问题描述
的SaveAs方法被配置为需要一个根路径，和该路径'〜\\图像\\ 594083964.jpg'没有根。
说明：执行当前Web请求的执行过程中发生未处理的异常。请检查堆栈跟踪有关该错误的详细信息以及它起源于code。
The SaveAs method is configured to require a rooted path, and the path '~\images\594083964.jpg' is not rooted.Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
异常详细信息：
System.Web.HttpException：该SaveAs方法被配置为需要一个根路径，和该路径'〜\\图像\\ 594083964.jpg'未根
源错误：
Line 27: {
Line 28:
Line 29: fu1.SaveAs(@"~\\images\\" + i + fu1.FileName.Substring(fu1.FileName.Length - 4, 4));
Line 30: path = "~\\images\\"+i + fu1.FileName.Substring(fu1.FileName.Length-4,4);
Line 31: }
源文件：E：\\其他人\\拉维\\新数据\\的WebSite1 \\ signup.aspx.cs行：29
Source File: e:\PEOPLE\Ravi\new data\WebSite1\signup.aspx.cs Line: 29
推荐答案
您要保存到该路径是相对URL。您需要保存到本地文件路径（或完整网络路径）。
The path you are saving to is a relative URL. You need to save to a local file path (or full network path).
尝试：
string relativePath = @"~\images\"+ i + Path.GetExtension(fu1.FileName);
fu1.SaveAs(Server.MapPath(relativePath));
（Path.GetExtension（字符串）将处理不属于3个字符过的文件扩展名）
(Path.GetExtension(string) will handle file extensions that aren't 3 characters too)
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