上传附件时获取位置的完整路径

Question

桌面上的附件位置：Nitesh.Gupta_ClientEn_2018510132928_C:\Users\Admin\Desktop\hotel.pdf上传使用<asp:TextBox ID="txtRemarks" runat="server" TextMode="MultiLine" CssClass="txt-area"></asp:TextBox>string filename = txtReceipt.PostedFile.FileName;filename = txtCurrentUser.Text + "_ClientEn_" + DateTime.Now.Year +             DateTime.Now.Month + DateTime.Now.Day + DateTime.Now.Hour +            DateTime.Now.Minute + DateTime.Now.Second + "_" + filename;