/
DataValidationActions.vb
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DataValidationActions.vb
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Imports System
Imports DevExpress.Spreadsheet
Imports System.Drawing
Imports System.Linq
Namespace SpreadsheetControl_API_Part03
Public Module DataValidationActions
Private Sub AddDataValidation(ByVal workbook As DevExpress.Spreadsheet.IWorkbook)
#Region "#AddDataValidation"
workbook.LoadDocument("Documents\DataValidation.xlsx")
Dim worksheet As DevExpress.Spreadsheet.Worksheet = workbook.Worksheets(0)
worksheet(CStr(("C1"))).SetValue(System.DateTime.Now)
worksheet(CStr(("C1"))).NumberFormat = "mmm/d/yyyy h:mm"
' Restrict data entry to a whole number from 10 to 20.
worksheet.DataValidations.Add(worksheet("B1"), DevExpress.Spreadsheet.DataValidationType.WholeNumber, DevExpress.Spreadsheet.DataValidationOperator.Between, 10, 20)
' Restrict data entry to a number within limits.
Dim validation As DevExpress.Spreadsheet.DataValidation = worksheet.DataValidations.Add(worksheet("F4:F11"), DevExpress.Spreadsheet.DataValidationType.[Decimal], DevExpress.Spreadsheet.DataValidationOperator.Between, 10, 40)
' Restrict data entry using criteria calculated by a worksheet formula.
worksheet.DataValidations.Add(worksheet("B4:B11"), DevExpress.Spreadsheet.DataValidationType.Custom, "=AND(ISNUMBER(B4),LEN(B4)=5)")
' Restrict data entry to 3 symbols.
worksheet.DataValidations.Add(worksheet("D4:D11"), DevExpress.Spreadsheet.DataValidationType.TextLength, DevExpress.Spreadsheet.DataValidationOperator.Equal, 3)
' Restrict data entry to values in a drop-down list specified in code.
' Note that the list in code should always use comma to separate entries,
' but the list in UI is displayed using culture-specific list separator.
worksheet.DataValidations.Add(worksheet("A4:A11"), DevExpress.Spreadsheet.DataValidationType.List, "PASS, FAIL")
' Restrict data entry to values in a drop-down list obtained from a worksheet.
worksheet.DataValidations.Add(worksheet("E4:E11"), DevExpress.Spreadsheet.DataValidationType.List, DevExpress.Spreadsheet.ValueObject.FromRange(worksheet(CStr(("H4:H9"))).GetRangeWithAbsoluteReference()))
' Restrict data entry to a time before the specified time.
worksheet.DataValidations.Add(worksheet("C1"), DevExpress.Spreadsheet.DataValidationType.Time, DevExpress.Spreadsheet.DataValidationOperator.LessThanOrEqual, System.DateTime.Now)
' Highlight data validation ranges.
worksheet(CStr(("H4:H9"))).FillColor = System.Drawing.Color.LightGray
Dim MyColorScheme As Integer() = New Integer() {&HFFC4C4, &HFFD9D9, &HFFF6F6, &HFFECEC, &HE9D3D3, &HFFDFC4, &HFFDAE9}
For i As Integer = 0 To worksheet.DataValidations.Count - 1
worksheet.DataValidations(CInt((i))).Range.FillColor = System.Drawing.Color.FromArgb(MyColorScheme(i))
Next
#End Region ' #AddDataValidation
End Sub
Private Sub ChangeCriteria(ByVal workbook As DevExpress.Spreadsheet.IWorkbook)
#Region "#ChangeCriteria"
workbook.LoadDocument("Documents\DataValidation.xlsx")
Dim worksheet As DevExpress.Spreadsheet.Worksheet = workbook.Worksheets(0)
' Restrict data entry to a number within limits.
Dim validation As DevExpress.Spreadsheet.DataValidation = worksheet.DataValidations.Add(worksheet("F4:F11"), DevExpress.Spreadsheet.DataValidationType.[Decimal], DevExpress.Spreadsheet.DataValidationOperator.Between, 10, 40)
' Change the validation operator and criteria.
' Range F4:F11 should contain numbers greater than or equal 20.
validation.[Operator] = DevExpress.Spreadsheet.DataValidationOperator.GreaterThanOrEqual
validation.Criteria = 20
validation.Criteria2 = DevExpress.Spreadsheet.ValueObject.Empty
' Highlight data validation ranges.
Dim MyColorScheme As Integer() = New Integer() {&HFFC4C4, &HFFD9D9, &HFFF6F6, &HFFECEC, &HE9D3D3}
For i As Integer = 0 To worksheet.DataValidations.Count - 1
worksheet.DataValidations(CInt((i))).Range.FillColor = System.Drawing.Color.FromArgb(MyColorScheme(i))
Next
#End Region ' #ChangeCriteria
End Sub
Private Sub UseUnionRange(ByVal workbook As DevExpress.Spreadsheet.IWorkbook)
#Region "#UseUnionRange"
workbook.LoadDocument("Documents\DataValidation.xlsx")
Dim worksheet As DevExpress.Spreadsheet.Worksheet = workbook.Worksheets(0)
' Create a union range.
