public void ProcessRequest(HttpContext context) { pictureTableAdapter pictureAdapter = new pictureTableAdapter(); DataTable dtPictures = new DataTable(); dtPictures = pictureAdapter.GetImageByID(int.Parse(context.Request.QueryString["imgid"])); context.Response.ContentType = dtPictures.Rows[0]["contentType"].ToString(); context.Response.BinaryWrite((byte[])(dtPictures.Rows[0]["image"])); }
protected void Page_Load(object sender, EventArgs e) { Guid currentUserID = Guid.Parse(System.Web.Security.Membership.GetUser().ProviderUserKey.ToString()); int whiskyID = int.Parse(Request.QueryString["id"]); freundeTableAdapter freundeTable = new freundeTableAdapter(); pictureTableAdapter pictureTable = new pictureTableAdapter(); DataTable uploadedImages = pictureTable.GetImageByUserAndWhisky(currentUserID,int.Parse(Request.QueryString["id"])); if (uploadedImages.Rows.Count > 0) panUpload.Visible = false; DataTable freePictures = new DataTable(); DataTable freunde = freundeTable.GetFriendsByUserID(currentUserID); DataTable allPictures = pictureTable.GetImagesByWhisky(whiskyID); if (freunde.Rows.Count == 0 || allPictures.Rows.Count == 0) return; // Die veroeffentlichten Bilder der freunde herraussuchen bzw. mit freigabe fuer alle User foreach (DataRow picture in allPictures.Rows) { foreach (DataRow friend in freunde.Rows) { if ( picture["userID"] == friend["freundID"] && ( (int.Parse(picture["allowFriends"].ToString()) == 1 ) || (int.Parse(picture["allowAll"].ToString()) == 1) ) ) freePictures.Rows.Add(picture); } } //Falls noch Bilder anzuzeigen sind... if (freePictures.Rows.Count == 0) { Label noSee = new Label(); noSee.Text = "Hier gibt es nichts zu sehen!"; panImages.Controls.Add(noSee); return; } //Image-Buttons erstellen foreach (DataRow picture in freePictures.Rows) { Panel imgPanel = new Panel(); imgPanel.CssClass = "imgpanel"; ImageButton imgBtnControl = new ImageButton(); imgBtnControl.CssClass = "select"; imgBtnControl.ImageUrl = "ImageHandler.ashx?imgid=" + picture["id"]; imgBtnControl.ImageAlign = ImageAlign.Middle; imgBtnControl.ID = picture["id"].ToString(); imgBtnControl.Click += new ImageClickEventHandler(selectImage_Click); imgPanel.Controls.Add(imgBtnControl); panImages.Controls.Add(imgPanel); } }
protected void btnUploadImage_Click(object sender, EventArgs e) { pictureTableAdapter pictureTable = new pictureTableAdapter(); userwhiskyTableAdapter userwhiskyTable = new userwhiskyTableAdapter(); Guid currentUserID = Guid.Parse(System.Web.Security.Membership.GetUser().ProviderUserKey.ToString()); if (fuImageUpload.PostedFile != null && fuImageUpload.FileName != "") { HttpPostedFile imageFile = fuImageUpload.PostedFile; byte[] imageData = new byte[imageFile.ContentLength]; imageFile.InputStream.Read(imageData, 0, imageFile.ContentLength); pictureTable.Insert( currentUserID, int.Parse(this.Request.QueryString["id"]), radioFriendsOnly.Checked, radioAllowAll.Checked, imageData, imageFile.ContentType); DataTable pictures = pictureTable.GetImageByUserAndWhisky(currentUserID, int.Parse(this.Request.QueryString["id"])); userwhiskyTable.UpdatePicture(int.Parse(pictures.Rows[0]["id"].ToString()),currentUserID,int.Parse(this.Request.QueryString["id"])); } }
protected void Page_Load(object sender, EventArgs e) { if (!String.IsNullOrEmpty(Request.QueryString["action"]) && Request.QueryString["action"].Equals("new")) fvWhisky.ChangeMode(FormViewMode.Insert); if (fvWhisky.CurrentMode == FormViewMode.ReadOnly) { imgWhisky.Visible = false; if (!Request.IsAuthenticated) { fvWhisky.FindControl("imgBtnEdit").Visible = false; fvWhisky.FindControl("imgBtnDelete").Visible = false; fvWhisky.FindControl("imgBtnNew").Visible = false; fvWhisky.FindControl("imgBtnImages").Visible = false; fvWhisky.FindControl("imgBtnAddTasting").Visible = false; return; } if (!System.Web.Security.Roles.IsUserInRole("Administratoren")) { fvWhisky.FindControl("imgBtnEdit").Visible = false; fvWhisky.FindControl("imgBtnDelete").Visible = false; fvWhisky.FindControl("rowAktiv").Visible = false; } Guid currentUserID = Guid.Parse(System.Web.Security.Membership.GetUser().ProviderUserKey.ToString()); pictureTableAdapter pictureTable = new pictureTableAdapter(); DataTable pictures = pictureTable.GetImageForWhisky(currentUserID, int.Parse(Request.QueryString["id"])); if (pictures.Rows.Count > 0) { imgWhisky.ImageUrl = "ImageHandler.ashx?imgid=" + pictures.Rows[0]["id"]; imgWhisky.Visible = true; } } }