C# RockDropDownList.DataBind方法代码示例

        /// <summary>
        /// Creates the HTML controls required to configure this type of field
        /// </summary>
        /// <returns></returns>
        public override List<Control> ConfigurationControls()
        {
            var controls = base.ConfigurationControls();

            var tbValuePrompt = new RockTextBox();
            controls.Add( tbValuePrompt );
            tbValuePrompt.AutoPostBack = true;
            tbValuePrompt.TextChanged += OnQualifierUpdated;
            tbValuePrompt.Label = "Label Prompt";
            tbValuePrompt.Help = "The text to display as a prompt in the label textbox.";

            var ddl = new RockDropDownList();
            controls.Add( ddl );
            ddl.AutoPostBack = true;
            ddl.SelectedIndexChanged += OnQualifierUpdated;
            ddl.DataTextField = "Name";
            ddl.DataValueField = "Id";
            ddl.DataSource = new Rock.Model.DefinedTypeService( new RockContext() ).Queryable().OrderBy( d => d.Order ).ToList();
            ddl.DataBind();
            ddl.Items.Insert(0, new ListItem(string.Empty, string.Empty));
            ddl.Label = "Defined Type";
            ddl.Help = "Optional Defined Type to select values from, otherwise values will be free-form text fields.";

            var tbCustomValues = new RockTextBox();
            controls.Add( tbCustomValues );
            tbCustomValues.TextMode = TextBoxMode.MultiLine;
            tbCustomValues.Rows = 3;
            tbCustomValues.AutoPostBack = true;
            tbCustomValues.TextChanged += OnQualifierUpdated;
            tbCustomValues.Label = "Custom Values";
            tbCustomValues.Help = "Optional list of options to use for the values.  Format is either 'value1,value2,value3,...', or 'value1:text1,value2:text2,value3:text3,...'.";

            return controls;
        }

        /// <summary>
        /// Creates the HTML controls required to configure this type of field
        /// </summary>
        /// <returns></returns>
        public override List<Control> ConfigurationControls()
        {
            var controls = base.ConfigurationControls();

            var ddl = new RockDropDownList();
            controls.Add( ddl );
            ddl.AutoPostBack = true;
            ddl.SelectedIndexChanged += OnQualifierUpdated;
            ddl.DataTextField = "Name";
            ddl.DataValueField = "Id";
            ddl.DataSource = new Rock.Model.DefinedTypeService().Queryable().OrderBy( d => d.Order ).ToList();
            ddl.DataBind();
            ddl.Items.Insert(0, new ListItem(string.Empty, string.Empty));
            ddl.Label = "Defined Type";
            ddl.Help = "Optional Defined Type to select values from, otherwise values will be free-form text fields.";
            return controls;
        }

        /// <summary>
        /// Called by the ASP.NET page framework to notify server controls that use composition-based implementation to create any child controls they contain in preparation for posting back or rendering.
        /// </summary>
        protected override void CreateChildControls()
        {
            Controls.Clear();

            _hfFormGuid = new HiddenField();
            _hfFormGuid.ID = this.ID + "_hfFormGuid";
            Controls.Add( _hfFormGuid );

            _ddlNotificationSystemEmail = new RockDropDownList();
            _ddlNotificationSystemEmail.DataValueField = "Id";
            _ddlNotificationSystemEmail.DataTextField = "Title";
            _ddlNotificationSystemEmail.Label = "Notification Email";
            _ddlNotificationSystemEmail.Help = "An optional system email that should be sent to the person or people assigned to this activity (Any System Email with a category of 'Workflow').";
            _ddlNotificationSystemEmail.ID = this.ID + "_ddlNotificationSystemEmail";
            Controls.Add( _ddlNotificationSystemEmail );

            _ddlNotificationSystemEmail.DataSource = new SystemEmailService( new RockContext() ).Queryable()
                .Where( e => e.Category == "Workflow" ).OrderBy( e => e.Title ).ToList();
            _ddlNotificationSystemEmail.DataBind();
            _ddlNotificationSystemEmail.Items.Insert( 0, new ListItem( "None", "0" ) );

            _cbIncludeActions = new RockCheckBox();
            _cbIncludeActions.Label = "Include Actions in Email";
            _cbIncludeActions.Text = "Yes";
            _cbIncludeActions.Help = "Should the email include the option for recipient to select an action directly from within the email? Note: This only applies if none of the the form fields are required.";
            _cbIncludeActions.ID = this.ID + "_cbIncludeActions";
            Controls.Add( _cbIncludeActions );

