If you try to set the image url of a ASPxImage on the client side, the old image disapear but the new image is not displayed
Steps to Reproduce:
Move your mouse over a node of the tree or click the button below the tree
The node image disapear when the event, mouseover, of the node is raised
The image, folder_blue.png, should appear when the event, mouseover, of the node is raised and the original image should be restored when the event ,mouseout, is raised
We've reproduced the issue and are currently working on the fix for this glitch. Unfortunately, our controls don't support IE8 Standard mode, but we have a request to add this capability and are planning to implement it in one of our future builds.
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The solution you've found will work fine. However, all end-users won't change their browser settings.
The current version of our controls doesn't support IE 8. The browser is automatically switched to IE 7 compatibility mode, because the ASPx~ controls put the following tag into the page's <head>:
<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7" />
Please note that the code above is not generated if the controls are initially invisible and appear after a callback (<head> cannot be modified via a callback). In this case, you can explicitly put the <meta> tag into your page as shown below. This is the best way around this issue.
<head id="Head1" runat="server"> ... <meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7" /> </head>
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The difference between the IE=7 and IE=EmulateIE7 is how it works in quirks mode:
Content Value Details
Display in IE7 Standards mode;
IE=7 Already supported in the IE8 Beta 1
Display standards DOCTYPEs in IE7 Standards mode;
IE=EmulateIE7 Display quirks DOCTYPEs in Quirks mode; Available through
the IE June Security Update for IE8 Beta 1
But if a page has a correct DOCTYPE, then the browser doesn't switch in quirks mode, so in this case, there's no differences.
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