/// <summary> /// Handles events that occur when an edit operation is requested, but before the Update Questions ListView item is put in edit mode. /// </summary> /// <param name="sender">Contains a reference to the control/object that raised the event.</param> /// <param name="e">Provides data for the ItemEditing event, which occurs when an edit operation is requested but before the ListView item is put in edit mode.</param> protected void UpdateQuestionsListView_ItemEditing(object sender, ListViewEditEventArgs e) { //hide message user control MessageUserControl.Visible = false; //hide datapager DataPager pager = UpdateQuestionsListView.FindControl("ActiveDataPager") as DataPager; pager.Visible = false; }
/// <summary> /// Handles events that occur when a button in the Questions list view is clicked. /// </summary> /// <param name="sender">Contains a reference to the control/object that raised the event.</param> /// <param name="e">Provides data for the ItemCommand event, which occurs when a button in a ListView is clicked.</param> protected void UpdateQuestionsListView_ItemCommand(object sender, ListViewCommandEventArgs e) { //hide message user control MessageUserControl.Visible = false; //If the Edit button is clicked, show informational message if (e.CommandName.Equals("Edit")) { MessageUserControl.Visible = true; MessageUserControl.ShowInfo("Edit Mode Active", "The question text in the selected row can now be edited."); } //If the Change button is clicked, do the following actions: else if (e.CommandName.Equals("Change")) { int i = e.Item.DisplayIndex; //Capture and store the question text on the selected index TextBox questionTextBox = UpdateQuestionsListView.Items[i].FindControl("questionTextTextBox") as TextBox; string questionText = questionTextBox.Text; //handle null values and white-space-only values if (string.IsNullOrEmpty(questionText) || string.IsNullOrWhiteSpace(questionText)) { //show error message MessageUserControl.Visible = true; MessageUserControl.ShowInfoError("Processing Error", "Question is required."); //highlight the question textbox that handled the error questionTextBox.Focus(); } //if user-entered value is not null or just a white space, do the the following actions: else { //find the question Id repeater that stores the question Ids associated with the edited question text Repeater questionIdRepeater = UpdateQuestionsListView.Items[i].FindControl("QuestionIdListRepeater") as Repeater; //loop through the question Id repeater foreach (RepeaterItem item in questionIdRepeater.Items) { //capture the question Id int questionId = int.Parse(((Label)item.FindControl("questionIdLabel")).Text); MessageUserControl.TryRun(() => { //check if user entered invalid values Utility utility = new Utility(); utility.checkValidString(questionText); //Update the selected question(s) QuestionController sysmgr = new QuestionController(); sysmgr.Question_Update(questionText, questionId); //turn off edit mode and refresh the listview UpdateQuestionsListView.EditIndex = -1; UpdateQuestionsListView.DataBind(); }, "Success", "Question has been updated."); } //show success/error message captured by message user control's try run method MessageUserControl.Visible = true; //reset update subquestions tab QuestionsWithSubQuestionsDropDownList.Items.Clear(); QuestionsWithSubQuestionsDropDownList.Items.Add(new ListItem("Select a question...", "0")); QuestionsWithSubQuestionsDropDownList.DataBind(); QuestionsWithSubQuestionsDropDownList.Enabled = true; FetchSubQuestionsButton.Enabled = true; //reset update answers tab QuestionsWithAnswersDropDownList.Items.Clear(); QuestionsWithAnswersDropDownList.Items.Add(new ListItem("Select a question...", "0")); QuestionsWithAnswersDropDownList.DataBind(); QuestionsWithAnswersDropDownList.Enabled = true; FetchAnswersButton.Enabled = true; //show datapager DataPager pager = UpdateQuestionsListView.FindControl("ActiveDataPager") as DataPager; pager.Visible = true; } } //If the Cancel button is clicked, show informational message else if (e.CommandName.Equals("Cancel")) { MessageUserControl.Visible = true; MessageUserControl.ShowInfo("Update Cancelled", "No changes to the selected question were saved."); //show datapager DataPager pager = UpdateQuestionsListView.FindControl("ActiveDataPager") as DataPager; pager.Visible = true; } }