            _ceHeaderText = new CodeEditor();
            _ceHeaderText.Label = "Form Header";
            _ceHeaderText.Help = "Text to display to user above the form fields. <span class='tip tip-liquid'></span> <span class='tip tip-html'>";
            _ceHeaderText.ID = this.ID + "_tbHeaderText";
            _ceHeaderText.EditorMode = CodeEditorMode.Html;
            _ceHeaderText.EditorTheme = CodeEditorTheme.Rock;
            _ceHeaderText.EditorHeight = "200";
            Controls.Add( _ceHeaderText );

            _ceFooterText = new CodeEditor();
            _ceFooterText.Label = "Form Footer";
            _ceFooterText.Help = "Text to display to user below the form fields. <span class='tip tip-liquid'></span> <span class='tip tip-html'>";
            _ceFooterText.ID = this.ID + "_tbFooterText";
            _ceFooterText.EditorMode = CodeEditorMode.Html;
            _ceFooterText.EditorTheme = CodeEditorTheme.Rock;
            _ceFooterText.EditorHeight = "200";
            Controls.Add( _ceFooterText );

            _falActions = new WorkflowFormActionList();
            _falActions.ID = this.ID + "_falActions";
            Controls.Add( _falActions );

            _ddlActionAttribute = new RockDropDownList();
            _ddlActionAttribute.ID = this.ID + "_ddlActionAttribute";
            _ddlActionAttribute.Label = "Command Selected Attribute";
            _ddlActionAttribute.Help = "Optional text attribute that should be updated with the selected command label.";
            Controls.Add( _ddlActionAttribute );
        }

        /// <summary>
        /// Called by the ASP.NET page framework to notify server controls that use composition-based implementation to create any child controls they contain in preparation for posting back or rendering.
        /// </summary>
        protected override void CreateChildControls()
        {
            if ( !_controlsLoaded )
            {
                Controls.Clear();

                _hfExistingKeyNames = new HtmlInputHidden();
                _hfExistingKeyNames.AddCssClass( "js-existing-key-names" );
                _hfExistingKeyNames.ID = this.ID + "_hfExistingKeyNames";
                Controls.Add( _hfExistingKeyNames );

                _lAttributeActionTitle = new Literal();
                _lAttributeActionTitle.ID = "lAttributeActionTitle";
                Controls.Add( _lAttributeActionTitle );

                _validationSummary = new ValidationSummary();
                _validationSummary.ID = "valiationSummary";
                _validationSummary.CssClass = "alert alert-danger";
                _validationSummary.HeaderText = "Please Correct the Following";
                Controls.Add( _validationSummary );

                _tbName = new RockTextBox();
                _tbName.ID = "tbName";
                _tbName.Label = "Name";
                _tbName.Required = true;
                Controls.Add( _tbName );

                _tbDescription = new RockTextBox();
                _tbDescription.Label = "Description";
                _tbDescription.ID = "tbDescription";
                _tbDescription.TextMode = TextBoxMode.MultiLine;
                _tbDescription.Rows = 3;
                Controls.Add( _tbDescription );

                _cpCategories = new CategoryPicker();
                _cpCategories.ID = "cpCategories_" + this.ID.ToString();
                _cpCategories.Label = "Categories";
                _cpCategories.AllowMultiSelect = true;
                _cpCategories.EntityTypeId = EntityTypeCache.Read( typeof( Rock.Model.Attribute ) ).Id;
                _cpCategories.EntityTypeQualifierColumn = "EntityTypeId";
                Controls.Add( _cpCategories );

                _tbKey = new RockTextBox();
                _tbKey.ID = "tbKey";
                _tbKey.Label = "Key";
                _tbKey.Required = true;
                Controls.Add( _tbKey );

                _cvKey = new CustomValidator();
                _cvKey.ID = "cvKey";
                _cvKey.ControlToValidate = _tbKey.ID;
                _cvKey.ClientValidationFunction = "validateKey";
                _cvKey.ServerValidate += cvKey_ServerValidate;
                _cvKey.Display = ValidatorDisplay.Dynamic;
                _cvKey.CssClass = "validation-error help-inline";
                _cvKey.ErrorMessage = "There is already an existing property with the key value you entered.  Please select a different key value.";
                Controls.Add( _cvKey );

                _tbIconCssClass = new RockTextBox();
                _tbIconCssClass.ID = "_tbIconCssClass";
                _tbIconCssClass.Label = "Icon CSS Class";
                Controls.Add( _tbIconCssClass );

