Web Forms :: How To Create Fileupload And CustomValidator

Feb 8, 2011

how can i make dynamice fileupload and customvalidator on my page where customvalidator have some type of file for example xls,ppt just;

in onther word when user select file where it not in ajenda must customvaliator work else nothing do

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Web Forms :: Validating The Width Of An Image From A FileUpload Using A CustomValidator?

Jun 9, 2010

I'm attempting to validate the width of an image to make sure that it is at least 130px wide before uploading it to the server

Below is how I tried to accomplish this, however, I was still able to upload images that were less than 130px wide without drawing the error as intended


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Javascript + Asp: FileUpload And CustomValidator?

Aug 30, 2010

How can I create a CustomValidator on Client Side for validating my file path from FileUpload?

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Web Forms :: Restrict Number Of Files Selected In (HTML5) FileUpload When AllowMultiple True Using CustomValidator?

May 7, 2015

How to set MaximumNumberOfFiles in asp.net fileupload control Client side ? 

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Web Forms :: Create A Customvalidator For The Checkboxlist?

Mar 29, 2010

I found this article [URL] on how to create a customvalidator for the checkboxlist. Followed all the way thru, but when i load my page i get the following error, how can it exist in 2 places? How can i resolve this to use the validation on the page?

Compiler Error Message: CS0433: The type 'CustomValidators.RequiredFieldValidatorForCheckBoxLists' exists in both 'c:WINDOWSMicrosoft.NETFrameworkv2.0.50727Temporary ASP.NET Files
oot294f506e54827e67assemblydl3b4b5a368e15533_8dcfca01RequiredFieldValidatorForCheckBoxLists.DLL'and 'c:WINDOWSMicrosoft.NETFrameworkv2.0.50727Temporary ASP.NET Files oot294f506e54827e67App_Code.5yh9snf-.dll'

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Create And EditorFor FileUpload In Asp Mvc 3 Razor?

Mar 18, 2011

The lack of an EditorFor file in asp.net mvc 3 seems like such a glaring omission I wonder: Is there some way that mvc handles file uploads that is just not publicized that well? As near as I can tell there is no built in way to handle file uploads.I'm just curious if the file upload capability is in fact there and I'm just missing it, or if it does not exist at all.

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Web Forms :: Change Text That Is Beside Of Fileupload Button - No File Chosen In FileUpload Control

Jun 27, 2012

I have Fileupload control in my page

1-i want delete the text that is beside of fileupload button  text: no file choesn

2-i want change text of file upload button(  I want change Choose file text)

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Web Forms :: FileUpload Focus / When Click The Fileupload Text Box , Choose File Window Have To Open?

Mar 19, 2010

I m using FileUpload Control , when i click the fileupload text box , Choose file window have to open.

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Web Forms :: FileUpload Control / How To Create Image Preview Before Image Uploaded

Sep 20, 2010

i am using fileupload asp.net controll so how i create image preview before image uploaded

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Web Forms :: How To Reference CustomValidator

Sep 2, 2010

I have two CustomValidators, both of which function in the same way (call a query and check if a particular value is available in the DB), the only difference is the query itself.

Rather than writing the same function definition in the code-behind, I would like to find a way to execute a particular query depending on which CustomValidator called the function (I guess using the CustomValidator's ID) so if I have the follwing:


How can I check in the code behind , which validator called the function "Check"??

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C# - Get Data Chosen In FileUpload Control Without FileUpload.SaveAs Method On The Server?

Feb 17, 2011

How to get data (read file) chosen in FileUpload control without FileUpload.SaveAs Method on the server? Is it possible write it at once to some object?

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Web Forms :: CustomValidator Will Not Work In Firefox?

Dec 2, 2010

I am clicking one linkbutton to check the validators clientside in the panels. This works well in IE, but not in Firefox. When I click the button, it does not even hit the validateLength function


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Web Forms :: CustomValidator Not Working In 4.0 And FireFox

Jan 3, 2011

Sample code below. Either I am doing something wrong or missing something in 4.0.

1: The function CheckText fires upon button click in IE but not in FF.
2: The function CheckText fires upon button click in IE /FF when the site runs under 2.0 or 3.5.


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Web Forms :: CustomValidator Not Working With Three Boxes

Apr 20, 2010

I have a custom validator which validates three text boxes. my code is,

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Web Forms :: How To Set An Error Message In A CustomValidator

Jan 25, 2011

How can I set an error message in a CustomValidator and show this with the ValidationSummary after the submit with JavaScript.Thus, I want to trigger the Customvalidator with Javascript.

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Web Forms :: CustomValidator ClientValidationFunction Using CallBack

Jan 30, 2010

I try to use CustomValidator ClientValidationFunction. The issue I have is CallBack using Asynchronous call which make it difficult to detect when the call is complete.

var callbackresult;
function ValidateSomething(src, args)
MyCallBackMethod(param); How shall I check when the call back is complete??? Any workaround?
if(callbackresult == 'true')
args.IsValid = true;
args.IsValid = false;

function CallBackRef(result, context)
callbackresult = result;

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Web Forms :: How To Use CustomValidator For CheckBoxList Web Control

Jan 12, 2011

I want to use CustomValidator for CheckBoxList web control. I tried the code found on:[URL]

But it is not working for me. Nothing happens. No error.

