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Web Forms :: Compare Validator For 2 Dates Textboxes


I want to compare 2 textboes with date in such a way that one must be less than other. Compare validator is not working Here is the code

[Code]....


View 7 Replies (Posted: Jun 02, 2010 02:44 PM)

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Related Forum Messages For ASP.NET category:
Web Forms :: Compare Two Dates In "dd Mmm Yyyy" Format In Compare Validator
I am trying tocheck for a condition such that a date in an input control (textbox) is not greater from a date 1 years from current date(exactly) and also it should not be less than a date 1 year back from current date. for eg. iftoday's date is "21/dec/1990" then usen cannot enter a date in textbox which is less than 21/dec/89 and it should not be greater than 21/dec/1991. for this i first tried to confirm the greater than condition, i wrote the following code:

<asp:TextBox
ID="TxtSessionFrom"
runat="server"></asp:TextBox>
<asp:CompareValidator
ID="CompareValidator1"
runat="server"
ControlToValidate="TxtSessionFrom"
ErrorMessage="CompareValidator"
Operator="GreaterThanEqual"
Type="Date"></asp:CompareValidator>
CompareValidator1.ValueToCompare=(DateTime.Now.AddYears(1).ToString());

but this gave an error: The value '' of the ValueToCompare property of 'CompareValidator1' cannot be converted to type 'Date'.

Posted: Apr 17, 2010 04:56 PM

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Web Forms :: Compare Validator For Dates Doesn't Work
i have a series of start and end dates. I need to check that the range is valid. Im using a compare val to check the start date is before the end date. It doesnt seem to work.Keeps saying the range is invalid. i also first check required field and reg expression.....which works fine....heres some code:

<div>
<asp:RequiredFieldValidator
ID="RequiredFieldValidatorT1End"
runat="server"
CssClass="Validator"
ControlToValidate="TextBoxTerm1End"
ErrorMessage="Term 1 End Date is required."
ValidationGroup="Page"
Display="Dynamic"></asp:RequiredFieldValidator>
<asp:RegularExpressionValidator
ID="RegularExpressionValidatorT1End"
ValidationGroup="Page"
runat="server"
ControlToValidate="TextBoxTerm1End"
ErrorMessage="Term 1 end date is invalid. Use dd/MM/YYYY"
ValidationExpression="(0[1-9]|[12][0-9]|3[01])[- /.](0[1-9]|1[012])[- /.](19|20)dd"
CssClass="Validator"
Display="Dynamic"
/>
<asp:CompareValidator
ID="CompareValidatorT1"
runat="server"
ControlToValidate="TextBoxT1Start"
ControlToCompare="TextBoxT1End"
Type="Date"
ValidationGroup="Page"
Operator="LessThanEqual"
ErrorMessage="Invalid Date Range"></asp:CompareValidator>
</div>

Posted: May 21, 2008 09:54 AM

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Want To Compare Two Dates Entered In Two Textboxes And Would Like To Validate?
I want to compare two dates entered in two textboxes and would like to validate with the following condition
the difference between date1 and date2 entered in textboxes must be between 0 and 28.Could anybody let me know how to achieve that.

Posted: Dec 30, 2008 08:57 AM

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Validation - Compare Two Dates In Two Textboxes In The Form Of "dd/mm/yyyy"
i have two dates in two textboxes in the form of dd/mm/yyyy how can i compare them

Posted: Jun 8 09

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Web Forms :: Setting A Compare Validator To Compare With Control In Different Content Area
When attempting to place controls in different content areas using Masterpages and trying to use a compare validator, I get the error: Unable to find control id 'txtStartDate' referenced by the 'ControlToCompare' property of 'cvlDate'. I have also attempted to set it within the c# code behind in page load: cvlDate.ControlToCompare = txtStartDate.ID and by using findControl there must be an easy way to achieve this?