                _cbRequired = new RockCheckBox();
                _cbRequired.ID ="cbRequired";
                _cbRequired.Label = "Required";
                _cbRequired.Text = "Require a value";
                Controls.Add( _cbRequired );

                _cbShowInGrid = new RockCheckBox();
                _cbShowInGrid.ID = "cbShowInGrid";
                _cbShowInGrid.Label = "Show in Grid";
                _cbShowInGrid.Text = "Yes";
                _cbShowInGrid.Help = "If selected, this attribute will be included in a grid.";
                Controls.Add( _cbShowInGrid );

                _ddlFieldType = new RockDropDownList();
                _ddlFieldType.ID = "ddlFieldType";
                _ddlFieldType.Label = "Field Type";
                _ddlFieldType.AutoPostBack = true;
                _ddlFieldType.SelectedIndexChanged += _ddlFieldType_SelectedIndexChanged;
                Controls.Add( _ddlFieldType );

                if ( !Page.IsPostBack )
                {
                    _ddlFieldType.DataValueField = "Id";
                    _ddlFieldType.DataTextField = "Name";
                    _ddlFieldType.DataSource = FieldTypeCache.All();
                    _ddlFieldType.DataBind();
                }

                _phQualifiers = new PlaceHolder();
                _phQualifiers.ID = "phQualifiers";
                _phQualifiers.EnableViewState = false;
                Controls.Add( _phQualifiers );

                _phDefaultValue = new PlaceHolder();
//.........这里部分代码省略.........

        /// <summary>
        /// Creates the HTML controls required to configure this type of field
        /// </summary>
        /// <returns></returns>
        public override List<Control> ConfigurationControls()
        {
            var controls = base.ConfigurationControls();

            var ddl = new RockDropDownList();
            controls.Add( ddl );
            ddl.AutoPostBack = true;
            ddl.SelectedIndexChanged += OnQualifierUpdated;
            ddl.DataTextField = "Name";
            ddl.DataValueField = "Id";
            ddl.DataSource = new BinaryFileTypeService( new RockContext() )
                .Queryable()
                .OrderBy( f => f.Name )
                .Select( f => new { f.Id, f.Name } )
                .ToList();
            ddl.DataBind();
            ddl.Items.Insert( 0, new ListItem( string.Empty, string.Empty ) );
            ddl.Label = "File Type";
            ddl.Help = "The type of files to list.";

            return controls;
        }

        /// <summary>
        /// Called by the ASP.NET page framework to notify server controls that use composition-based implementation to create any child controls they contain in preparation for posting back or rendering.
        /// </summary>
        protected override void CreateChildControls()
        {
            Controls.Clear();

            _hfValue.ID = this.ID + "_hfValue";
            Controls.Add( _hfValue );

            _actionControls = new List<RockTextBox>();
            _buttonHtmlControls = new List<RockDropDownList>();
            _activityControls = new List<RockDropDownList>();
            _responseControls = new List<RockTextBox>();

            string[] nameValues = this.Value.Split( new char[] { '|' }, StringSplitOptions.RemoveEmptyEntries );
            for ( int i = 0; i < nameValues.Length; i++ )
            {
                string[] nameValueResponse = nameValues[i].Split( new char[] { '^' } );

                var tbAction = new RockTextBox();
                tbAction.ID = this.ID + "_tbAction" + i.ToString();
                Controls.Add( tbAction );
                tbAction.Placeholder = "Action";
                tbAction.AddCssClass( "form-action-key" );
                tbAction.AddCssClass( "form-control" );
                tbAction.AddCssClass( "js-form-action-input" );
                tbAction.Text = nameValueResponse.Length > 0 ? nameValueResponse[0] : string.Empty;
                _actionControls.Add( tbAction );

                var ddlButtonHtml = new RockDropDownList();
                ddlButtonHtml.ID = this.ID + "_ddlButtonHtml" + i.ToString();
                Controls.Add( ddlButtonHtml );
                ddlButtonHtml.AddCssClass( "form-action-button" );
                ddlButtonHtml.AddCssClass( "form-control" );
                ddlButtonHtml.AddCssClass( "js-form-action-input" );
                var definedType = Rock.Web.Cache.DefinedTypeCache.Read( Rock.SystemGuid.DefinedType.BUTTON_HTML.AsGuid() );
                foreach( var definedValue in definedType.DefinedValues )
                {
                    var li = new ListItem( definedValue.Value, definedValue.Guid.ToString() );
                    li.Selected = nameValueResponse.Length > 1 && li.Value.Equals( nameValueResponse[1], StringComparison.OrdinalIgnoreCase );
                    ddlButtonHtml.Items.Add( li );
                }
                _buttonHtmlControls.Add( ddlButtonHtml );

