How To Create The Custom Validator Instance That Is Linked To The Custom Validator
Dec 17, 2010
I created my custom validator in one project, something like that:
[Code]....
he composite control in another project. I added a reference of the custom validator project to the composite control project. I have a textbox in a composite control and I would like to validate this textbox by the composite control I created. But how can I do that? How can I create the custom validator instance that is linked to the custom validator I created?
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Jul 6, 2010
I have a validator callout extender that works, it shows the callout box. But, it does a postback. It didn't do a post back the first time I clicked the button but it did for subsequent times. I read on the AJAX site that a custom validator must be used with this for it to work. I'm currently using this with a required field and regular expression validator. It works, the callout appears, but it doesn't work every time with out the post back.I posted this to see if there is a way to get this to work with a required field and regular expression validator, with out using a custom validator. I'm using the newest release of the toolkit, so I thought the documentation may be old, since the callout is appearing.
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Jan 13, 2010
I've been trying to get a custom validator component working that ensures at least one checkbox from a checkboxlist has been checked. I've been used some code I found on dotnetjunkies.com but the client-side validation didn't work. I've been attempting to modify it to get the client-side javascript validation to work with no luck. Basically, I compile the below code into a DLL and add it to my bin folder.
[Code]....
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Jan 19, 2011
I'm trying to create a custom control that has a dropdown list and a required field validator in it.I've got as a far as being able to set the error message if the control fails to validate, but I can't actually get it to validate, not can I figure out how to call a .Validate method server side. This is driving me nuts!
To create my control, I followed the article here I ran the text box example through, and I can get that to validate without any problems, so I then went through and created a new set of class files relating to a drop down list.Anyone got any thoughts, or hints as to what might be wrong, or where I should start looking?
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Nov 2, 2010
I am trying to create a basichttpbinding with custom validator. I create a self signed cert in IIS @ 443.
My endpoint in service config looks like this
[Code]....
The service is running fine (I can see it in browser).
In the client, I am setting client credentials and then accessing a method but at this point i get the following exception
There was no endpoint listening at [code].... that could accept the message. This is often caused by an incorrect address or SOAP action
The remote server returned an error: (404) Not Found.
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Feb 11, 2010
Does anybody know of a way to set the width of a custom validtor so that the error message text will wrap if it exceeds the specified width? I have a user control that contains a custom validator which the containing page can set the error message on based on specific validation results. he user control sits within a table cell in a page. If the message is very long it simply prints the entire message on a single line ignoring any column widths that are set. I have tried setting the width property on the custom validator itself to no avail.
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Apr 29, 2010
I am trying to understand a little more about implementing a custom model validator. I have implemented a custom model validator (derived from DataAnnotationsModelValidator<T>) for my custom validation attribute in order to do validation on the client side as well. There is not much documented about DataAnnotationsModelValidator. Besides, implementing client-side validation when is it a good idea or needed to implement a custom model validator for a custom attribute?
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Feb 10, 2010
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Jan 20, 2011
here is the code "when i select a value from calender customvalidator is not called . . "
[Code]....
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May 12, 2010
I have a custom validator, which I have set a property for, and I can access this validator from my MVC controller method. However, when I run the code, I am not seeing the error message on the page. My code in the controller method looks like this:
If (!bool)
{
this.view.customValidator.IsValid = false;
this.view.customValidator.Visible = true;
}
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May 6, 2010
I am using Customvalidator control . I am giving client side validation function in it. On running it is giving error as: ValidationStream is not defined.
Following is the code:
<asp:CustomValidator ID="CustomValidator6" runat="server" ClientValidationFunction="validateDriveDate"
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Feb 10, 2010
I have two custom validators that are in the same validation group. This validation group is launched by one button. My question is, in what order will the custom validators fire in? It appears that the validator that is placed earlier in the aspx page fires first, but I don't want to rely solely on this.
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Feb 9, 2011
<asp:TextBox ID="txtMobile" runat="server" MaxLength="11"></asp:TextBox>
<ajaxToolkit:FilteredTextBoxExtender ID="fteMobile" runat="server" TargetControlID="txtMobile"
FilterType="Numbers" />
[code]...
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May 16, 2010
I have quite a few text area's on my page and am wanting to limit the number of characters for each one. However each one should be able to have its own maxlength (i.e. one could be 20 characters and the other could be 100 characters). My validation on the page is all done using custom validation as the built in validation of .NET is not extensible enough for me to display my validation errors how I want to display them. So this is what im wanting to do:
Make a custom validatorPass a MaxLength value from the custom validator into the javascript function, this value must also be accessible from the code behindI can then run client side and server side validation on each textbox control. The problem I am having is passing a MaxLength value to client side script and to server side. Is there a property on custom validators which I can use to pass values around? For instance in Javascript I would want the value of the MaxLength and also the id of the Div which will show the characters remaining, and server side I would need to know the MaxLength. I have done lots of research on this and cannot seem to find an answer.
