Forms to input parameters within grasshopper

what is the best type of file to input data to grasshopper.
For instance I’d like to make a rectangle from some dims that someone has saved in an excel file or something similar.
Thanks for the help

Excel work great, csv structure helps as well.

I use this one, as well as the Lunchbox read/write csv, although not completely necessary, the native read file component works well with csv.

json also is possibility.

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thanks for the reply Rickson,
how would you set the cells data to appear in grasshopper? does it need to be set as some sort of reference library?

It comes in as structured data, in Grasshopper that means Tree Branches and List Items.

thanks, I’ve been trying to look into this but keep getting a runtime error “1. Solution exception:Could not load file or assembly ‘NPOI, Version=, Culture=neutral, PublicKeyToken=0df73ec7942b34e1’ or one of its dependencies. The system cannot find the file specified.”
clearly done something wrong, but can’t seem to figure it out.
My path leads to an .xls and I’ve created a toggle button for the boolean toggle.
Any ideas?

Did you unblock the plugin? right click on each of the files in the Grasshopper/Libraries/Excel and unblock.