最简单的上传图片代码

.aspx <form id="form1" runat="server"> <div> <asp:FileUpload ID="f1" runat="server" /> <asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Button" /> </div> </form> .
.aspx.cs protected void Button1_Click(object sender, EventArgs e) { if (f1.FileName != "") { string file = f1.FileName; //得到文件名 f1.PostedFile.SaveAs(Server.MapPath("upfile/" + file)); //上传图片 Response.Write("<img src="upfile/" mce_src="upfile"" + file + " />");//输出图片 } }