jinyuttt

摘要：遇到了这个问题，发帖后网友给予了解答，好像是注册表的问题。处理方法留在这里工参考。建立文本文件，修改名称为xx.reg写入内容为：Windows Registry Editor Version 5.00[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSBuild][HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSBuild\3.5]"DefaultToolsVersion"="2.0"[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSBuild\ToolsVe 阅读全文

摘要：protected void Page_Load(object sender, EventArgs e) { CreateCheckCodeImage(GenerateCheckCode()); } private string GenerateCheckCode() { int num; char code; string checkcode = string.Empty; Random rand = new Random(); for (int i = 0; i < 4; i++) { num = rand.Next(); if(num%2==0) code=(char)(' 阅读全文