How do I enable the current date and past five dates in rangevalidator

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Hi All,
I need to show the user only the current date along with 5 past dates. Rest dates/month should be disabled. Please help to achieve this using range validator in html & .net

What I have tried:

ASP.NET

<td class="auto-style1" align="left" style="vertical-align: top;">
    Entry Date
</td>
<td align="left" style="vertical-align: top;" class="auto-style2">
    <asp:TextBox ID="txtFromDate" runat="server" CssClass="textbox" TabIndex="6" Width="100px"></asp:TextBox>
    <cc1:CalendarExtender ID="CEPostingFromDate" runat="server" TargetControlID="txtFromDate">
    </cc1:CalendarExtender>
    <cc1:MaskedEditExtender ID="MaskedEditExtender1" runat="server" 
        CultureAMPMPlaceholder="" 
        CultureCurrencySymbolPlaceholder="" 
        CultureDateFormat="" 
        CultureDatePlaceholder="" 
        CultureDecimalPlaceholder="" 
        CultureThousandsPlaceholder="" 
        CultureTimePlaceholder="" 
        Enabled="True" 
        Mask="99/99/9999" MaskType="Date" 
        TargetControlID="txtFromDate" 
        UserDateFormat="MonthDayYear"
    >
    </cc1:MaskedEditExtender>
    <cc1:TextBoxWatermarkExtender ID="TextBoxWatermarkExtender1" runat="server" 
        Enabled="True" 
        TargetControlID="txtFromDate" 
        WatermarkText="MM/DD/YYYY"
    >
    </cc1:TextBoxWatermarkExtender>
    <asp:RangeValidator ID="RangeValidator2" runat="server" 
        ControlToValidate="txtFromDate" 
        ErrorMessage="Choose only the enabled dates" 
        MaximumValue="01/10/2023" 
        MinimumValue="01/05/2023" 
        Type="Date"
    >*</asp:RangeValidator>
    <cc1:ValidatorCalloutExtender ID="ValidatorCalloutExtender2" runat="server" TargetControlID="RangeValidator2">
    </cc1:ValidatorCalloutExtender>
</td>

Posted 9-Jan-23 20:50pm

Jaichithra

Updated 9-Jan-23 21:41pm

Richard Deeming

v2

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Richard Deeming · Answer 1 · 2023-01-09T21:41:00

You'll need to use code to set the properties:

ASP.NET

<asp:RangeValidator ID="RangeValidator2" runat="server" 
    ControlToValidate="txtFromDate" 
    ErrorMessage="Choose only the enabled dates" 
    Type="Date"
    OnInit="RangeValidator2_Init"
>*</asp:RangeValidator>

C#

protected void RangeValidator2_Init(object sender, EventArgs e)
{
    RangeValidator validator = (RangeValidator)sender;
    DateTime today = DateTime.Today;
    validator.MaximumValue = today.ToString("yyyy/MM/dd");
    validator.MinimumValue = today.AddDays(-5).ToString("yyyy/MM/dd");
}

NB: Pay attention to the documentation:

RangeValidator.MaximumValue Property[^]:
If you specify ValidationDataType.Date for the BaseCompareValidator.Type property without programmatically setting the culture for the application, you should use a culture-neutral format, such as YYYY/MM/DD, for the MaximumValue and MinimumValue properties. Otherwise, the date may not be interpreted correctly.

Edit: To limit the dates available in the calendar, set its properties in the same way:

ASP.NET

<cc1:CalendarExtender ID="CEPostingFromDate" runat="server" 
    TargetControlID="txtFromDate"
    OnInit="CEPostingFromDate_Init"
/>

C#

protected void CEPostingFromDate_Init(object sender, EventArgs e)
{
    CalendarExtender extender = (CalendarExtender)sender;
    DateTime today = DateTime.Today;
    extender.StartDate = today.AddDays(-5);
    extender.EndDate = today;
}

Ajax control toolkit Calendar example with demo[^]