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i have 3 combo boxes (first combo box's selection determines the next ones content)
so when user selects first Postback occurs and page refreshes and the content in the second combobox changes.
Now all is working well,
however on a slow connection user selects first combo box and then quickly tries to select the second one but the post back hasn't returned yet... so how can i disable the page/comboboxes once the user makes his selection.
i hope all that made sense i am terribly new at this (and yes i am using asp.net and c#) 
If you think you can than you can, if you think you can't you are right.
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Basically, if you want to disable an element at client side, you can use javascript to set the disabled[^] to true. So in this case, if you want to disable the second dropdownlist once the user makes his selection on the first one, you can use the onchange event of the first dropdownlist to run your script to disable the second one. The sample code to register the script looks something like:
DropDownList1.Attributes.Add("onchange", "YourDisableScript(...);");
One more thing that you might should know is that when an input element like dropdownlist or textbox ... is disabled, its value is not submitted to the server when the page posts back. So if you want to disable the first dropdownlist, you will need to persist the value in a hidden element so that you can populate the second dropdownlist. Also, you might also consider using ajax in this case instead of posting the page back to populate the other dropdownlist based on the selection of the first one.
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i want to deploy and test my web app on a Local Area Network, do anyone has the procedure of doing this.
pls respond.
t.aransiola
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Just simply copy all aspx pages and dll files to web server
Then create a virtual directory...
<< >>
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I am using the asp menu control.The menu is horizontal orient. It works fine with the english part when i try to use it with arabic style right to left the dynamic menu starts from the left side as it works in english. I have given the direction as rtl the popout of the dynamic menu comes in the right side. The problem is the dynamic menu which popouts from the static menu is aligning to the left of the static menu. The dynamic menu should be aligned to the right side of the static menu.
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In asp.net, i want to change the image of the image web control at regular time intervals,for that i have used the timer control but the image was displaying
how to do that
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Check out ASP.NET ajax extensions, it's perfect for what you want: http://ajax.asp.net/default.aspx?tabid=47[^]
WM.
What about weapons of mass-construction?
"You can always try to smash it with a wrench to fix that. It might actually work" - WillemM
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Here when i am giving code in aspx.vb ,bydefault,for the button event it is giving functions return type as private.when i am debugging it it is giving error that Private is not accessible in this context.If i decalre it as public it is working.
But why it is not working for private???If i want to continue as private wat changes i have to make.
My friends programs are working with 'private'.
give me a solution
kissy
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What does your code look like? Basically, the ASP.NET generates a dynamic class at runtime which inherits from the class defined in code-behind. If the function is defined as private, it's not accessible to the child class, it needs a higher access level like protected or public.
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Hello!
I use in my app CreateUserWizard. When a user is registered i have OnCreatingUser event code which stores data in my own database but this data is also stored in the default databse(MS access). how to do this data not to be added in Ms access database?
Nadya
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In the OnCreatingUser event handler, you can set the Cancel property of the event data instance to true after you add data to your own store.
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i am new to asp.net programming.
i have created datagrid with checkbox col using <itemtemplate> option,i want to check the check box and delete the select rows frm grid,i tried but i am not getting it.i need code sample for it.
thanks in advance
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You can find a lot of datagrid examples from the site datagridgirl[^].
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hi..
First of all happy new yrear to you..
I want to generate a S-curve for a project (Commulative Work Verses Week Ending Date). Is there any tool to available to generate S-Curve?
Plz help me...
Thanx in Advance..
Gurudatta B. Shelke
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thanx Sir 4 ur advice... but i think these charts are different than S-curves... S- Curve is a parabolic chart na??
Gurudatta B. Shelke
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hi all
i would like to know how to restrict ..user to enter only numeric values in textbox.
i tried using keypress events and error provider..
but it doesnt met my requirement..
if user enter text it shouldnt be allowed..
thanks in advance for ur valuable reply..
let me know the best to do it
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One of the simple ways is to use the RegularExpressionValidator to validate the input textbox value. You can also use client side script to prevent the user from inputting non-numeric characters, you can use google to search for the sample script, or you can see a sample control from the telerik[^].
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I have a Asp.net 2.0 asp:FileUpload control on my page.
I want to keep the file name(file path) in the asp:FileUpload(textbox) after uploading the file.
I din't find any set property for asp:FileUpload
Any idea how to do this.
Regards,
Reji
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The FileUpload control renders as the input file element at the client side, and the value of this client side element is read-only, so you cannot persist the path of the uploaded file with this control. You may consider using a label instead.
Just curious you don't have even a name to display?
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Ok Thanks 4 the info...
I don't know why name not showing there....
Regards,
Reji
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@Reji,
Simple Answer: You can not feed values to Input File control. It is for security reasons. Otherwise a malicious website can feed c:\winnt\system32\ and then upload the files from your system right? 
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i have following difficulty :
how to set the value of custom validator errormessage property in javascript function i.e. the clientvalidationfunction()?
is it possible in clientside script?
There's never a Wronge Time To Do The Right Thing !!
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