Before running the attached sample project, it is necessary to add the references required in the application. Please make sure that you have added the following dlls:
After running the application you are not supposed to obtain this error because the form contains a RadGridView
with automatically generated hierarchy. I have modified the code snippet in order to ensure that the iterated rows are only GridViewHierarchyRowInfos
sender, GroupSummaryEvaluationEventArgs e)
sum = 0;
GridViewHierarchyRowInfo hierarchyRow = masterRow
sum += (
"Sum of all child rows: "
I hope this information helps.
Dess | Tech Support Engineer, Sr.
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