DataValidation — Aspose.Cells FOSS for Python API Reference

from aspose.cells_foss import (
    DataValidationType, DataValidationOperator,
    DataValidationAlertStyle, DataValidationImeMode,
    DataValidation, DataValidationCollection,
)

DataValidation(sqref=None)

validation.copy() -> DataValidation

ws.data_validations.add(
    sqref,
    validation_type=None,
    operator=None,
    formula1=None,
    formula2=None
) -> DataValidation

ws.data_validations.add_validation(validation: DataValidation) -> DataValidation

ws.data_validations.remove(validation: DataValidation) -> bool

ws.data_validations.remove_at(index: int)

ws.data_validations.remove_by_range(sqref: str) -> int

ws.data_validations.clear()

ws.data_validations.get_validation(cell_ref: str) -> DataValidation | None

from aspose.cells_foss import Workbook, DataValidationType, DataValidationAlertStyle

wb = Workbook()
ws = wb.worksheets[0]

# Write a label
ws.cells["A1"].put_value("Status")

# Add a dropdown list to A2:A20
dv = ws.data_validations.add(
    sqref="A2:A20",
    validation_type=DataValidationType.LIST,
    formula1='"Open,In Progress,Closed,Cancelled"',
)
dv.show_dropdown = True
dv.allow_blank = True
dv.alert_style = DataValidationAlertStyle.STOP
dv.show_error_message = True
dv.error_title = "Invalid Status"
dv.error_message = "Please select a value from the list."
dv.show_input_message = True
dv.input_title = "Status"
dv.input_message = "Choose a status from the dropdown."

wb.save("dropdown_validation.xlsx")

from aspose.cells_foss import (
    Workbook, DataValidationType, DataValidationOperator,
    DataValidationAlertStyle,
)

wb = Workbook()
ws = wb.worksheets[0]

ws.cells["B1"].put_value("Score (0–100)")

# Whole number between 0 and 100
dv = ws.data_validations.add(
    sqref="B2:B50",
    validation_type=DataValidationType.WHOLE_NUMBER,
    operator=DataValidationOperator.BETWEEN,
    formula1="0",
    formula2="100",
)
dv.allow_blank = False
dv.alert_style = DataValidationAlertStyle.WARNING
dv.show_error_message = True
dv.error_title = "Out of Range"
dv.error_message = "Score must be between 0 and 100."

wb.save("range_validation.xlsx")