记一次查询超时的解决方案The timeout period elapsed...... https://www.cnblogs.com/wyt007/p/9274613.html Exception has been thrown by the target of an invocation Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not…

最近遇到一个问题,打开VS2013和SQL Server2014都会出报错,错误信息如下: 以前都是好好的,重启了机子也不行,能打开两个VS,再打开第三个VS还是会报错,百度无果,还是在google上找到解决方法,在此记录. 原因是我最近装了mysql,环境变量里的字符数有2181个,字符过长,删掉了不用的不重要的环境变量,字符数降到1849个(字符数在2048个以内即可),打开VS2013和SQL Server,一切正常. mysql相关环境变量,确实过于冗长... C:\Program Fi…

I'd suggest checking for an inner exception. If there isn't one, check your logs for the exception that occurred immediately prior to this one. This isn't a web-specific exception, I've also encountered it in desktop-app development. In short, what's…

今天搭建微信扫码支付环境的时候,一样的配置参数,调用连接提示错误 错误:调用的目标发生了异常 然后跟踪到执行 MD5 md5 = System.Security.Cryptography.MD5.Create(); 代码报错,使用度娘搜索无果.后面从谷歌搜索英文错误得以解决 解决办法: add the following configuration to your application configuration file and see if it works fine for you. 加…

最近因为要做一个启动器,在使用WPF做UI的时候,发现有错误如下: 错误 1 未知的生成错误"此实现不是 Windows 平台 FIPS 验证的加密算法的一部分. 行 8 位置 3." c:\users\tinayh\documents\visual studio 2013\Projects\WpfApplication1\WpfApplication1\App.xaml 8 3 WpfApplication1 百思不得其解啊,于是在网上solo,找到了解决方法: 1.在window中…

Sometimes when you open a VS2010 project, an error window will pop up with the error message "Exceptions has been thrown by the target of an invocation" which is weird. The easy way to solve this and get your project started normally is: 1) Open…

Unreachable catch block for IOException. This exception is never thrown from the try statement body 不可到达的 catch 块异常.try 中的语句,永远不会引发此异常 2 quick fixes available 2 快速修复可用 点击其中一个,可以解决这个问题.…

一服务器上的数据库全部被置于紧急模式(EMERGENCY),在错误日志里面能看到大量下面的错误 Failed to create AppDomain "YourSQLDba.dbo[runtime].79". Exception has been thrown by the target of an invocation. Failed to create AppDomain "YourSQLDba.dbo[runtime].76". Exception has b…

[15/08/19 00:03:10] [DataManager-7292-ERROR] System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.TypeInitializationException: The type initializer for 'System.Data.Entity.Internal.AppConf…

服务器:Windows Server2003 sp2服务器 客户端:XP SP3 内容:C#Winform客户端调用服务器的Excel模板生成报表的时候,生成失败,抛出的异常如下: TargetInvocationException{ Source    : mscorlib Message   : Exception has been thrown by the target of an invocation. Data      : ListDictionaryInternal{} Help…