收藏记录

sql2005 分页必用的ROW_NUMBER() Over (order by [GID] )

{0}; select * from({1})a where RID between 1+(@PageSize*(@PageIndex-1)) and (@PageSize*@PageIndex)

/*

去掉html

*/

/// <summary>
/// 去除HTML标记
/// </summary>
/// <param name="strHtml">包括HTML的源码 </param>
/// <returns>已经去除后的文字</returns>
public string StripHTML(string strHtml)
{
string[] aryReg ={
@"<script[^>]*?>.*?</script>",

@"<(///s*)?!?((/w+:)?/w+)(/w+(/s*=?/s*(([""'])(//[""'tbnr]|[^/7])*?/7|/w+)|.{0})|/s)*?(///s*)?>",
@"([/r/n])[/s]+",
@"&(quot|#34);",
@"&(amp|#38);",
@"&(lt|#60);",
@"&(gt|#62);",
@"&(nbsp|#160);",
@"&(iexcl|#161);",
@"&(cent|#162);",
@"&(pound|#163);",
@"&(copy|#169);",
@"&#(/d+);",
@"-->",
@"<!--.*/n"

};

string[] aryRep = {
"",
"",
"/"",
"&",
"<",
">",
" ",
"/xa1",//chr(161),
"/xa2",//chr(162),
"/xa3",//chr(163),
"/xa9",//chr(169),
"/r/n",
""
};

string newReg = aryReg[0];
string strOutput = strHtml;
for (int i = 0; i < aryReg.Length; i++)
{
Regex regex = new Regex(aryReg[i],RegexOptions.IgnoreCase);
strOutput = regex.Replace(strOutput,aryRep[i]);
}

strOutput.Replace("<","");
strOutput.Replace(">","");
strOutput.Replace("/r/n","");

return strOutput;
}

/*

图片显示

*/

<style type="text/css">
#preview_wrapper{
display:inline-block;
width:200px;
height:200px;
background-color:#CCC;
}
#preview_fake{ /* 该对象用户在IE下显示预览图片 */
filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale);
}
#preview_size_fake{ /* 该对象只用来在IE下获得图片的原始尺寸，无其它用途 */
filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=image);
visibility:hidden;
}
#preview{ /* 该对象用户在FF下显示预览图片 */
width:200px;
height:200px;
}
</style>
<script language="javascript" type="text/javascript">
/*** 删除首尾空格 ***/
String.prototype.Trim = function() {
return this.replace(/(^/s*)|(/s*$)/g,"");
}



function onUploadImgChange(sender){
if( !sender.value.match( /.jpg|.gif|.png|.bmp/i ) ){
alert('图片格式无效！');
return false;
}

var objPreview = document.getElementById( 'preview' );
var objPreviewFake = document.getElementById( 'preview_fake' );
var objPreviewSizeFake = document.getElementById( 'preview_size_fake' );

if( sender.files && sender.files[0] ){
objPreview.style.display = 'block';
objPreview.style.width = 'auto';
objPreview.style.height = 'auto';

// Firefox 因安全性问题已无法直接通过 input[file].value 获取完整的文件路径
objPreview.src = sender.files[0].getAsDataURL();
}else if( objPreviewFake.filters ){
// IE7,IE8 在设置本地图片地址为 img.src 时出现莫名其妙的后果
//（相同环境有时能显示，有时不显示），因此只能用滤镜来解决
// IE7,IE8因安全性问题已无法直接通过 input[file].value 获取完整的文件路径
sender.select();
var imgSrc = document.selection.createRange().text;

objPreviewFake.filters.item(
'DXImageTransform.Microsoft.AlphaImageLoader').src = imgSrc;
objPreviewSizeFake.filters.item(
'DXImageTransform.Microsoft.AlphaImageLoader').src = imgSrc;

autoSizePreview( objPreviewFake,
objPreviewSizeFake.offsetWidth,objPreviewSizeFake.offsetHeight );
objPreview.style.display = 'none';
}
return true;
}

function onPreviewLoad(sender){
autoSizePreview( sender,sender.offsetWidth,sender.offsetHeight );
}

function autoSizePreview( objPre,originalWidth,originalHeight ){
var zoomParam = clacImgZoomParam( 200,200,originalHeight );
objPre.style.width = zoomParam.width + 'px';
objPre.style.height = zoomParam.height + 'px';
objPre.style.marginTop = zoomParam.top + 'px';
objPre.style.marginLeft = zoomParam.left + 'px';
}

function clacImgZoomParam( maxWidth,maxHeight,width,height ){
var param = { width:width,height:height,top:0,left:0 };

if( width>maxWidth || height>maxHeight ){
rateWidth = width / maxWidth;
rateHeight = height / maxHeight;

if( rateWidth > rateHeight ){
param.width = maxWidth;
param.height = height / rateWidth;
}else{
param.width = width / rateHeight;
param.height = maxHeight;
}
}

param.left = (maxWidth - param.width) / 2;
param.top = (maxHeight - param.height) / 2;

return param;
}
</script>

/*

js 转两位小数点

*/

Number(99.56565).toFixed(2);

/***是否是含有小数位的金额***/
function isMoney(sender)
{
var pattern =/^/d+[/.]?(([0-9])*)$/;
var bflag=true;

if(sender.value.Trim()=="")return false;

if(!pattern.exec(sender.value.Trim()))
{
sender.value="";
return false;
}

return true;
}

/***linq学习记录**/

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace LinqC
{
class Program
{
static void Main(string[] args)
{
// HasOrderBy();

GroupBy();

}

private static void HasOrderBy()
{
int[] arr = new int[] { 8,5,89,3,56,4,1,58 };
var m = from n in arr where n < 5 orderby n select n;
foreach (var n in m)
{
Console.WriteLine(n);
}
Console.ReadLine();
}

private static void GroupBy()
{
string[] languages = { "Java","C#","C++","Delphi","VB.net","VC.net","C++ Builder","Kylix","Perl","Python" };
var query = from item in languages
orderby item
group item by item.Length into lengthGroups
orderby lengthGroups.Key descending
select lengthGroups;
foreach (var item in query)
{
Console.WriteLine("strings of length {0}",item.Key);
foreach (var val in item)
{
Console.WriteLine(val);
}
}
Console.ReadLine();
}
}
}

/*********************************动态加载自定义控件**************************************/

LoadControl("Default.ascx");

（编辑：李大同）

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