                var ddlActivity = new RockDropDownList();
                ddlActivity.ID = this.ID + "_ddlActivity" + i.ToString();
                Controls.Add( ddlActivity );
                ddlActivity.AddCssClass( "form-action-value" );
                ddlActivity.AddCssClass( "form-control" );
                ddlActivity.AddCssClass( "js-form-action-input" );
                ddlActivity.DataTextField = "Value";
                ddlActivity.DataValueField = "Key";
                ddlActivity.DataSource = Activities;
                ddlActivity.DataBind();
                ddlActivity.Items.Insert( 0, new ListItem( string.Empty, string.Empty ) );
                foreach(ListItem li in ddlActivity.Items)
                {
                    li.Selected = nameValueResponse.Length > 2 && li.Value.Equals( nameValueResponse[2], StringComparison.OrdinalIgnoreCase );
                }
                _activityControls.Add( ddlActivity );

                var tbResponse = new RockTextBox();
                tbResponse.ID = this.ID + "_tbResponse" + i.ToString();
                Controls.Add( tbResponse );
                tbResponse.Placeholder = "Response Text";
                tbResponse.AddCssClass( "form-action-response" );
                tbResponse.AddCssClass( "form-control" );
                tbResponse.AddCssClass( "js-form-action-input" );
                tbResponse.Text = nameValueResponse.Length > 3 ? nameValueResponse[3] : string.Empty;
                _responseControls.Add( tbResponse );
            }
        }

        /// <summary>
        /// Creates the child controls.
        /// </summary>
        /// <returns></returns>
        public override Control[] CreateChildControls( Type entityType, FilterField filterControl )
        {
            var controls = new List<Control>();

            // Add the registration template picker
            int? selectedTemplateId = null;
            if ( _ddlRegistrationTemplate != null )
            {
                selectedTemplateId = _ddlRegistrationTemplate.SelectedValueAsId();
            }

            _ddlRegistrationTemplate = new RockDropDownList();
            _ddlRegistrationTemplate.CssClass = "js-registration-template";
            _ddlRegistrationTemplate.ID = filterControl.ID + "_ddlRegistrationTemplate";
            _ddlRegistrationTemplate.Label = "Registration Template";
            _ddlRegistrationTemplate.DataTextField = "Name";
            _ddlRegistrationTemplate.DataValueField = "Id";
            _ddlRegistrationTemplate.DataSource = new RegistrationTemplateService( new RockContext() ).Queryable()
                .OrderBy( a => a.Name )
                .Select( d => new
                {
                    d.Id,
                    d.Name
                } )
            .ToList();
            _ddlRegistrationTemplate.DataBind();
            _ddlRegistrationTemplate.SelectedIndexChanged += ddlRegistrationTemplate_SelectedIndexChanged;
            _ddlRegistrationTemplate.AutoPostBack = true;
            _ddlRegistrationTemplate.SelectedValue = selectedTemplateId.ToStringSafe();
            filterControl.Controls.Add( _ddlRegistrationTemplate );

            // Now add the registration instance picker
            _ddlRegistrationInstance = new RockDropDownList();
            _ddlRegistrationInstance.CssClass = "js-registration-instance";
            _ddlRegistrationInstance.Label = "Registration Instance";
            _ddlRegistrationInstance.ID = filterControl.ID + "_ddlRegistrationInstance";
            filterControl.Controls.Add( _ddlRegistrationInstance );

            PopulateRegistrationInstanceList( _ddlRegistrationTemplate.SelectedValueAsId () ?? 0  );

            _rblRegistrationType = new RockRadioButtonList();
            _rblRegistrationType.CssClass = "js-registration-type";
            _rblRegistrationType.ID = filterControl.ID + "_registrationType";
            _rblRegistrationType.RepeatDirection = RepeatDirection.Horizontal;
            _rblRegistrationType.Label = "Person";
            _rblRegistrationType.Help = "Choose whether to filter by the person who did the registering (registrar) or the person who was registered (registrant).";
            _rblRegistrationType.Items.Add( new ListItem( "Registrar", "1" ) );
            _rblRegistrationType.Items.Add( new ListItem( "Registrant", "2" ) );
            _rblRegistrationType.SelectedValue = "2";
            filterControl.Controls.Add( _rblRegistrationType );

            return new Control[3] { _ddlRegistrationTemplate, _ddlRegistrationInstance, _rblRegistrationType };
        }

