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How to make input type= file Should accept only pdf and xls

...(for PDF you will have to change the mime type and the magic number): <form id="form-id"> <input type="file" id="input-id" accept="image/jpeg"/> </form> <script type="text/javascript"> $(function(){ $("#input-id").on('change', function(event) { var...
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How can I make the cursor turn to the wait cursor?

...tter way to show the Wait cursor is to set the UseWaitCursor property in a form to true: form.UseWaitCursor = true; This will display wait cursor for all controls on the form until you set this property to false. If you want wait cursor to be shown on Application level you should use: Applicatio...
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How to call a PHP function on the click of a button

...nse) { // Response div goes here. alert("action performed successfully"); }); }); }); In ajax.php <?php if (isset($_POST['action'])) { switch ($_POST['action']) { case 'insert': insert(); break; ...
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Send a file via HTTP POST with C#

... Microsoft.Net.Http package from NuGet) there is an easier way to simulate form requests. Here is an example: private async Task<System.IO.Stream> Upload(string actionUrl, string paramString, Stream paramFileStream, byte [] paramFileBytes) { HttpContent stringContent = new StringContent(p...
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How can I set focus on an element in an HTML form using JavaScript?

I have a web form with a text box in it. How do I go about setting focus to the text box by default? 9 Answers ...
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How to get value of selected radio button?

...spect the implementation behind the call, you can say no more about the performance of the above than you can say about any other oneliner that calls native code. We do not have enough information to speculate how the browser manages to locate :checked element(s) -- maybe it has everything "hashed a...
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width:auto for fields

...y width:100% as illustrated in my example below. Doesn't fill width: <form action='' method='post' style='width:200px;background:khaki'> <input style='width:auto' /> </form> Fills width: <form action='' method='post' style='width:200px;background:khaki'> <input st...
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File upload progress bar with jQuery

... Note: This question is related to the jQuery form plugin. If you are searching for a pure jQuery solution, start here. There is no overall jQuery solution for all browser. So you have to use a plugin. I am using dropzone.js, which have an easy fallback for older browse...
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How to trigger HTML button when you press Enter in textbox?

... @McKay, no it is not. Buttons can be used for things besides forms. In fact, the OP's question is explicitly not in a form. – Dan Aug 2 '15 at 18:39 2 ...
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How to allow only one radio button to be checked?

... @Clinteney without a name they're not really part of the form and their value won't be sent when submitting the form. The name is used by the browser to set "groups" of radio buttons, only one radio button in each group can be selected at one time and selecting other will clear the...