כיצד לעבוד עם אימות נתונים ב‑.NET

dotnet add package Aspose.Cells_FOSS

using Aspose.Cells_FOSS;

using Aspose.Cells_FOSS;

var wb = new Workbook();
var ws = wb.Worksheets[0];

// Dropdown list for A1:A10
var listVal = ws.Validations[ws.Validations.Add(CellArea.CreateCellArea("A1", "A10"))];
listVal.Type = ValidationType.List;
listVal.Formula1 = "\"Open,In Progress,Closed\"";
listVal.InCellDropDown = true;
listVal.IgnoreBlank = true;
listVal.InputTitle = "Status";
listVal.InputMessage = "Choose a status from the dropdown";

wb.Save("list-validation.xlsx");
Console.WriteLine("List validation added.");

using Aspose.Cells_FOSS;

var wb = new Workbook();
var ws = wb.Worksheets[0];

// Decimal range validation for B1:B10 — allow 0 to 100
var numVal = ws.Validations[ws.Validations.Add(CellArea.CreateCellArea("B1", "B10"))];
numVal.Type = ValidationType.Decimal;
numVal.Operator = OperatorType.Between;
numVal.Formula1 = "0";
numVal.Formula2 = "100";
numVal.ErrorTitle = "Out of Range";
numVal.ErrorMessage = "Please enter a number between 0 and 100.";
numVal.ShowError = true;
numVal.IgnoreBlank = true;

wb.Save("decimal-validation.xlsx");
Console.WriteLine("Decimal validation added.");

using Aspose.Cells_FOSS;

var wb = new Workbook();
var ws = wb.Worksheets[0];

// List validation for column A (status)
var statusVal = ws.Validations[ws.Validations.Add(CellArea.CreateCellArea("A2", "A100"))];
statusVal.Type = ValidationType.List;
statusVal.Formula1 = "\"New,Open,Closed\"";
statusVal.InCellDropDown = true;

// Decimal validation for column B (score)
var scoreVal = ws.Validations[ws.Validations.Add(CellArea.CreateCellArea("B2", "B100"))];
scoreVal.Type = ValidationType.Decimal;
scoreVal.Operator = OperatorType.Between;
scoreVal.Formula1 = "0";
scoreVal.Formula2 = "10";
scoreVal.ShowError = true;

wb.Save("combined-validation.xlsx");
Console.WriteLine("Combined validations added to sheet.");