This work!
If (TryCast(e.Node.DataItem, DataRowView))("NodeId").ToString() = 3 Then e.Node.AllowDrag = FalseEnd If
This is not work
If (TryCast(e.Node.DataItem, DataRowView))("ParentNodeId").ToString() = 3 Then e.Node.AllowDrag = FalseEnd IfGet: Exception Details: System.FormatException: Input string was not in a correct format.
1 Answer, 1 is accepted
0
Hello,
It seems that the ParentNodeId data cannot be converted to integer and your comparison throws the exception. Check if that field contains some characters that cannot be parsed and trigger the exception. The following StackOverflow thread explains such a conversion issue.
Regards,
Dimitar
Telerik
It seems that the ParentNodeId data cannot be converted to integer and your comparison throws the exception. Check if that field contains some characters that cannot be parsed and trigger the exception. The following StackOverflow thread explains such a conversion issue.
Regards,
Dimitar
Telerik
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