AJAX中利用AutoCompleteExtender实现类似于谷歌的智能提示（利用记事本）
<div id="cnblogs_post_body">1、打开VS，添加TextFile1.txt、WebForm1.aspx、WebService1.asmx；2、在TextFile1.txt添加如下图所示数据：
http://pic002.cnblogs.com/images/2012/387560/2012111917171970.jpg
3、在WebService1.asmx中添加GetCompleteList方法，代码如下：
<div class="cnblogs_code" >http://images.cnblogs.com/OutliningIndicators/ContractedBlock.gifhttp://images.cnblogs.com/OutliningIndicators/ExpandedBlockStart.gifGetCompleteList方法<div id="cnblogs_code_open_2ababa0e-c41f-47cf-bbc1-42f39162539a" class="cnblogs_code_hide"> public String[] GetCompleteList(string prefixText, int count) { if (autoCompleteWordList == null) { string[] temp = File.ReadAllLines(Server.MapPath("./TextFile1.txt")); Array.Sort(temp, new CaseInsensitiveComparer()); autoCompleteWordList = temp; int index = Array.BinarySearch(autoCompleteWordList, prefixText, new CaseInsensitiveComparer()); if (index < 0) { index = ~index; } int matchingCount; for (matchingCount = 0; matchingCount < count && index + matchingCount < autoCompleteWordList.Length; matchingCount++) { if (!autoCompleteWordList matchingCount].StartsWith(prefixText, StringComparison.CurrentCultureIgnoreCase)) { break; } } String[] returnValue = new string; if (matchingCount > 0) { Array.Copy(autoCompleteWordList, index, returnValue, 0, matchingCount); } return returnValue; } else { autoCompleteWordList = null; return null; } }
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