The recommended approach for achieving multi-column layout where the data flows horizontally is provided in this KB article
. This approach requires a data field that holds the index of the row to be present in the data source. This index needs to be used in grouping expression so the required number of columns could be generated.
The data field can be added to the data source manually. If it is not possible you can add a calculated field
to the DataSource component and use a custom function
to set the value of this field. For example, the function can return the index value and increment it.
I hope this information will help.
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