My code (based on the provided link) is as follows:


But it doesn't execute client side CheckItem2 method.

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Assign Full File Path Of FileUpload In Textbox Control Back To FileUpload On Postback?

Oct 14, 2010

I have a FileUpload control in an UpdatePanel and when user select a file, the full file path will will be stored in a hiddenfield, and during postback, i would like to assign the full file path in the hiddenfield back to the FileUpload control textbox, possible to achieve that?

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Web Forms :: Compare Dates CustomValidator And ValidatorCallout

Mar 8, 2011

I'm trying to compare two dates to make sure one is not greater than the other using a customvalidator and validatorcallout. However, I can't seem to get it to work and I've tried many examples but I can't seem to get what I want to work

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Web Forms :: How To Add A CustomValidator At Runtime With ClientValidationFunctions Enabled

Jan 4, 2011

i have written a dynamic formular designer that generates all its form elements from a database at runtime.
The controls of the forms are entered into a table.

The HTML Table is the value that i return to the caller of my method so the caller can display the table insidehis own page.

I try to use ClientSideValidation to check the inputs of the form fields. So i generate a CustomValidator and try to add itto my table. But then there are some client side funtions missing, e.g. Page_ClientValidate().

When I add a static CustomValidator to the aspx Page (of the caller) the functions are existing. But i don't want to place a static CustomValidator on each ASPX Page that uses my Formulardesigner...

But how can i get the javascript functions added to the page at runtime? I added my javascript code for clientvalidation functions withClientScriptManager and RegisterStartupScript but how can i add the javascript functions for the CustomValidator add runtime?

Here's a very small snippet of my code:


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Web Forms :: How To Use The Customvalidator To Compare The 2 Textboxes Instead Of The Comparevalidator

May 20, 2010

i have 2 texztboxes for 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.


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Web Forms :: CustomValidator Not Fired With Empty Text?

Feb 1, 2010

I have this:

<asp:TextBox ID="tbxCustomer" runat="server" Font-Size="X-Small" Width="257px"></asp:TextBox>
<asp:CustomValidator ID="tbxCustomer_RequiredFieldValidator" runat="server" ClientValidationFunction="CheckRequiredField" ControlToValidate="tbxCustomer" EnableClientScript="true" ValidateEmptyText="true" />

So I want my javascript function fired even with empty text, but it doesn't. Is there a workaround or should just use jQuery to do this?

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Web Forms :: Adding A CustomValidator From The Code Behind File?

Mar 19, 2010

I have a CheckBoxList generated from the code behind file that I want to validate with a CustomValidator.However, I don't succeed in stating the C# function that it has to use, and I can't seem to bind it to the CheckBoxList control.


and then something like:WorkCheckboxValidator.ControlToValidate = WorkScheduleCheckboxList.ToString();

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Web Forms :: Start And End Time Validation Using CustomValidator

May 7, 2015

I want my Start Time and End TIme should not be equal to each other and I want the End TIme should not go beyond the Start TIme. For example:

Start Time = 8:30 AM

End Time = 8:00 AM

The above example should have an error because the End Time go beyond the Start Time.

My HTML code:

Time In:

<cc1:MaskedEditValidator ID="mevStartTime" runat="server" ControlExtender="meeStartTime"
ControlToValidate="txtStartTime" IsValidEmpty="False" EmptyValueMessage="Time is required "
InvalidValueMessage="Time is invalid" Display="Dynamic" EmptyValueBlurredText="Time is required "
InvalidValueBlurredMessage="Invalid Time" ValidationGroup="MKE" ForeColor="Red" />
<asp:TextBox ID="txtStartTime" runat="server" Text='<%# Bind("StartTime", "{0:t}") %>'

[Code] ...

Time Out:

<cc1:MaskedEditValidator ID="MaskedEditValidator1" runat="server" ControlExtender="meeStartTime"
ControlToValidate="txtEndTime" IsValidEmpty="False" EmptyValueMessage="Time is required "
InvalidValueMessage="Time is invalid" Display="Dynamic" EmptyValueBlurredText="Time is required "
InvalidValueBlurredMessage="Invalid Time" ValidationGroup="MKE" ForeColor="Red" />
<asp:TextBox ID="txtEndTime" runat="server" Text='<%# Bind("StartTime", "{0:t}") %>'

[Code] .....

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Fileupload Within Update Panel / Can't Get The FileUpload Working Properly

Jan 15, 2010

Hopefully someone can give me some pointers to get this working properly.

I have a webpage which I would like the ability to upload files to be stored in a database. Here's the layout of the page:


The update panel is configured as such:

ChildrenAsTriggers="True" EnableViewState="True" RenderMode="Block" UpdateMode="Always" Visible="True" Runat="Server"

The reason I have the update panel outside the Tabcontainer is so that when switching between tabs, the screen doesn't flicker with refreshes, etc. But as a result, I can't get the FileUpload working properly. The FileUpload1.Filename is blank, so it errors out.

Is there anyway to get this working properly? I've tried the latest AsyncFileupload within the control toolkit, but this caused all kinds of problems with my pages so that's out of the question. I tried an iFrame too, but this also didnt work properly.

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