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New Message on MumbaiUserGroup

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From: shiva
Message 1 in Discussion

Hi all,

I have Typed DataSet having two tables(master/child) with 
foreign key relation ship.

when i add a new row to a child table and then try to get 
changes into a dataset to be sent to dataaccesslayer,

ex. dataSet ds=new DataSet();
  ds=MyTypeddataSet.GetChanges();

gives me error saying that
"Failed to enable constraints. One or more rows contain 
values violating non-null, unique, or foreign-key 
constraints" - Even though i am not violating any data 
input.

but when i add this line
MyTypeddataSet.EnforceConstraints=false;
and then say 
ds=MyTypeddataSet.GetChanges();

this works fine.
can anyone tell me whats going on?

thanks in advance
regards


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