| Displaying Page (2) of (2) | Total FAQ's Found : (43) |
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| 31) | Can the view state be encrypted? |
| | The view state can be encrypted by setting EnableViewStateMac to true and either modifying the element in Machine.config to tag. Then, a byte[] can be declared to read in the data from the input file. This can then be sent to the server. |
| 39) | How do I create an ASPX page that periodically refreshes itself? |
| | The following META tag can be used as a trigger to automatically refresh the page every n seconds:
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| 40) | How do I initialize a TextBox whose TextMode is "password", with a password? |
| | The TextBox’s Text property cannot be used to assign a value to a password field. Instead, its Value field can be used for that purpose.
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| 41) | Why does the control's PostedFile property always show null when using HtmlInputFile control to upload files to a Web server? |
| | This occurs when an enctype="multipart/form-data" attribute is missing in the |
| 42) | How can the focus be set to a specific control when a Web form loads? |
| | This can be achieved by using client-side script:
document.forms[0].TextBox1.focus
The above code will set the focus to a TextBox named TextBox1 when the page loads.
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| 43) | How does System.Web.UI.Page's IsPostBack property work? |
| | IsPostBack checks to see whether the HTTP request is accompanied by postback data containing a __VIEWSTATE or __EVENTTARGET parameter. If there are none, then it is not a postback. |
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