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Aug 10, 2010
I have a form with textbox for name and two dropdownlist for month and years. Textbox has Requiredfieldvalidator and the dropdowns has got ustomvalidator.Initially when i dont enter anything in the text box and leave the dropdowns with default "MM" for month and "YYYY" for year i get error message in the validation summary at top and asterisk next to the textbox and dropdowns. Once i enter some text in the textbox and focus is away from textbox the asterisk disappears but even though i hav selected a valid month and year the asterisk next to the dropdowns is not disappearing. Same problem with the radio buttons.
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Jan 25, 2011
In my page i have DropDownlist.I want to write Custom validator.How to write?
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Jan 25, 2011
I have the following validation which is working fine for the rest of my fields, but trying to get a custom validator to work as part of the validation summary for a checkbox but no joy.
This is what I have at the moment
<script language="javascript" type="text/javascript">
function ValidateTandCs(source, args)
{
args.IsValid = document.getElementById('<%= optIn.ClientID %>').checked;
}
</script>
<asp:ValidationSummary CssClass="highlight"
id="ValidationSummary1"
HeaderText="<p>Please amend these errors below to continue with your
application.</p>" Runat="server" />
<asp:CheckBox id="optIn" runat="server"></asp:CheckBox> I agree to the terms and
conditions of this site and I wish to Opt In for registration.
<asp:CustomValidator ID="valTandCs" ClientValidationFunction="ValidateTandCs"
ValidationGroup="ValidationSummary1" runat="server"
ErrorMessage="Please accept Terms and Conditions before submitting.">
</asp:CustomValidator>
But when I click submit I only see the error messages for my other fields and nothing for this checkbox..
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Dec 14, 2010
How to compare tow date in format using custom validator and else. I have java script function like as. I want to call this function by using custom validator as
< </ asp:CustomValidator id="CustomValidator2" runat="server" ControlToValidate = "tbMyDate1"
EnableClientScript="True" Display="Static" ClientValidationFunction="Compare" SetFocusOnError="True" >asp:CustomValidator>
function { document.getElementById( Compare()"lblrefdate").innerText="";var m_names = new Array(
"Jan",
"Feb",
"Mar",
"Apr",
"May",
"Jun",
"Jul",
"Aug",
"Sep",
"Oct",
"Nov",
"Dec");
var { { dispMM=i+1; } }
dispdate=document.getElementById("tbMyDate");var
dispDD=dispdate .value.split("-")[0];var s1=dispdate.value.split("-")[1];var
dispMM;var i=0;for(i=0;i<=m_names .length ;i++)if(m_names [i]==s1) var { {
refMM=j+1; } } dispYY=dispdate .value.split("-")[2];var
refdate=document.getElementById("tbMyDate1");var refDD=refdate.value.split("-")[0];var
s2=refdate.value.split("-")[1];var refMM;var
j=0;for(j=0;j<m_names .length ;j++)if(m_names[j]==s2)var
refYY=refdate.value.split("-")[2]; if {
document.getElementById(
} (isNaN (refYY))"lblrefdate").innerText=""; else { { { { {
document.getElementById(
} if(refYY<=dispYY)if(refMM <=dispMM )if(refMM==dispMM)if(refDD <=dispDD )"lblrefdate").innerText="";else { document.getElementById(
} } } "lblrefdate").innerText="Ref Date can Not Be Grater then Disp Date";else {
document.getElementById( } }
"lblrefdate").innerText="Ref Date can Not Be Grater then Disp Date";else
document.getElementById( { } } }
"lblrefdate").innerText="Ref Date can Not Be Grater then Disp Date";
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Nov 29, 2010
I am working on a custom form field validator, it seems like the custom validator is working by not allowing it to continue to the next page, but it doesn't update the Validation Summary nor does it display the asterisk and the labels that i've made visable. I also have other validators like RequiredFieldValidator on the same field. My ValidationGroup is set, as is the Text and IsValid. I even wrote and set a dummy client side validation method in javascript as some workarounds suggests.
here is the validation summary code in asp.net
[Code]....
