How To Display Tooltip for TextBox While Entering the Text in that in asp.net

How To Display T开发者_运维技巧ooltip for TextBox While Entering the Text in that in asp.net .

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intially tooltip is display:none

$("input[id$=tbMyTextbox]").focus(function() {
   $("div[id$=tooltip]").show();
});

$("input[id$=tbMyTextbox]").blur(function() {
   $("div[id$=tooltip]").hide();
});

check this also works : http://craigsworks.com/projects/qtip/