Web Forms :: RequiredFieldValidator Works Clientside With Javascript... But Doesn't Validate Serverside With J?
Mar 12, 2010
I'm making a website in ASP.NET 4.0 where I make use of the RequiredFieldValidator control to validate a wizardstep.It works perfectly with Javascript enabled, but when I turn it off (in my Firefox) it just goes to the next step.We don't do a Page.IsValid check, but we don't do much on the "next button clicked" event either.Certainly not something that is forcing it to go to the next step.
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Jun 18, 2010
Let's say I have a function that takes a string. That string contains the fully name of an enum type (e.g. "MyCompany.Area.AotherNamespace.MyEnum").
How could I create an array of strings (or List<string>) whose elements are the values of MyCompany.Area.AotherNamespace.MyEnum?
Is that even possible?I'm basically trying to serialize an enum type serverside and then output it in clientside JavaScript so I don't have to define an enum in two places--in my C# and my JavaScript.
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Mar 9, 2011
i have two textboxes and two required filedvalidators for each one.and i have to validate based on the radio button slections.
1)if i select Radiobutton1 it has to validate both textboxes.
2)if i select Radiobutton2 it has to validate only one textbox.
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Jun 12, 2010
Anyway, if for example I have a textbox that I want to enable when the user check the desired checkbox/radiobutton, I like the textbox to be default enabled=false. What's the good approach between these two?
a.) client side
[Code]....
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Aug 23, 2010
I need to know on the serverside, if a RadioButton has been disabled (by javascript) on the clientside.
The (serverside) Enabled property is not the same as the (clientside) disabled property. Using MyRadioButton.Attributes("disabled") doesn't do the trick either.
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Aug 5, 2010
I am using ASP.NET 3.5.
When the user click on say btnSubmit I want to first execute some JavaScript code and then execute some C#/VB.NET code.
Is this possible? If so how would one do it?
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Aug 5, 2010
We deployed our legacy ASP.NET application to production after successful test deployments to our staging environment. The application makes use of RequiredFieldValidators on one particular registration page. On our development and stage environments, the validators successfully detect empty fields when "Submit" is clicked, error messages are displayed, and form submission is prevented. But on production, the validators do not display error messages. Clicking submit will cause a postback, the code-behind checks for Page.IsValid and correctly detects the form has missing fields, but the registration form is redisplayed with no error messages (ie "Please enter an email") to the user.Sample: (note I dont explicitly declare EnableClientScript or SetFocusOnError)
<asp:requiredfieldvalidator id=Requiredfieldvalidator1 runat="server" CssClass="NormalRed" Display="Dynamic" ErrorMessage="Please enter an email." ControlToValidate="txtEmail"></asp:requiredfieldvalidator>
Both environments (stage and production) are identical: Win2K3 Server and IIS 7, SQL Server 2008, and ASP.NET 1.1 runtime (embarrassingly).
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Feb 14, 2011
I placed 2 requiredfieldvalidators in my page (well, actually, more like a dozen of them, but only these 2 behave this way) and can not seem to figure out why the error message will not be displayed. The validation function works (the processing code is not run and focus is returned to the first field that fails validation) but no error message.
[Code]....
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Apr 10, 2010
i have webForm which have aspxMenu as toolbar.my problem is that when user click on aspxMenuItem, my requiredFieldValidator doesn't work, but when i use simple button instead of aspxMenu, it works!
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Oct 10, 2010
Why am I getting this error? I'm trying to do a calculation on my GridView2 and I'm using clientside javascript. I need to add the onkeyup attribute. How do I do this?
Code Behind:
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
CType(GridView2.FindControl("TextBox13"), TextBox).Attributes.Add("onkeyup", "calculateSubTotal")
End Sub
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Feb 19, 2011
How can I get ClientSide(JavaScript) Value for My ASP.net Custom Control?
for example I want to get a value like this:
var selectedItemID = getElementById("<%=MyControl1.ClientId%>").value;
How can i set a specific Value in my control scripts to get it from ".value" property like above?
Additional Note:
i want ".value" property(javascript) to get the dropDown control(one of my controls in my custom control) selected Value.
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Jan 11, 2011
how to write RequiredFieldValidator using Javascript?
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Dec 28, 2010
I know the built-in ASP.Net validators come with a client-side framework, however I've been unable to find anything that lets me check a single validator for it's Valid state.
The validator in question is a RegularExpressionValidator, which I use to determine whether an e-mail address is valid or not.
Here's some brief code:
[code]....