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Jul 4, 2010
I have a UserControl which contains a TextBox and a CustomValidator. I would like to set the CustomValidator.ServerValidate to a method in the page that contains the UserControl I found this code which will allow me to dynamically set the custom validators validation function: cusvCustom.ServerValidate += new System.Web.UI.WebControls.ServerValidateEventHandler(MethodName);
The problem is that a string value won't work there. It needs to be a reference to the method. Is it possible to use reflection (or some other method) to get a valid reference to the parent controls method using only the string name of it? The reason I want to use the string value of the method name is so I can place the control on the page thusly: <uc1:TextBoxField ID="tbUserName" runat="server" CustomValidationMethod="ValidateUserName" />
WebUserControl.ascx
<%@ Control Language="C#" AutoEventWireup="true" CodeBehind="WebUserControl.ascx.cs" Inherits="WebApplication1.WebUserControl" %>
<asp:CustomValidator ID="CustomValidator1" runat="server" ErrorMessage="Custom Validation Failed" OnServerValidate="CustomValidator1_ServerValidate" />
<asp:TextBox ID="TextBox1" runat="server" />
<asp:Button ID="Button1" runat="server" Text="Submit" CausesValidation="true" />
WebUsecControl.ascx.cs
using System;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace WebApplication1
{
public partial class WebUserControl : System.Web.UI.UserControl
{
public ServerValidateEventHandler Validating;
protected void CustomValidator1_ServerValidate(object sender, ServerValidateEventArgs e)
{
if (Validating != null)
Validating(sender, e);
}
}
}
TestPage.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="TestPage.aspx.cs" Inherits="WebApplication1.TestPage" %>
<%@ Register Src="~/WebUserControl.ascx" TagName="WebUserControl" TagPrefix="uc1" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<uc1:WebUserControl ID="WebUserControl1" runat="server" OnValidating="WebUserControl1_Validating" />
</div>
</form>
</body>
</html>
TestPage.aspx.cs
using System;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace WebApplication1
{
public partial class TestPage : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
//WebUserControl1.Validating += WebUserControl1_Validating;
}
protected void WebUserControl1_Validating(Object sender, ServerValidateEventArgs e)
{
e.IsValid = false;
}
}
}
I did some research and I found Type.GetMethod and MethodInfo but I can't get them to work. Primarily because I don't know the type of the parent control and can't figure out how to get it. EDIT: My code for matt-dot-net. As you can see it's almost an exact duplicate of your code. For whatever reason it does not work for me as I have it here. When I click on the button the page reloads and is the same. When I un-comment the one line though and click the button then I see the error message.
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Feb 18, 2011
how to implement WCF username authentication with a custom validator in both client side and server side. I am trying this since last 2 days. but no result.
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Nov 3, 2010
I have a requirement that one of multiple fields is required. Using custom validator the even fires, false is returned, but no error message is display and the form validates. What am I missing? I have tried with and without ValidationSummary.
<asp:CustomValidator ID="CustomValidator1" OnServerValidate="validatePhone" EnableClientScript="false" runat="server" ErrorMessage="Home or Cell Phone is Required" ></asp:CustomValidator>
<asp:ValidationSummary ID="ValidationSummary1" DisplayMode="BulletList" runat="server" ForeColor="Red" Font-Size="X-Small" Font-Bold="true" />
protected void validatePhone(object sender, ServerValidateEventArgs e)
{
e.IsValid = string.IsNullOrEmpty(txtCellPhone.Text) && string.IsNullOrEmpty(txtHomePhone.Text) ? false : true;
}
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Mar 12, 2010
I am using C# for ASP .NET 2.0. On my web form I have a TextBox that I want to let the end-user type inside of. The rules are as such: They should only be allowed to type numbers and a decimal. No negative numbers allowed. The number has to range from 0.00 to 24.00 - for hours - and can only allow for quarter hours - example: 0.00, 0.25, 0.50, 0.75, 1.00, 1.25, etc. Do I need a custom validator for this? If so, I do I check to see that the number is valid?
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Feb 10, 2010
I want to build a custom validator control that inherits from BaseValidator. It will only be used on textboxes in my asp.net application. How can I get access to the textbox itself (read properties of the textbox) within the custom validator?
Here is what I have in my EvaluateIsValid function:
Dim t As TextBox = CType(Page.FindControl(Me.ControlToValidate), TextBox)
Return t.Text.Length <= t.MaxLength
It can't seem to find the control, so it breaks with a null reference exception. Can I do this another way?
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Oct 19, 2010
How to reset date Type for Compare Validator in ASP.Neti am using the dd/MM/yyyy format for the Calendar Extender of a textbox, where as Compare Validater looks for MM/dd/YYYY format.so how to change date format of Compare Validator.
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