using System; 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 EditEvents : System.Web.UI.Page { protected System.Web.UI.WebControls.TextBox TitleField; protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1; protected System.Web.UI.WebControls.TextBox DescriptionField; protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator2; protected System.Web.UI.WebControls.TextBox WhereWhenField; protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator3; protected System.Web.UI.WebControls.TextBox ExpireField; protected System.Web.UI.WebControls.RequiredFieldValidator RequiredExpireDate; protected System.Web.UI.WebControls.CompareValidator VerifyExpireDate; 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; int itemId = 0; int moduleId = 0; //**************************************************************** // // The Page_Load event on this Page is used to obtain the ModuleId // and ItemId of the event to edit. // // It then uses the ASPNetPortal.EventsDB() data component // to populate the page's edit controls with the event details. // //**************************************************************** private void Page_Load(object sender, System.EventArgs e) { // Determine ModuleId of Events 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 Events 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 // event itemId value is specified, and if so populate page // contents with the event details if (Page.IsPostBack == false) { if (itemId != 0) { // Obtain a single row of event information ASPNetPortal.EventsDB events = new ASPNetPortal.EventsDB(); SqlDataReader dr = events.GetSingleEvent(itemId); // Read first row from database dr.Read(); TitleField.Text = (String) dr["Title"]; DescriptionField.Text = (String) dr["Description"]; ExpireField.Text = ((DateTime) dr["ExpireDate"]).ToShortDateString(); CreatedBy.Text = (String) dr["CreatedByUser"]; WhereWhenField.Text = (String) dr["WhereWhen"]; 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 event. It uses the ASPNetPortal.EventsDB() // data component to encapsulate all data functionality. // //**************************************************************** private void UpdateBtn_Click(Object sender, EventArgs e) { // Only Update if the Entered Data is Valid if (Page.IsValid == true) { // Create an instance of the Event DB component ASPNetPortal.EventsDB events = new ASPNetPortal.EventsDB(); if (itemId == 0) { // Add the event within the Events table events.AddEvent( moduleId, itemId, Context.User.Identity.Name, TitleField.Text, DateTime.Parse(ExpireField.Text), DescriptionField.Text, WhereWhenField.Text ); } else { // Update the event within the Events table events.UpdateEvent( moduleId, itemId, Context.User.Identity.Name, TitleField.Text, DateTime.Parse(ExpireField.Text), DescriptionField.Text, WhereWhenField.Text ); } // 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 // an event. It uses the ASPNetPortal.EventsDB() 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.EventsDB events = new ASPNetPortal.EventsDB(); events.DeleteEvent(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. // //**************************************************************** void CancelBtn_Click(Object sender, EventArgs e) { // Redirect back to the portal home page Response.Redirect((String) ViewState["UrlReferrer"]); } public EditEvents() { 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 } }