<asp:Content ID="Content4" ContentPlaceHolderID="leftForm" Runat="Server">
<asp:Label ID="lblStartTimeEnter" runat="server" Text="Start Time:" Width="100px"/>
<asp:TextBox ID="txtStartTime"runat="server" MaxLength="50" Width="250"/>
</asp:content>
<asp:Content ID="Content4" ContentPlaceHolderID="rightForm" Runat="Server">
<asp:label ID="lblEndDateEnter" CssClass="formMargin labelInput" runat="server" Text="End Date:" Width="100px"/>
<asp:TextBox ID="txtEndDate" CssClass="formMargin" runat="server" MaxLength="20" Width="250" ClientIDMode="Static"/>
<asp:CompareValidator ID="cvlDate" runat="server" ControlToValidate="txtEndDate" ControlToCompare="txtStartDate" Operator="GreaterThan" Type="Date" ErrorMessage="Start Date must be before End Date" >*</asp:CompareValidator>
</asp:content>

Posted: Jan 10, 2011 02:34 PM

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I'm having 2 multiple selection mode list boxes, both the list boxes are being binded to a table.so the items in both the list boxes are dynamic. there is an add button in my form, where user can select an item from list box 1 and clicks add button then if the selected item in first listbox is already in the second list box item, the item should not be moved to the second list box and i should an error message like ITEM ALREADY EXISTS, PLEASE ADD ANOTHER ITEM. i tried using foreach loops, but couldnt succeeded, can we achieve this using comapre validator?

Posted: Oct 09, 2009 07:41 PM

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Web Forms :: Compare Validator /Range Validator Does Not Work While Using Localization
I have a requirementof converting existing english formto multi lingual form.I am currently converting english form to spanish form.

Everything works except the date formats.

The range validator is not working in a spanish form but works in a english form.

I have set the maximum and minimum value in page load as below in the english form

Heres how i have set the values

[code]...

Posted: Oct 27, 2010 01:09 PM

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Web Forms :: Using Compare Validator To Compare Date?
I am using compare validator to compare date... But Its not working ...I have used calendar extender...with date format as "dd/MM/yyyy"...

Posted: Feb 15, 2010 07:20 AM

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When it comes to field validation,when I use a Compare Validator to make sure a date is a date or a numeric field has a number, I must also use a Required Field Validator to make sure there is something actually enetered. In other words, the Compare Validator allows a blank value even though a blank is not a date or number or whatever.

Isusing both a Required FieldValidator and a Compare Validator the way to do this oris there some way to make the Compare Validator also require input of some kind?

Posted: Mar 01, 2010 07:24 PM

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Web Forms :: Compare Hours And Minutes If Dates Are Equal
I want to make sure that users can't submit a case that ends before it starts. I have two textboxes for startDate and endDate. Those I validate with comparevalidator Operator="LessThanEqual". This works fine. My textboxes uses ajax calendarextension from Microsoft.

<asp:CompareValidator Display="Dynamic" ID="CompareValidator2" runat="server" ControlToCompare="endDate"
ControlToValidate="startDate" ErrorMessage="End date must be after start date" Operator="LessThanEqual"
Type="Date"></asp:CompareValidator>

But I also got four dropdowns with hours and minutes. endHH, endMM and startHH, startMM. I want to compare the hours and minutes if the dates are equal.

Posted: Nov 17, 2009 08:01 AM

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Web Forms :: How To Use The Customvalidator To Compare The 2 Textboxes Instead Of The Comparevalidator
i have 2 texztboxesfor password function. Now i want to use the customvalidator to compare the 2 textboxes instead of the comparevalidator. I used a cs code like this bloew, but it doesnt work.

[Code]....

Posted: May 20, 2010 01:53 PM

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Posted: Feb 22, 2011 09:51 PM

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Web Forms :: How To Use A Compare Validator For Comparing Two Date
I am working in asp.net 2.0 application programing.

