//create a new workbook var workbook = new GrapeCity.Documents.Excel.Workbook(); IWorksheet worksheet = workbook.Worksheets[0]; worksheet.Range["C2:E4"].Value = new object[,] { {new DateTime(2020, 12, 1), new DateTime(2020, 12, 14), new DateTime(2020, 12, 15) }, {new DateTime(2020, 12, 18), new DateTime(2020, 12, 19), new DateTime(2020, 12, 30) }, {new DateTime(2020, 12, 31), new DateTime(2019, 12, 13), new DateTime(2019, 12, 15) } }; //create date validation. worksheet.Range["C2:E4"].Validation.Add(ValidationType.Date, ValidationAlertStyle.Stop, ValidationOperator.Between, new DateTime(2020, 12, 13), new DateTime(2020, 12, 18)); //set column width just for export shown. worksheet.Range["C:E"].EntireColumn.ColumnWidthInPixel = 120; //judge if Range["C2:E4"] has validation. for (int i = 1; i <= 3; i++) { for (int j = 2; j <= 4; j++) { if (worksheet.Range[i, j].HasValidation) { //set the range[i, j]'s interior color. worksheet.Range[i, j].Interior.Color = Color.LightBlue; } } } // Save to an excel file workbook.Save("CreateDateValidation.xlsx");
' Create a new Workbook Dim workbook As New Workbook Dim worksheet As IWorksheet = workbook.Worksheets(0) worksheet.Range("C2:E4").Value = New Object(,) { { #12/1/2020#, #12/14/2020#, #12/15/2020# }, { #12/18/2020#, #12/19/2020#, #12/30/2020# }, { #12/31/2020#, #12/13/2019#, #12/15/2019# } } 'create date validation. worksheet.Range("C2:E4").Validation.Add(ValidationType.Date, ValidationAlertStyle.Stop, ValidationOperator.Between, #12/13/2020#, #12/18/2020#) 'set column width just for export shown. worksheet.Range("C:E").EntireColumn.ColumnWidthInPixel = 120 'judge if Range("C2:E4") has validation. For i As Integer = 1 To 3 For j As Integer = 2 To 4 If worksheet.Range(i, j).HasValidation Then 'set the range(i, j)'s interior color. worksheet.Range(i, j).Interior.Color = Color.LightBlue End If Next j Next i ' save to an excel file workbook.Save("CreateDateValidation.xlsx")