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启动 asp.net 程序后出现“未能加载文件或程序集“XXX”或它的某一个依赖项。试图加载格式不正确的程序。”，解决办法如下： 应用程序生成平台设置为 Any CPU 打开 IIS 的【应用程序池】->【高级设置】->【启用32位应用程序】，设置为 True 即可。

在 Visual Studio 中添加一个 WSDL 服务引用，启动后提示错误：XmlAnyElement attributes are supported when IsWrapped is true

1234567char c1 = '\0';char c2 = Char.MinValue;char c3 = (char) 0;char c4 = Convert.ToChar(0);char c5 = ((char?) null).GetValueOrDefault();char c6 = default(char);Console.WriteLine("C...

声明对象1234567891011121314using System;using System.ComponentModel;using System.Reflection;[Description("用户")]public class User{ [Description("编号")] public int Id {...

自定义文本框123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354/// <summary>/// 自定义文本框/// 1.只能输入数值, 限制输入两位小数/// 2.禁止粘贴/// </summary>public clas...

1userList.ForEach(a => { a.Country = "China"; a.Currency = "RMB"; a.Area = "Asia"; });

判断文件名称是否有效 12345var fileName = @"D:\Source\*Http:Server?.cs";if (fileName.IndexOfAny(System.IO.Path.GetInvalidFileNameChars()) != -1){ Console.WriteLine("File name is invalid...

C# 声明枚举对象1234567891011public enum EnumFileCategory{ [Description("goods_files/pdf")] Pdf, PdfImg, [Description("My/image")] MyImg, [Description("My/v...

C# 逐行读取 CSV 文件 123456789101112131415161718192021using Microsoft.Office.Interop.Excel;using Microsoft.VisualBasic.FileIO;public List<string> ReadFromCsv(){ var partList = new List<s...

123456789FileStream fs = new FileStream("文件路径", FileMode.Open);byte[] bytes = new byte[(int)fs.Length];fs.Read(bytes, 0, bytes.Length);fs.Close();Response.ContentType = "application/...

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