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Posted: Apr 05, 2010 12:01 PM

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I have a form of leave application that has 2 dates, start date and end date. Now I'm using the dd/MM/yyyy format for the date entry and I need to Validate end date like end date must me greater than or equal to start date. I want to do that with compare validator but its not working properly because of the Date formats controls are using. Currently I'm using textbox with Calendar extender ajax toolkit control.

Posted: Apr 09, 2007 03:50 AM

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Web Forms :: Compare Validator For Two Year Dropdownlist?
I have two year dropdownlists...Begin year, end year. i want ti validate2 dropdownlists, endyear should not be less than begin year. i validated using compare validator below way,

[Code]....

It s giving error.Cannot be validated. why ?? How can i validate for 2 year dropdownlists.??:)

Posted: Oct 16, 2009 01:40 PM

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Web Forms :: Compare Validator Be Used To Be Sure To Values Aren't The Same?
All of the examples I can find show the compare validator being used to see if two values are the same. Validation is succesfull if these values are the same, such as password confirmation.I want validation to succeed if values are not the same. I want to use this to be sure that someone doesn't enter the same value for two phone number fields. I want the two values to be different.Can the compare validator be used for this? I wasn't able to find any properties or examples that used it in this way. If not, how should this be done?

Posted: Jun 25, 2010 02:10 PM

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Web Forms :: Check Three Different Dates Through The Validator MS?
I have

txtDate1
txtDate2
txtDate3

Date1 must not be less than date2 and Date3.

Date2 must not be less than Date1 and larger than Date3.

Date2 and Date3 not be greater than Date1.

Posted: Nov 01, 2010 12:01 AM

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How To Compare Two Dates
I have used two textboxes for start date & End date.I have used date picker of Ajax. I am using compare validator with javascript code below. Now i want that start date should not be greater than end date. Date format is MM/dd/yyyy.

var EndDate =window.document.getElementById('ctl00_ContentPlaceHolder1_txtProjectedEndDate');
var StartDate = window.document.getElementById('ctl00_ContentPlaceHolder1_txtStartDate');
var PEndDate = EndDate.value;
var PStartDate = StartDate.value;
var ArrEndDate = PEndDate.split("/");
var EMonth = ArrEndDate[0];
var EDate = ArrEndDate[1];
var EYear = ArrEndDate[2];
var ArrPDate = PStartDate.split("/");
var SDate = ArrPDate[1];
var SMonth = ArrPDate[0];
var SYear = ArrPDate[2];
if(EYear > SYear)
{
args.IsValid = false;
return;
}
else if((EYear == SYear) && (EMonth > SMonth))
{
args.IsValid = false;
return;
}
else if((EYear == SYear) && (EMonth == SMonth) && (EDate < SDate))
{
args.IsValid = false;
return;
}
args.IsValid = true;

But the code is not working when months are different.

Posted: Feb 19, 2009 04:27 AM

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Web Forms :: Compare Validator Not Displaying Message After Postback
I have compare validators that I build on the fly in code behind that validate textboxes that are also built up in the code behind:

[Code]....

These work fine until a postback occurs.After a postback they still validate the form (i.e. they don't let you postback) but the error message won't display.

Posted: Oct 07, 2010 12:15 PM

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Web Forms :: Compare Validator Working But Not Displaying Message
I am using CompareValidator to compare the passwords and Retype password that in typed. If I types differ values in the text boxes and submit. It Compares the values and return to me at retype password textbox as I directed. But it is not showing any error message. following is the the source of the same.

<asp:TextBox
ID="txtPass"
runat="server"
TextMode="Password"></asp:TextBox>
<asp:TextBox
ID="txtRepass"
runat="server"
TextMode="Password"
ValidationGroup="test"></asp:TextBox>
<asp:CompareValidator
ID="CompareValidator1"
runat="server"
ControlToCompare="txtPass"
ControlToValidate="txtRepass"
ErrorMessage="Passwords are not matching"
SetFocusOnError="True"
ValidationGroup="test">Passwords are not matching</asp:CompareValidator>
<asp:Button
ID="Button1"
runat="server"
CssClass="btnAccept24"
OnClick="Button1_Click"
UseSubmitBehavior="False"
ValidationGroup="test"
/>

I had not done anything in codebehind and I am using Asp.Net ajax updatepanel and these are in single update panel.

