string name = dataSet.GROUP.FindByID_GROUP(id_group).GROUP_NAME invokes NullReferenceException

  • Thread starter Thread starter £ukasz Margielewski
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£ukasz Margielewski

I vant to receive group name by automaticalyy generated function
FindByID_GROUP in VS C#. I know, that mentioned function returns string type
value. What is wrong with this line? Why this exception occures, altrought I
know that argument id_gropu is properly, and I am sure that the value in
column GROUP_NAME for this ID exists ???
 

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