        /// <summary>
        /// Adds the filter controls and grid columns for all of the registration template's form fields
        /// that were configured to 'Show on Grid'
        /// </summary>
        private void AddDynamicControls()
        {
            phRegistrantFormFieldFilters.Controls.Clear();
            phWaitListFormFieldFilters.Controls.Clear();

            ClearGrid( gGroupPlacements );
            ClearGrid( gRegistrants );
            ClearGrid( gWaitList );

            if ( RegistrantFields != null )
            {
                foreach ( var field in RegistrantFields )
                {
                    if ( field.FieldSource == RegistrationFieldSource.PersonField && field.PersonFieldType.HasValue )
                    {
                        switch ( field.PersonFieldType.Value )
                        {
                            case RegistrationPersonFieldType.Campus:
                                {
                                    var ddlCampus = new RockDropDownList();
                                    ddlCampus.ID = "ddlCampus";
                                    ddlCampus.Label = "Home Campus";
                                    ddlCampus.DataValueField = "Id";
                                    ddlCampus.DataTextField = "Name";
                                    ddlCampus.DataSource = CampusCache.All();
                                    ddlCampus.DataBind();
                                    ddlCampus.Items.Insert( 0, new ListItem( "", "" ) );
                                    ddlCampus.SetValue( fRegistrants.GetUserPreference( "Home Campus" ) );
                                    phRegistrantFormFieldFilters.Controls.Add( ddlCampus );

                                    var ddlCampus2 = new RockDropDownList();
                                    ddlCampus2.ID = "ddlCampus";
                                    ddlCampus2.Label = "Home Campus";
                                    ddlCampus2.DataValueField = "Id";
                                    ddlCampus2.DataTextField = "Name";
                                    ddlCampus2.DataSource = CampusCache.All();
                                    ddlCampus2.DataBind();
                                    ddlCampus2.Items.Insert( 0, new ListItem( "", "" ) );
                                    ddlCampus2.SetValue( fRegistrants.GetUserPreference( "WL-Home Campus" ) );
                                    phWaitListFormFieldFilters.Controls.Add( ddlCampus2 );

                                    var templateField = new RockLiteralField();
                                    templateField.ID = "lCampus";
                                    templateField.HeaderText = "Campus";
                                    gRegistrants.Columns.Add( templateField );

                                    var templateField2 = new RockLiteralField();
                                    templateField2.ID = "lCampus";
                                    templateField2.HeaderText = "Campus";
                                    gGroupPlacements.Columns.Add( templateField2 );

                                    var templateField3 = new RockLiteralField();
                                    templateField3.ID = "lCampus";
                                    templateField3.HeaderText = "Campus";
                                    gWaitList.Columns.Add( templateField3 );

                                    break;
                                }

                            case RegistrationPersonFieldType.Email:
                                {
                                    var tbEmailFilter = new RockTextBox();
                                    tbEmailFilter.ID = "tbEmailFilter";
                                    tbEmailFilter.Label = "Email";
                                    tbEmailFilter.Text = fRegistrants.GetUserPreference( "Email" );
                                    phRegistrantFormFieldFilters.Controls.Add( tbEmailFilter );

                                    var tbEmailFilter2 = new RockTextBox();
                                    tbEmailFilter2.ID = "tbEmailFilter";
                                    tbEmailFilter2.Label = "Email";
                                    tbEmailFilter2.Text = fRegistrants.GetUserPreference( "WL-Email" );
                                    phWaitListFormFieldFilters.Controls.Add( tbEmailFilter2 );

                                    string dataFieldExpression = "PersonAlias.Person.Email";
                                    var emailField = new RockBoundField();
                                    emailField.DataField = dataFieldExpression;
                                    emailField.HeaderText = "Email";
                                    emailField.SortExpression = dataFieldExpression;
                                    gRegistrants.Columns.Add( emailField );

                                    var emailField2 = new RockBoundField();
                                    emailField2.DataField = dataFieldExpression;
                                    emailField2.HeaderText = "Email";
                                    emailField2.SortExpression = dataFieldExpression;
                                    gGroupPlacements.Columns.Add( emailField2 );

                                    var emailField3 = new RockBoundField();
                                    emailField3.DataField = dataFieldExpression;
                                    emailField3.HeaderText = "Email";
                                    emailField3.SortExpression = dataFieldExpression;
                                    gWaitList.Columns.Add( emailField3 );

                                    break;
                                }

                            case RegistrationPersonFieldType.Birthdate:
//.........这里部分代码省略.........