using System; using System.IO; using System.Collections; using System.ComponentModel; using System.Data; using System.Drawing; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.HtmlControls; using System.Data.SqlClient; namespace ASPNetPortal { public class EditDocs : System.Web.UI.Page { protected System.Web.UI.WebControls.TextBox NameField; protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1; protected System.Web.UI.WebControls.TextBox CategoryField; protected System.Web.UI.WebControls.TextBox PathField; protected System.Web.UI.WebControls.CheckBox Upload; protected System.Web.UI.WebControls.LinkButton updateButton; protected System.Web.UI.WebControls.LinkButton cancelButton; protected System.Web.UI.WebControls.LinkButton deleteButton; protected System.Web.UI.WebControls.Label CreatedBy; protected System.Web.UI.WebControls.Label CreatedDate; protected System.Web.UI.HtmlControls.HtmlInputFile FileUpload; protected System.Web.UI.WebControls.CheckBox storeInDatabase; int itemId = 0; int moduleId = 0; //**************************************************************** // // The Page_Load event on this Page is used to obtain the ModuleId // and ItemId of the document to edit. // // It then uses the ASPNetPortal.DocumentDB() data component // to populate the page's edit controls with the document details. // //**************************************************************** private void Page_Load(object sender, System.EventArgs e) { // Determine ModuleId of Announcements Portal Module moduleId = Int32.Parse(Request.Params["Mid"]); // Verify that the current user has access to edit this module if (PortalSecurity.HasEditPermissions(moduleId) == false) { Response.Redirect("~/Admin/EditAccessDenied.aspx"); } // Determine ItemId of Document to Update if (Request.Params["ItemId"] != null) { itemId = Int32.Parse(Request.Params["ItemId"]); } // If the page is being requested the first time, determine if an // document itemId value is specified, and if so populate page // contents with the document details if (Page.IsPostBack == false) { if (itemId != 0) { // Obtain a single row of document information ASPNetPortal.DocumentDB documents = new ASPNetPortal.DocumentDB(); SqlDataReader dr = documents.GetSingleDocument(itemId); // Load first row into Datareader dr.Read(); NameField.Text = (String) dr["FileFriendlyName"]; PathField.Text = (String) dr["FileNameUrl"]; CategoryField.Text = (String) dr["Category"]; CreatedBy.Text = (String) dr["CreatedByUser"]; CreatedDate.Text = ((DateTime) dr["CreatedDate"]).ToShortDateString(); dr.Close(); } // Store URL Referrer to return to portal ViewState["UrlReferrer"] = Request.UrlReferrer.ToString(); } } //**************************************************************** // // The UpdateBtn_Click event handler on this Page is used to either // create or update an document. It uses the ASPNetPortal.DocumentDB() // data component to encapsulate all data functionality. // //**************************************************************** private void UpdateBtn_Click(Object sender, EventArgs e) { // Only Update if Input Data is Valid if (Page.IsValid == true) { // Create an instance of the Document DB component ASPNetPortal.DocumentDB documents = new ASPNetPortal.DocumentDB(); // Determine whether a file was uploaded if ((storeInDatabase.Checked == true) && (FileUpload.PostedFile != null)) { // for web farm support int length = (int) FileUpload.PostedFile.InputStream.Length; String contentType = FileUpload.PostedFile.ContentType; byte[] content = new byte[length]; FileUpload.PostedFile.InputStream.Read(content, 0, length); // Update the document within the Documents table documents.UpdateDocument( moduleId, itemId, Context.User.Identity.Name, NameField.Text, PathField.Text, CategoryField.Text, content, length, contentType ); } else { if ((Upload.Checked == true) && (FileUpload.PostedFile != null)) { // Calculate virtualPath of the newly uploaded file String virtualPath = "~/uploads/" + Path.GetFileName(FileUpload.PostedFile.FileName); // Calculate physical path of the newly uploaded file String phyiscalPath = Server.MapPath(virtualPath); // Save file to uploads directory FileUpload.PostedFile.SaveAs(phyiscalPath); // Update PathFile with uploaded virtual file location PathField.Text = virtualPath; } documents.UpdateDocument( moduleId, itemId, Context.User.Identity.Name, NameField.Text, PathField.Text, CategoryField.Text, new byte[0], 0, "" ); } // Redirect back to the portal home page Response.Redirect((String) ViewState["UrlReferrer"]); } } //**************************************************************** // // The DeleteBtn_Click event handler on this Page is used to delete an // a document. It uses the ASPNetPortal.DocumentsDB() // data component to encapsulate all data functionality. // //**************************************************************** private void DeleteBtn_Click(Object sender, EventArgs e) { // Only attempt to delete the item if it is an existing item // (new items will have "ItemId" of 0) if (itemId != 0) { ASPNetPortal.DocumentDB documents = new ASPNetPortal.DocumentDB(); documents.DeleteDocument(itemId); } // Redirect back to the portal home page Response.Redirect((String) ViewState["UrlReferrer"]); } //**************************************************************** // // The CancelBtn_Click event handler on this Page is used to cancel // out of the page, and return the user back to the portal home // page. // //**************************************************************** private void CancelBtn_Click(Object sender, EventArgs e) { // Redirect back to the portal home page Response.Redirect((String) ViewState["UrlReferrer"]); } public EditDocs() { Page.Init += new System.EventHandler(Page_Init); } private void Page_Init(object sender, EventArgs e) { // // CODEGEN: This call is required by the ASP.NET Web Form Designer. // InitializeComponent(); } #region Web Form Designer generated code ////// Required method for Designer support - do not modify /// the contents of this method with the code editor. /// private void InitializeComponent() { this.updateButton.Click += new System.EventHandler(this.UpdateBtn_Click); this.cancelButton.Click += new System.EventHandler(this.CancelBtn_Click); this.deleteButton.Click += new System.EventHandler(this.DeleteBtn_Click); this.Load += new System.EventHandler(this.Page_Load); } #endregion } }