object reference not set to an instance of an object--
请帮我解决这个错误。我的语法有错误吗?
string filename = Path.GetFileName(FileUpload1.PostedFile.FileName);
FileUpload1.SaveAs(Server.MapPath("~/Uploads/") + filename);
我在第一行有问题
object reference not set to an instance of an object--
请帮我解决这个错误。我的语法有错误吗?
string filename = Path.GetFileName(FileUpload1.PostedFile.FileName);
FileUpload1.SaveAs(Server.MapPath("~/Uploads/") + filename);
我在第一行有问题
好吧,您没有提到任何语言和平台。但似乎你正在使用 asp.net 这里是 VB 代码来帮助你。
Sub SubmitButton_Click(Source As Object, e As EventArgs)
If Not (File1.PostedFile Is Nothing) Then
Try
File1.PostedFile.SaveAs("C:\Uploads\uploadedfile.txt")
Span1.InnerHtml = "Upload Successful!"
Catch ex As Exception
ex.ToString()
End Try
End If
End Sub