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Jul 1, 2010
I have a Asp.Net control inside a updatepanel thet is inside a modal popup. I wont to register write javascript code in client from the control code.
these is my code:
Dim output As String = .. javascript code
Page.ClientScript.RegisterClientScriptBlock(Me.GetType(), "frmulaMatrix", output, True)
these is my second thinf but dont work
Page.RegisterClientScriptBlock("SCRIPTNAME", "<script language='javascript'>" + output+"</script>")
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Mar 11, 2010
Is there any way to create a RequiredFieldValidator directly from JavaScript and assing the validation to a new created textbox, also created from javascript? I know how to create a new textbox or input control, but the RequiredFieldValidator is giving me problems.
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Sep 15, 2010
here i have 5 text boxs for 4 text boxs i kept RequiredFieldValidator's and for next text box i am return javascript function....
if am clicking on submit button only RequiredFieldValidator's are wrking bt java script function is not wrking....
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Mar 22, 2011
Here is my Javascript
<%-- script to load the default image--%>
<script type="text/javascript"><!--
window.addEventListener('load', function () {
// Get the canvas element.
[Code]....
If you look at the img.src at the very bottom, it loads the defaultImage.ClientId from the server which is suppose to get the image on the page. If I use a normal url it works, but if I use document.getElementById(imgid).src it just doesnt load an image. I am assuming its because the javascript loads before the serverside code is ran. How can I get around this?
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Dec 17, 2010
I need to call Serverside event from Java Script.
FOr this i Used __doPostBack but page flickering is occured eventhought if we keep update panels,
I have a gridview control from gridview I am calling RowCommand event and then a Popup Page from Popup i will return some values and again i need to bind the values back to the DataTable and then to GridView.
In JS if i User doPostBack('xyz','') page flickering is ocurred and if i user doPostBack('updatepanel1','') ID also flickering is not occuring bt values gets binded to GRidview after 5 sec delay....
is ther any alternate sol for this to do...
any Jquery or any JS???
or if i use ScriptManager Page Method is there any issues with that bcz we need to have a static method in server side.....:(
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Apr 3, 2011
note that the scenario is ASP.NET Webforms + Master - Content page which mess up the ids.
I have, say, three checkboxes
<asp:CheckBox ID="chkConsultantQuality" runat="server"
CssClass="company"/>
<asp:CheckBox ID="chkConsultantEnvironment" runat="server"
CssClass="company"/>
<asp:CheckBox ID="chkConsultantSafety" runat="server"
CssClass="company"/>
I would like to make a div id="CompanyPanel" on click event of each checkbox according to the following condition
visible if any of the checkboxes are checked.
hidden if all of the checkboxes are unchecked.
I am planning to use jQuery since I am selecting by class name. I could do it with jQuery.each on the class='company' by checking each for a checked flag.
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Feb 24, 2011
I have three views inside a Multiview How to activate one by one view means I Just want to change the Active View Index of the Multiview using javascript in ClientSide How can i do this?
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Mar 22, 2011
I am using a custom validator to call a javascript function for validation. My problem is that I need to be able to change the error message dynamically. Here is the code:
<asp:CustomValidator ID="CustomValidator1" runat="server" ClientValidationFunction="fcnValid1"
ErrorMessage="" Display="None" ValidateEmptyText="True">
</asp:CustomValidator>
[code]....
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Jul 30, 2010
I have to pass a string value from the server side page (.aspx.cs) to a function in .JS page. I need to call the function in JS page from server side page along with string as a parameter.
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Mar 22, 2010
i have a gridview that binds data after changes were made (delete,update..) and it's all done with the c# method DataBind() and i don't know why FF shows the changes but in IE8 the grid remains the same and only if i navigate back and refresh, then i see the changes.
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Mar 29, 2011
The following code doesn't work with customized CSS.
AddClass('Message'). It works in Chrome but not IE.
[code].....
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Dec 20, 2010
I have two lines of dropdown menus. There are 3 dropdown in each line (together 6). First dropdown in each line is "independent". The second and third are dependent. If user selects second, page loads and user can then selects item in third. So user have option to select first OR second and third in each line.
.ASPX code:
[Code]....
Since I've found out that you can't validate dropdown controls directly with CustomValidator I've wrote few lines of code for each of dropdowns to insert some values in txtBx_Cln1n2 which will be hidden when the page will be finished.
[Code]....
Unfortunately the code for CustomValidator have some bugs. If user doesn't select anything error message is shown. But if he choose 1 employee and then second and then select (I doubt that anybody will do this but I want to be sure and prevent as much exceptions as possible) the first item in one of the dropdowns ("all employees" or "employees by group") the custom Validator will allow execution of code for link button although the validation code should prevent this.
[Code]....
I know I could this a little better since code is quite complicated if I want to tell the user which employee he/she forget to enter. I've tried instead of SelectedItem.Value also SelectedIndex != 0 but the problems are the same.
I couldn't validate this without the use of textbox. But this method is also making complications since user can select 2 employees and then in one of the selected dropdown change selection to index = 0. Maybe I have to disable viewstate on all dropdowns? But this would probably affect INSERT of data?
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