Dim range As DevExpress.Spreadsheet.CellRange = worksheet.Range.Union(worksheet("F4:F5"), worksheet("F6:F11"))
' Restrict data entry to a number within limits.
worksheet.DataValidations.Add(range, DevExpress.Spreadsheet.DataValidationType.[Decimal], DevExpress.Spreadsheet.DataValidationOperator.Between, 10, 40)
' Highlight data validation ranges.
Dim MyColorScheme As Integer() = New Integer() {&HFFC4C4, &HFFD9D9, &HFFF6F6, &HFFECEC, &HE9D3D3}
For i As Integer = 0 To worksheet.DataValidations.Count - 1
worksheet.DataValidations(CInt((i))).Range.FillColor = System.Drawing.Color.FromArgb(MyColorScheme(i))
Next
#End Region ' #UseUnionRange
End Sub
Private Sub ShowInputMessage(ByVal workbook As DevExpress.Spreadsheet.IWorkbook)
#Region "#ShowInputMessage"
workbook.LoadDocument("Documents\DataValidation.xlsx")
Dim worksheet As DevExpress.Spreadsheet.Worksheet = workbook.Worksheets(0)
' Restrict data entry to a 5-digit number
Dim validation As DevExpress.Spreadsheet.DataValidation = worksheet.DataValidations.Add(worksheet("B4:B11"), DevExpress.Spreadsheet.DataValidationType.Custom, "=AND(ISNUMBER(B4),LEN(B4)=5)")
' Show input message.
validation.InputTitle = "Employee Id"
validation.InputMessage = "Please enter 5-digit number"
validation.ShowInputMessage = True
' Highlight data validation ranges.
Dim MyColorScheme As Integer() = New Integer() {&HFFC4C4, &HFFD9D9, &HFFF6F6, &HFFECEC, &HE9D3D3}
For i As Integer = 0 To worksheet.DataValidations.Count - 1
worksheet.DataValidations(CInt((i))).Range.FillColor = System.Drawing.Color.FromArgb(MyColorScheme(i))
Next
#End Region ' #ShowInputMessage
End Sub
Private Sub ShowErrorMessage(ByVal workbook As DevExpress.Spreadsheet.IWorkbook)
#Region "#ShowErrorMessage"
workbook.LoadDocument("Documents\DataValidation.xlsx")
Dim worksheet As DevExpress.Spreadsheet.Worksheet = workbook.Worksheets(0)
' Restrict data entry to a 5-digit number.
Dim validation As DevExpress.Spreadsheet.DataValidation = worksheet.DataValidations.Add(worksheet("B4:B11"), DevExpress.Spreadsheet.DataValidationType.Custom, "=AND(ISNUMBER(B4),LEN(B4)=5)")
' Show error message.
validation.ErrorTitle = "Wrong Employee Id"
validation.ErrorMessage = "The value you entered is not valid. Use 5-digit number for the employee ID."
validation.ErrorStyle = DevExpress.Spreadsheet.DataValidationErrorStyle.Information
validation.ShowErrorMessage = True
' Highlight data validation ranges.
Dim MyColorScheme As Integer() = New Integer() {&HFFC4C4, &HFFD9D9, &HFFF6F6, &HFFECEC, &HE9D3D3}
For i As Integer = 0 To worksheet.DataValidations.Count - 1
worksheet.DataValidations(CInt((i))).Range.FillColor = System.Drawing.Color.FromArgb(MyColorScheme(i))
Next
#End Region ' #ShowErrorMessage
End Sub
Private Sub GetDataValidation(ByVal workbook As DevExpress.Spreadsheet.IWorkbook)
#Region "#GetDataValidation"
workbook.LoadDocument("Documents\DataValidation.xlsx")
Dim worksheet As DevExpress.Spreadsheet.Worksheet = workbook.Worksheets(0)
' Add data validations.
worksheet.DataValidations.Add(worksheet("D4:D11"), DevExpress.Spreadsheet.DataValidationType.TextLength, DevExpress.Spreadsheet.DataValidationOperator.Equal, 3)
worksheet.DataValidations.Add(worksheet("E4:E11"), DevExpress.Spreadsheet.DataValidationType.List, DevExpress.Spreadsheet.ValueObject.FromRange(worksheet(CStr(("H4:H9"))).GetRangeWithAbsoluteReference()))
' Get data validation entry associated with a particular cell.
worksheet.DataValidations.GetDataValidation(CType((worksheet.Cells(CStr(("E4")))), DevExpress.Spreadsheet.Cell)).Criteria = DevExpress.Spreadsheet.ValueObject.FromRange(worksheet("H4:H5"))
' Get data validation entries for the specified range.
