ASP.NET数据库导入Excel
StringWriter sw = new StringWriter();
sw.WriteLine("访问购买率");
sw.WriteLine("排行\t商品名称\t人气指数\t购买次数\t访问购买率");
int i = 0;
foreach (ProductSaleInfo productSale in productSaleList)
{
i = i + 1;
sw.WriteLine(i.ToString() + "\t" + productSale.Name.ToString() + "\t" + productSale.ViewCount.ToString() + "\t" + productSale.SaleCount.ToString() + "\t" + XWXCommon.ProductBuyRate(productSale.ViewCount.ToString(), productSale.SaleCount.ToString()));
}
sw.Close();
Response.Clear();
Response.Buffer = true;
Response.Charset = "GB2312";
Response.AppendHeader("Content-Disposition&
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System.Drawing.Image imgPhoto = System.Drawing.Image.fromFile("图片路径名");
int sourceWidth = imgPhoto.Width; //图片宽度
int sourceHeight = imgPhoto.Height; //图片高度
控件名.PostedFile.ContentLength &n ......
在做asp.net的Web开发的时候，我们经常会遇到一次性上传多个文件的需求。通常我们的解决方法是固定放多个上传文件框，这样的解决办法显然是不合理的，因为一次上传多个，就意味着数量不确定。因此我们就要让这些文件上传框动态添加，下面我以我做的一个图库管理中的上传图片的功能为例
先看效果：
打开的初始界面：
默认 ......
This server-based method is documented in the Visual Studio help files. Open the Help Index, and enter PrintToPrinter in the "Look for:" box. The syntax for this method is:
Report.PrintToPrinter(<copies as int>, <collated as True/False>, <startpage as int>, <endp ......
开发中经常遇到要重置控件值得操作，下面写了常用HTML控件的重置方法。不完整的，大家可以扩充
function ResetControl() {
var v = document.forms[0].elements;
for (var i = ......
using System;
using System.Collections.Generic;
using System.Text;
using System.Configuration;
using System.Data.Common;
using System.Data;
namespace DownData.dal
{
public static class DBHelper
{
private stati ......
