to > achieve is to fill a specific datatable of one dataset > from another dataset which is returned from a method. > sorry for the previous mail. > > thanks > George > --- Shawn Wildermuth <[EMAIL PROTECTED]> wrote: > > What is the error you are getting? > > > > Thanks, > > > > Shawn Wildermuth > > [EMAIL PROTECTED] > > > > > -----Original Message----- > > > From: dotnet discussion > > [mailto:[EMAIL PROTECTED]] > > > On Behalf Of george antony > > > Sent: Sunday, April 21, 2002 1:22 AM > > > To: [EMAIL PROTECTED] > > > Subject: [DOTNET] problem in data set type > > casting. > > > > > > > > > We are using the Data > > > Access Application blocks of .Net for getting data > > > from Database. This has a method for retrieving a > > > dataset . We have a custom class which inherits > > from a > > > DataSet and builds its own DataTables .We are > > trying > > > to use the ExecuteDataSet method of the data > > Access > > > Application block and use that to populate the > > DataTable in > > > our custom class . We are not able to do this .Can > > someone > > > tell us if this is possible by some other way? > > > > > > The code is like this > > > // custom class inheriting from DataSet > > > public class AssetData :DataSet > > > { > > > // add DataTables here > > > } > > > > > > > > > AssetData ad = > > > > > > SqlHelper.ExecuteDataSet(conn,commandtype,commandText,SqlParams) > > > > > > This line gives an error. I am not able to make it > > > work even if I cast the resulting dataset to the > > type > > > AssetData > > > > > > thanks for any help > > > George > > > > > > > > > __________________________________________________ > > > Do You Yahoo!? > > > Yahoo! Games - play chess, backgammon, pool and > > more > > http://games.yahoo.com/ > > > > You can read messages from the DOTNET archive, > > unsubscribe from DOTNET, > > or subscribe to other DevelopMentor lists at > > http://discuss.develop.com. > > > > You can read messages from the DOTNET archive, > > unsubscribe from DOTNET, or > > subscribe to other DevelopMentor lists at > http://discuss.develop.com. > > > __________________________________________________ > Do You Yahoo!? > Yahoo! Games - play chess, backgammon, pool and more http://games.yahoo.com/ You can read messages from the DOTNET archive, unsubscribe from DOTNET, or subscribe to other DevelopMentor lists at http://discuss.develop.com. You can read messages from the DOTNET archive, unsubscribe from DOTNET, or subscribe to other DevelopMentor lists at http://discuss.develop.com.
