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如果环境为Windows Server 2003 服务器。出现错误信息如下：Server Application Unavailable The web application you are attempting to access on this web server is currently unavailable. Please hit the "Refresh" button in your web browser to retry your request. Administrator Note: An error message detailing the c 阅读全文
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本文转载http://blog.csdn.net/xushen8314/article/details/2115513环境为Windows Server 2003 IIS6.0系统。 Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately. Compiler Er. 阅读全文
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一. string 类型的用法比较像值类型稍微有点.NET 编程知识的人都知道 string是引用类型。我为什么还有此一问？因为string的使用非常像值类型。举个例子：string str = "abc"; Test(str); MessageBox.Show(str);private void Test(string str) { str = str + "de"; }运行上面的代码你会发现 str始终是abc，这就有点像值类型。因为值类型传递的是具体的值，所以传入的参数是形参，函数内部修改形参，不影响外部的变量。引用类型可不是这样，传递的是引用不是 阅读全文