/// <summary> /// /// </summary> /// <param name="userFile"></param> /// <param name="isThumb"></param> private void WriteFile(UploadedFile userFile, bool isThumb) { // Verify Files Exists string fullFilePath = FileLoaderUtil.GetFileOnDisk(userFile, isThumb); if (System.IO.File.Exists(fullFilePath)) { // Write File Response.WriteFile(fullFilePath); // Set Header string contentType = userFile[UploadedFile.FileType].ToString(); Response.ContentType = contentType; } }
/// <summary> /// Displays thumbnail if one exists and property set to true, otherwise display file Label. Default to display generic "Upload File" image /// </summary> /// <param name="tableName"></param> /// <param name="tablePrimaryKey"></param> private void DisplayLink(string tableName, string tablePrimaryKey) { string _savePath = System.Configuration.ConfigurationSettings.AppSettings["FileUploadLocation"].ToString() + this.PrimaryKeyTable; _savePath = Page.ResolveUrl(_savePath); // Cheeck to see if files are uploaded for this record FilesDa da = new FilesDa(); DataSet ds = da.GetRecordsByTableAndTablePK(this.PrimaryKeyTable, int.Parse(tablePrimaryKey)); // If files are uploaded, show thumb for default if (ds.Tables[0].Rows.Count > 0) { string fileId = ds.Tables[0].Rows[0][UploadedFile.FileId].ToString(); string fileExtension = ds.Tables[0].Rows[0][UploadedFile.FileExtension].ToString(); string fileLabel = ds.Tables[0].Rows[0][UploadedFile.FileLabel].ToString(); bool isFileAnImage = FileLoaderUtil.IsImage(fileExtension); // show thumbnail of image if (_showThumbNail == true && isFileAnImage) { linkText.Visible = false; linkImage.Visible = true; UploadedFile biz = new UploadedFile(); biz.Get(int.Parse(fileId)); linkImage.ImageUrl = "DocumentLoader.aspx?fileId=" + Security.CustomCryptoHelper.Encrypt(fileId) + "&thumb=true"; linkImage.Attributes.Add("style", "border: solid 1px #cccccc; cursor: pointer;"); linkImage.ToolTip = "Click to view or edit this image."; } // show file label as link else if (!string.IsNullOrEmpty(fileLabel)) { //link.InnerHtml = "View " + fileLabel; linkText.Text = "View " + fileLabel; linkText.Visible = true; linkImage.Visible = false; link.Attributes.Add("style", "cursor: pointer;"); } // default to showing generic view file image else { linkText.Visible = false; linkImage.Visible = true; linkImage.ImageUrl = "~/Images/ViewFile.gif"; } } else if (!string.IsNullOrEmpty(_linkName)) { //link.InnerHtml = _linkName; linkText.Text = _linkName; linkText.Visible = true; linkImage.Visible = false; } else { linkText.Visible = false; linkImage.Visible = true; linkImage.ImageUrl = "~/Images/UploadFile.gif"; } // Register's function for setting thumb image on plugin Page.ClientScript.RegisterStartupScript(this.GetType(), "ImageReloader", "function setThumb(newSrc) { var pluginTmb = document.getElementById('" + linkImage.ClientID + "'); if(pluginTmb) { pluginTmb.src = newSrc; } }", true); }