Spread Silverlight Documentation
GrapeCity.Windows.SpreadSheet.Data Namespace / Cell Class / DataValidator Property
Example


In This Topic
    DataValidator Property (Cell)
    In This Topic
    Gets or sets the data validator for a cell.
    Syntax
    'Declaration
     
    <DefaultValueAttribute("")>
    Public Property DataValidator As DataValidator
    'Usage
     
    Dim instance As Cell
    Dim value As DataValidator
     
    instance.DataValidator = value
     
    value = instance.DataValidator
    [DefaultValue("")]
    public DataValidator DataValidator {get; set;}

    Property Value

    A DataValidator object that specifies the validator for the cell. The default value is null.
    Example
    This example sets the DataValidator property.
    gcSpreadSheet1.HighlightInvalidData = true;
    var valid = GrapeCity.Windows.SpreadSheet.Data.DataValidator.CreateListValidator("5,10,15,20");             
    gcSpreadSheet1.Sheets[0].Cells[0, 1].DataValidator = valid;
    gcSpreadSheet1.Sheets[0].Cells[0, 0].Text = "5, 10, 15, and 20 are valid numbers.";
                
    var valid1 = GrapeCity.Windows.SpreadSheet.Data.DataValidator.CreateNumberValidator(GrapeCity.Windows.SpreadSheet.Data.ComparisonOperator.GreaterThan, "5", "20", true);
    gcSpreadSheet1.Sheets[0].Cells[1, 1].DataValidator = valid1;
    gcSpreadSheet1.Sheets[0].Cells[1,0].Text = "A number greater than 5 is valid.";
    
    var valid2 = GrapeCity.Windows.SpreadSheet.Data.DataValidator.CreateTextLengthValidator(GrapeCity.Windows.SpreadSheet.Data.ComparisonOperator.GreaterThan, "4", "20");            
    gcSpreadSheet1.Sheets[0].Cells[2, 1].DataValidator = valid2;
    gcSpreadSheet1.Sheets[0].Cells[2, 0].Text = "Type more than four characters.";
    GcSpreadSheet1.HighlightInvalidData = True
    Dim valid = GrapeCity.Windows.SpreadSheet.Data.DataValidator.CreateListValidator("5,10,15,20")
    GcSpreadSheet1.Sheets(0).Cells(0, 1).DataValidator = valid
    GcSpreadSheet1.Sheets(0).Cells(0, 0).Text = "5, 10, 15, and 20 are valid numbers."
    
    Dim valid1 = GrapeCity.Windows.SpreadSheet.Data.DataValidator.CreateNumberValidator(GrapeCity.Windows.SpreadSheet.Data.ComparisonOperator.GreaterThan, "5", "20", True)
    GcSpreadSheet1.Sheets(0).Cells(1, 1).DataValidator = valid1
    GcSpreadSheet1.Sheets(0).Cells(1, 0).Text = "A number greater than 5 is valid."
    
    Dim valid2 = GrapeCity.Windows.SpreadSheet.Data.DataValidator.CreateTextLengthValidator(GrapeCity.Windows.SpreadSheet.Data.ComparisonOperator.GreaterThan, "4", "20")
    GcSpreadSheet1.Sheets(0).Cells(2, 1).DataValidator = valid2
    GcSpreadSheet1.Sheets(0).Cells(2, 0).Text = "Type more than four characters."
    See Also