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'>&nbsp;&nbsp;<input type=button value='删除' onclick='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 + RandomName);
                    Request.Files[i].SaveAs(filepath);
                    ArticleDataAccess.Article_ArticleAccessoriesAdd(TrueName, RandomName);
                }
            }
        }