am new in Qt Designer. I created a userform to show and insert data to a shapefile. Everythind works well, exept the spinboxes. The fieldtype in the shapefile is integer with fieldlength 10. The shape file already contains data. In the userform these data in the spinboxes are not shown, the spinbox shows "NULL". When I look in the attributetable data also are missing, even they have been there before. When i insert data the fieldlenght is not 10 as it was before, but only 2. The inserted data are not stored. What's the problem?
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