Dim myValidation = worksheet.DataValidations.GetDataValidations(worksheet("D4:E11")).Where(Function(d) d.ValidationType = DevExpress.Spreadsheet.DataValidationType.TextLength).SingleOrDefault()
If myValidation IsNot Nothing Then myValidation.Criteria = 4
' Get data validation entries that meet certain criteria.
For Each d In worksheet.DataValidations.GetDataValidations(DevExpress.Spreadsheet.DataValidationType.TextLength, DevExpress.Spreadsheet.DataValidationOperator.Equal, 4, DevExpress.Spreadsheet.ValueObject.Empty)
' Change criteria operator.
' Range D4:D11 should contain text with more than 4 characters.
d.[Operator] = DevExpress.Spreadsheet.DataValidationOperator.GreaterThan
Next
' Highlight data validation ranges.
Dim MyColorScheme As Integer() = New Integer() {&HFFC4C4, &HFFD9D9, &HFFF6F6, &HFFECEC, &HE9D3D3}
For i As Integer = 0 To worksheet.DataValidations.Count - 1
worksheet.DataValidations(CInt((i))).Range.FillColor = System.Drawing.Color.FromArgb(MyColorScheme(i))
Next
#End Region ' #GetDataValidation
End Sub
Private Sub ValidateCellValue(ByVal workbook As DevExpress.Spreadsheet.IWorkbook)
#Region "#ValidateCellValue"
workbook.LoadDocument("Documents\DataValidation.xlsx")
Dim worksheet As DevExpress.Spreadsheet.Worksheet = workbook.Worksheets(0)
' Add data validations.
worksheet.DataValidations.Add(worksheet("D4:D11"), DevExpress.Spreadsheet.DataValidationType.TextLength, DevExpress.Spreadsheet.DataValidationOperator.Equal, 3)
'Check whether the cell value meets the validation criteria:
Dim isValid As Boolean = worksheet.DataValidations.Validate(worksheet.Cells("D4"), worksheet.Cells(CStr(("J4"))).Value)
If isValid Then
worksheet(CStr(("D4"))).CopyFrom(worksheet("J4"))
End If
#End Region ' #ValidateCellValue
End Sub
Private Sub RemoveDataValidation(ByVal workbook As DevExpress.Spreadsheet.IWorkbook)
#Region "#RemoveDataValidation"
workbook.LoadDocument("Documents\DataValidation.xlsx")
Dim worksheet As DevExpress.Spreadsheet.Worksheet = workbook.Worksheets(0)
' Add data validations.
worksheet.DataValidations.Add(worksheet("D4:D11"), DevExpress.Spreadsheet.DataValidationType.TextLength, DevExpress.Spreadsheet.DataValidationOperator.Equal, 3)
worksheet.DataValidations.Add(worksheet("E4:E11"), DevExpress.Spreadsheet.DataValidationType.List, DevExpress.Spreadsheet.ValueObject.FromRange(worksheet(CStr(("H4:H9"))).GetRangeWithAbsoluteReference()))
' Remove data validation by index.
worksheet.DataValidations.RemoveAt(1)
' Highlight data validation ranges.
Dim MyColorScheme As Integer() = New Integer() {&HFFC4C4, &HFFD9D9, &HFFF6F6, &HFFECEC, &HE9D3D3}
For i As Integer = 0 To worksheet.DataValidations.Count - 1
worksheet.DataValidations(CInt((i))).Range.FillColor = System.Drawing.Color.FromArgb(MyColorScheme(i))
Next
#End Region ' #RemoveDataValidation
End Sub
Private Sub RemoveAllDataValidations(ByVal workbook As DevExpress.Spreadsheet.IWorkbook)
#Region "#RemoveAllDataValidations"
workbook.LoadDocument("Documents\DataValidation.xlsx")
Dim worksheet As DevExpress.Spreadsheet.Worksheet = workbook.Worksheets(0)
' Add data validations.
worksheet.DataValidations.Add(worksheet("D4:D11"), DevExpress.Spreadsheet.DataValidationType.TextLength, DevExpress.Spreadsheet.DataValidationOperator.Equal, 3)
worksheet.DataValidations.Add(worksheet("E4:E11"), DevExpress.Spreadsheet.DataValidationType.List, DevExpress.Spreadsheet.ValueObject.FromRange(worksheet(CStr(("H4:H9"))).GetRangeWithAbsoluteReference()))
' Remove all data validations.
worksheet.DataValidations.Clear()
' Highlight data validation ranges.
Dim MyColorScheme As Integer() = New Integer() {&HFFC4C4, &HFFD9D9, &HFFF6F6, &HFFECEC, &HE9D3D3}
For i As Integer = 0 To worksheet.DataValidations.Count - 1
worksheet.DataValidations(CInt((i))).Range.FillColor = System.Drawing.Color.FromArgb(MyColorScheme(i))
Next
#End Region ' #RemoveAllDataValidations
End Sub
End Module
End Namespace