Web Forms :: Set Selecteditem In RadioButtonList With Javascript (Client-Side)?

Oct 14, 2010

I was wondering, is there a way to set selecteditem in RadioButtonList using javascript (Client-Side) ? Is there an easy way to do that ?

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I have a radio button list. I want to get its selected item text and value client side suing javascript...

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Nov 23, 2010

I have a user control which contains a CustomValidator which is used according to whether a RadioButton is checked or not (there are several RadioButtons, I'm only showing the relevant one)

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[code]...

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There are two instances of this control in the page. When running the client side version it hits the wrong one (the version of the control which is disabled). You can see from the generated HTML both are correctly specified. I'm not sure how .NET works out which clientside function to call given they both have the same name.

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I have several lines of code like this:
[Code]....
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Here is my attempt:

[Code]....

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here is (part of, its 50 items long) the radiobuttonlist

[Code]....

and i use the value of the 'Value' attribute to make a selection

[Code]....

then I want the 'text' property of SelectedItem to be in the subject line of an email

[Code]....

but no matter what i do, it uses the 'Text' property of the first item in the list that has the same 'Value' as the one from the selection

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I have the following ASP.NET RadioButtonList:

[code]....

I would like to select an item in the list programmatically via a client-side jquery function like this (simplified version):

[code]....

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I am using simple radiobuttonlist with four items, I have enabled viewstate and postback but whatever option I choose it always return first value.

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I have a list of items on an ASP.net page. That list is selectable in that whenever the user clicks on one, the page does a postback and the server code stores the index or some unique identifier of the picture in a ViewState property indicating that it is currently selected.

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[code]....

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Web Forms :: RadioButtonList SelectedItem - Object Reference Not Set To Instance Of Object

Sep 29, 2012

I have 2 radiobutton list in my page when I didn't select item from radiobuttonlist it make below error

Object reference not set to an instance of an object. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.Source Error: 

Line 834:
Line 835: string RBLsh = RBL2.SelectedItem.Value;
Line 836: string RBLgh = RBL1.SelectedItem.Value;

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I have stumbled upon the issue when I need to retract html controls I've added client-side using JavaScript after the postback (due to server-side validation - this is not optional). I'm trying to achieve this is cr*p and there's a better way of doing this.

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[Code]....

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[Code]....

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Is there any way to add a confirmation dialog to a submit button when the form already has other validation controls and a summary control using "showmessagebox=true"? I tried adding

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<body>
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</body>
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can we apply clien side validation on above text box by java script ?in asp.net

<form runat="server">
</form>
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Javascript - How Much Client-side Programming Is Needed When Doing Server-side Programming

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but I am rather confused about what to invest in. I heard that server-side code translates into client-side code. So, if you have an .aspx file, it will be converted to HTML/CSS/JavaScript. I have experience with the latter three technologies put into a rather dull text file and rendered by a web browser. My question is how much HTML/CSS/Javascript coding would I have to do when server-side programming? In other words, can someone using ASP.NET program purely on the server side and not bother to write for the client side? Of course, I don't care about server-side being translated into client-side, but I am wondering if client-side programming needs to be done explicitly and to what degree.

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