C# - Validation User Control?

Aug 17, 2010

I have an ASP.NET user control in which there are two fields (fromdate and todate) which have RequiredFieldValidators associated with them. When saving I want to validate if the fromdate and todate are entered. How do I do that? I have tried Page.IsValid, but it always returns true.

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Parent User Control Validation From Child User Control?

Feb 26, 2010

I have a user control which contains two text fields each assigned with requiredfield validators this control contains another user control contains say a button .On click of this button i need to validate the fields from the parent control text fields.I try the Page.Validate("ValidationGroup") with Page.IsValid it validates but the error message is not shown .Error message is shown only if i try to validate it from the contains which contains the required field validators ?

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User Control Validation Not Working?

Jul 6, 2010

I Have Register Two Control In My Page .. There Is Some Of Validation In My Aspx Page And Validation In User Control . I Was Give Same Name Of Validation Group Same In User Control And Aspx Page Control. But I Post Page Then User Control Validation Not Working..

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Nov 23, 2010

I am looking for the best way to set the validation group for all of the controls contained in a user control. Most of the controls in the control are created dynamically when the control is loaded. It has quite a few input fields and validators.

I would like to save time by setting the validation for all the controls and validators with some sort of function that could just loop through everything and set it.

It seems though that there is no consistent interface that includes validation group for all of the different controls that have the property.

Should I use reflection to check for Validation group, I know I can do this, but is there a better way?

We are using C# by the way.

EDIT: I put the answer down below for anyone who wants the code.

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User Control Validation Is Not Working Properly?

Sep 14, 2010

In my Website I have header control (header.ascx) and footer control (footer.ascx).In header.ascx one textbox and one button is there. Textbox meant for accepting search string.

In footer.ascx one textbox and one button is there. Textbox meant for accepting Email-Id.

Now in validation of header.ascx I had done blank checking by JavaScript. And in validation of footer.ascx I had done blank-checking and e-mail checking by javascript.

In both the control the textbox and the button both resides under Panel control whose
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Now My problem is suppose I place the mouse cursor in footer.ascx's textbox and press the ENTER key it validates properly but after that if I place the cursor inheader.ascx's textbox and press the ENTER then it is not working. Again If I do the opposite then also first one will fire but in case of second it is not firing .......

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I am facing an interesting issue related to user control validation. I have a strongly typed user control with address entity. I have also created the address entity metadata class with validation definitions. This user control is basically to search and get the address based on the pincode user input. Pincode field is part of the user control and I have defined the required field and regexp validator for pincode field in the address metatdata class.

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C# - Validation Controls In User Control Not Stopping Page Postback?

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I have a asp button and a user control containing custom validator in it when i click the button that is present on the page not inside the usercontrol, the user control client side validation occurs and displays the javascript method regarding data entry failure but when i click the javascript alert box ok button, the postback gets occured automatically i want to stop the postback if the user control contains invalid data in iother words the postback get occured only when the user control contains the valid data.

I have already done this type of coding in javascript:

function CheckTimeRangeTo_9(sender, args) {
var e = document.getElementById('<%= ddTimeTableTo_9.ClientID %>');
var totalToTimeInMins = CalculateTotalMinutes(e.options[e.selectedIndex].value);
var totalFromTimeInMins = CalculateTotalMinutes(args.Value);

[Code]...

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[Code]....

So far so good, but now i want to create the logic to do the actual login. In a regular aspx page i'll do it in the cmdlogin click event, but as i'm in the masterpage, i'm not sure if i can do that. I actually tried to do it in the code behind of the masterpage, but it didn't work. What can do?? do i ahve to use the asp.net login control?

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runat="server"
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Server Controls In User Control Are Null When User Control Serves As A Base User Control ?

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Mar 19, 2010

I am creating dropdown controls in code behind. in some conditions I need to add validation control to dropdowlist. But Validation not firing when I submit button.

If mQuestion.RequiredToAnswer = True Then
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I am using the File upload control in asp.net

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When to go for custom validation control and when to do validation in javascript? What are pros and cons of each of them?

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User Controls :: Decrypting Password On User Validation Or Authentication

Jul 17, 2015

Article : Encrypt and Decrypt Username or Password stored in database

The whole thing works very well but my issue is, after entering and encrypted password how does the user then log into the database?

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I've got a web site that has a master page and that master page (mpMaster that has a user control ucControl1) which has a sub user control (ucControl2), this user control has a property which accepts a value. Now, I have a page that uses the master page
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Feb 17, 2011

I am trying to assign user control from another user control ..first time its binding control successfully but when we refresh the data its giving error

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My senerio below :

1 Aspx page

2. User control

calling usercontrol databinding method from aspx page but once it get refreshed ,not allowed to bind it again..

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User/server Control With Custom List Items / Create A Simple Menu User Control

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I'm attempting to create a simple menu user control just as outlined here.

The attached code results in an "Object reference not set to an instance of an object" error, but I can't figure out why.

<%@ Master Language="VB" CodeFile="MySite.master.vb" Inherits="MySite" %>
<%@ Register src="Controls/Menu.ascx" tagname="Menu" tagprefix="my" %>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">......

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Jun 11, 2010

I have to access the parent form's controls inside an event handler method on my user control's code behind.

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Custom Server Controls :: Unable To Use A Web User Control Inside Another Web User Control

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I have a web user control that represents a simple message box. It is used to display simple messages like "Item has been deleted", or "The item was saved successfully".

On the other hand, I have another web user control that represents the item in the form of an editable form (I made this a user control because this is used in two different pages). I want to embed an instance of the message box user control inside the editable form. I am writing this right after the @Control directive:

[Code]....

Instead of using @Register directives, I register the user controls in web.config and so far this has worked just fine.

With the above markup, the project compiles, but whenever I try to navigate to a page that contains this construct, I get an HttpParseException exception. Furthermore, Visual Studio states that the tack w7rc9:MessageBox doesn't represent a known control.

What am I doing wrong?

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Have The Windows User Control, Need To Convert This User Control In Web User Control?

Jul 16, 2010

I want to convert windows user control into web user control..I have the usrDataView.cs..I need to convert this file into usrdataview.ascx.can anyonr help me?...how I can convert the file...Is any method is available..

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Passing Parameter From One User Control To Another User Control In An Aspx Page?

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have two user controls on one aspx page. UC1 has a grid which contains a link button column which user clicks. Based on the value of clicked cell, I need to show some data into UC2.How do I pass data from UC1 to UC2? How do I invoke a function of UC2 from UC1?

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Web Forms :: Nest / Include A User Control Inside A User Control?

Apr 16, 2010

All I would like to be able to do is include one user control within another! Is this possible? I have spent the last hour searching the internet and it seems that I can't find a single thing.

In classic ASP it would be something like:
<!--#include file="EditProject.ascx"-->

I tried this but no luck!

Parser Error Message:

There can be only one 'control' directive.

Source Error:

[Code]....

Line 1: <%@ Control Language="VB" AutoEventWireup="false" CodeFile="EditProject.ascx.vb"Line 2: Inherits="Controls_WebUserControl" %>Line 3: <form runat="server">

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