mxd.dataDrivenPages.pageCount return 0 in Arcpy

PratyakshVijay — Fri, 10 Dec 2021 22:19:10 GMT

I am trying to export data driven pages using Arcpy butmxd.dataDrivenPages.pageCount return 0.

Here what i am doing... first I am replacing the data source of the layer then refreshing the data driven pages and after that using for loop trying to export data driven pages in jpeg.

Here what I am trying..

lyr.replaceDataSource(path_of_data_source, "SHAPEFILE_WORKSPACE", "data_source_name")
mxd.dataDrivenPages.refresh()
for pageNum in range(1,mxd.dataDrivenPages.pageCount + 1):        arcpy.AddMessage("Image "+ str(pageNum))        mxd.dataDrivenPages.currentPageID = pageNum             arcpy.mapping.ExportToJPEG(mxd, directory_env + "\Output_Images/" + str(pageNum) + ".jpeg", resolution = 300)del mxd

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mxd.dataDrivenPages.pageCount return 0 in Arcpy