动态添加、删除附件

    技术2022-05-11  66

    动态添加、删除附件

    js代码://attAchments是一个table的ID<script language="javascript">function AddAttachments(){

     document.getElementById('attach').innerText = "继续添加附件"; tb = document.getElementById('attAchments');    newRow = tb.insertRow(); newRow.insertCell().innerHTML = "<input name='File' size='50' type='file'>  <input type=button value='删除' οnclick='delFile(this.parentElement.parentElement.rowIndex)'>";}function delFile(index){ document.getElementById('attAchments').deleteRow(index); tb.rows.length > 0?document.getElementById('attach').innerText = "继续添加附件":document.getElementById('attach').innerText = "继续添加附件";} </script>页面:<form id="form1" runat="server" enctype="multipart/form-data">C#方法//        public void UploadFile(HttpRequest Request, System.Web.UI.Page ThisPage)        {            for (int i = 0; i < Request.Files.Count; i++)            {                if (Request.Files[i].FileName != "")//Add images to WorkGuideFile file                {                    string RandomString = Convert.ToString(Guid.NewGuid());                    string TrueName = Path.GetFileName(Request.Files[i].FileName);                    int j = TrueName.LastIndexOf(".");                    string ExtendName = TrueName.Substring(j);                    string RandomName = RandomString + ExtendName;                    string filepath = ThisPage.Server.MapPath("~/DownloadFiles/article/" + RandomName);                    Request.Files[i].SaveAs(filepath);                    ArticleDataAccess.Article_ArticleAccessoriesAdd(TrueName, RandomName);                }            }        }

     

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