| 标题 | asp.net上传execl文件后,在页面上加载显示 |
| 范文 | 本篇文章主要是对asp.net上传execl文件后,在页面上加载显示(示例代码)进行了介绍，需要的朋友可以过来参考下，希望对大家有所帮助 代码如下: #region 上传Execl文件 protected void Button1_Click(object sender, EventArgs e) { if (FileUpload1.HasFile) { string NewFileName = string.Empty; string ErrorMess = UpLoadFile(FileUpload1, ".xls|.xlsx", 1024 * 5, Server.MapPath("/Report/SocialApply/"), 1, out NewFileName); if (string.IsNullOrEmpty(ErrorMess)) { Label1.Text = "√文件上传成功"; ViewState["UpLoadFile"] = "/Report/SocialApply/" + NewFileName; try { FileStream file = new FileStream (Server.MapPath(ViewState["UpLoadFile"] as string), FileMode.Open, FileAccess.Read, FileShare.ReadWrite); DataTable dt1 = FairHR.Util.XmlExcelReport.ReadExcelToDataTable(file, 0, 0); ViewState.Add("ViewDT", dt1); GridView1.DataSource = ViewState["ViewDT"] as DataTable; GridView1.DataBind(); file.Close(); //Maticsoft.Common.MessageBox.ResponseScript(Page, "$.messager.alert('系统提示', '操作成功！', 'info');"); } catch { Maticsoft.Common.MessageBox.ResponseScript(Page, "$.messager.alert('系统提示', '请重新上传Execl文件再操作', 'warning');"); } } else { Label1.Text = "×文件上传失败"; } } else { Label1.Text = "×请先选择上传文件"; } ScriptManager.RegisterClientScriptBlock(Page, this.GetType(), "idAlert1", "closeLoad();", true); } #endregion #region 上传文件 /// <summary> /// 上传文件 /// </summary> /// <param name="fu">上传文件</param> /// <param name="type">上传文件类型,例如.jpg|.gif|.bmp</param> /// <param name="size">限制上传文件大小，单位为k</param> /// <param name="path">上传路径，需使用server.mappath</param> /// <param name="nametype">1为自动命名,0用原名</param> /// <returns></returns> public static string UpLoadFile(FileUpload fu, string type, int size, string path, int nametype, out string newFileName) { newFileName = null; string erorr = null; int Size = fu.PostedFile.ContentLength / 1024; if (Size > size) { erorr = "上传文件太大！"; return erorr; } string Type = fu.FileName; if (Type.IndexOf(".") == -1) { erorr = "上传文件类型有误！"; return erorr; } Type = Type.Substring(Type.LastIndexOf(".")).ToUpper(); type = type.ToUpper(); if (type.IndexOf(Type) == -1) { erorr = "上传文件类型有误！"; return erorr; } string filename = ""; if (nametype == 1) { string nowdate = DateTime.Now.ToString(); nowdate = nowdate.Replace(":", "").Replace(" ", "").Replace("-", "").Trim(); Random r = new Random(); int a = r.Next(1000); filename = nowdate + a.ToString() + Type; newFileName = filename; } else { filename = fu.FileName; if (System.IO.File.Exists(path + filename)) { erorr = "此文件名已经存在！"; return erorr; } } fu.SaveAs(path + filename); return erorr;//返回有错的错误信息，没有错误返回null } #endregion |
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