Posted: Aug 10, 2009 01:10 PM

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I am facing an issue which is i have Custom Validator on TextBox control and Compare Validator on the Same TextBox control now the issue is if custom validator and compare validator is firing at the same time. My Scenario like thisI am checking the Date in DD/MM/YYYY format in Custom Validator and the entered should not be greater than Todays date i am checking in Compare Validator so if my Custom Validator fails then it should not fire Compare Validator but its firing how can i Synchronize my above functionality.

[Code]....

Posted: Nov 01, 2010 12:50 PM

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I have an intranet site. To add a new record to the db I have 3 pages, each with a segment of a new record and each dependent on the level of the user. I use both a Require and Compare Validator for that input. For Compare thereare numerical totals categories. There are also sub-categories for numerical input. Thesub-categories should not exceed their respective totals. The Require & Compare Validators work fine. However, I did not use those for another category. I used the following code - the problem is that if an "error label" appears and the user navigates to the next page then uses the back button to return to that page the "error label" is still visible.

The code:
Private Function Verify() As Boolean
Dim intReg As Integer = 0
Dim intOT As Integer = 0
Dim BlnPass As Boolean = True
Dim BranchRegTotals As New Dictionary(Of String, Integer)
Dim BranchOTTotals As New Dictionary(Of String, Integer)
If chkDVTT.Checked = True Then
intReg += Val(txtDVTTRegHrs.Text)
intOT += Val(txtBrDVTTOTHrs.Text)
BranchRegTotals.Add("DVTT", Val(txtDVTTRegHrs.Text))
BranchOTTotals.Add("DVTT", Val(txtBrDVTTOTHrs.Text))
End If
If chkLM.Checked = True Then
intReg += Val(txtBRLMRegHrs.Text)
intOT += Val(txtBrLMOTHrs.Text)
BranchRegTotals.Add("LM", Val(txtBRLMRegHrs.Text))
BranchOTTotals.Add("LM", Val(txtBrLMOTHrs.Text))
End If

[Code...]

Posted: Dec 22, 2009 05:21 PM

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I've got a booking form which allows users to pick dates. User clicks FromDate button which activates calendar control, they select date from calendar which then populates a textBox. I have a compare validator which checks that the SelectedDate is greater than the current date, if the SelectedDate is in the past then the validator fires error message. This works as fine, however, when the validator fires it disables the FromDate button so the user is unable to pick another date from the calendar as the focus goes to the TextBox which is being validated - how do I get around this? Here's the code:

[Code]....

Posted: Mar 17, 2010 10:56 AM

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I am using compare validatore for comparing two date ie. from and To date

i am using it rightly even i tested on vs 2010 it working fine ,

bt i upload the project or my website on client side or host in iis server

i get the error msg

compare validatore not working on client side

even i use the culture gb-usa

Posted: Oct 21, 2010 08:29 AM

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how to compare two date's in JavaScript?

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Posted: Sep 25, 2009 06:17 AM

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I have a date range validator that fails about 3% of the hits. While the rest 97% of the hits this validation works fine. This error message is :" The value '' of the MaximumValue property of 'vldDateRange' cannot be converted to type 'Date' ". Please note the following: The Range validator type is set to Date.The MaximumValue is always set on Page load using system time as:

[Code]....

The error trace:Source Library: System.Web
TargetSite: Void ValidateValues()
StackTrace: at System.Web.UI.WebControls.RangeValidator.ValidateValues() at System.Web.UI.WebControls.RangeValidator.ControlPropertiesValid() at System.Web.UI.WebControls.BaseValidator.OnPreRender(EventArgs e) at System.Web.UI.Control.PreRenderRecursiveInternal()
at...

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select ann;

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how can I make this work?

Posted: Feb 28, 2011 09:36 AM

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