ValidationSummary.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / MIT / System / Web / UI / MobileControls / ValidationSummary.cs / 1305376 / ValidationSummary.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

using System; 
using System.Collections; 
using System.ComponentModel;
using System.ComponentModel.Design; 
using System.Drawing;
using System.Globalization;
using System.Web;
using System.Web.UI; 
using System.Web.UI.Design.WebControls;
using System.Web.UI.HtmlControls; 
using System.Web.UI.WebControls; 
using System.Diagnostics;
using System.Security.Permissions; 

namespace System.Web.UI.MobileControls
{
    /* 
     * Mobile ValidationSummary class.
     * The ValidationSummary shows all the validation errors in a Form in a 
     * summary view. 
     *
     * Copyright (c) 2000 Microsoft Corporation 
     */
    /// 
    [
        DefaultProperty("FormToValidate"), 
        Designer(typeof(System.Web.UI.Design.MobileControls.ValidationSummaryDesigner)),
        DesignerAdapter(typeof(System.Web.UI.Design.MobileControls.Adapters.DesignerValidationSummaryAdapter)), 
        ToolboxData("<{0}:ValidationSummary runat=\"server\">"), 
        ToolboxItem("System.Web.UI.Design.WebControlToolboxItem, " + AssemblyRef.SystemDesign)
    ] 
    [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
    [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
    [Obsolete("The System.Web.Mobile.dll assembly has been deprecated and should no longer be used. For information about how to develop ASP.NET mobile applications, see http://go.microsoft.com/fwlink/?LinkId=157231.")]
    public class ValidationSummary : MobileControl 
    {
        private bool _callValidate = true; 
 
        /// 
        public ValidationSummary() 
        {
            StyleReference = Constants.ErrorStyle;
        }
 
        ////////////////////////////////////////////////////////////////////////
        // Mimic some properties exposed in the original ValidatorSummary. 
        //////////////////////////////////////////////////////////////////////// 

        ///  
        [
            Bindable(true),
            DefaultValue(""),
            MobileCategory(SR.Category_Appearance), 
            MobileSysDescription(SR.ValidationSummary_HeaderText)
        ] 
        public String HeaderText 
        {
            get 
            {
                String s = (String) ViewState["HeaderText"];
                return((s != null) ? s : String.Empty);
            } 
            set
            { 
                ViewState["HeaderText"] = value; 
            }
        } 

        /// 
        [
            Bindable(true), 
            DefaultValue(""),
            MobileCategory(SR.Category_Behavior), 
            MobileSysDescription(SR.ValidationSummary_FormToValidate), 
            TypeConverter(typeof(System.Web.UI.Design.MobileControls.Converters.FormConverter))
        ] 
        public String FormToValidate
        {
            get
            { 
                String s = (String) ViewState["FormToValidate"];
                return((s != null) ? s : String.Empty); 
            } 
            set
            { 
                ViewState["FormToValidate"] = value;
            }
        }
 
        /// 
        [ 
            Bindable(true), 
            DefaultValue(""),
            MobileCategory(SR.Category_Appearance), 
            MobileSysDescription(SR.ValidationSummary_BackLabel)
        ]
        public String BackLabel
        { 
            get
            { 
                return ToString(ViewState["BackLabel"]); 
            }
            set 
            {
                ViewState["BackLabel"] = value;
            }
        } 

        // Designer needs to know the correct default value in order to persist it correctly. 
        ///  
        [
            DefaultValue(Constants.ErrorStyle) 
        ]
        public override String StyleReference
        {
            get 
            {
                return base.StyleReference; 
            } 
            set
            { 
                base.StyleReference = value;
            }
        }
 
        /// 
        protected override void OnLoad(EventArgs e) 
        { 
            base.OnLoad(e);
 
            // There are cases that we don't want to call the Validate()
            // method on individual validators that the ValidationSummary is
            // targeting to.
            // This first case is when the page is hit at the first time. 
            // And the second case is when FormToValidate is the same as the
            // form ValidationSummary is on and this form is a postback from 
            // the same form.  In this case, the validators' validate() 
            // method should have been called by MobilePage if needed.
 
            if (!MobilePage.IsPostBack ||
                String.Compare(Form.UniqueID, FormToValidate, StringComparison.OrdinalIgnoreCase) == 0)
            {
                _callValidate = false; 
            }
        } 
 
        private void GetErrorValidators_Helper(Control parent, ArrayList errorValidators)
        { 
            foreach(Control control in parent.Controls)
            {
                BaseValidator baseVal = control as BaseValidator;
                if (baseVal != null && baseVal.ErrorMessage.Length != 0) 
                {
                    if (_callValidate) 
                    { 
                        baseVal.Validate();
                    } 

                    if (!baseVal.IsValid)
                    {
                        errorValidators.Add(baseVal); 
                    }
                } 
                GetErrorValidators_Helper(control, errorValidators); 
            }
        } 

        /// 
        public String[] GetErrorMessages()
        { 
            String[] errorDescriptions = null;
            ArrayList errorValidators = new ArrayList(); 
 
            Form targetForm = ResolveFormReferenceNoThrow(FormToValidate);
 
            if (targetForm == null)
            {
                throw new ArgumentException(
                    SR.GetString(SR.ValidationSummary_InvalidFormToValidate, 
                                 FormToValidate,
                                 ID)); 
            } 
            // Recursively find all validators with error messages to display.
            GetErrorValidators_Helper(targetForm, errorValidators); 

            int count = errorValidators.Count;

            if (count > 0) 
            {
                // get the messages; 
                errorDescriptions = new String[count]; 
                int iMessage = 0;
                foreach (BaseValidator val in errorValidators) 
                {
                    Debug.Assert(val != null, "Null reference unexpected!");
                    Debug.Assert(val.ErrorMessage.Length != 0, "Programmatic error: error message here shouldn't be empty!");
                    errorDescriptions[iMessage] = String.Copy(val.ErrorMessage); 
                    iMessage++;
                } 
                Debug.Assert(count == iMessage, "Not all messages were found!"); 
            }
 
            return errorDescriptions;
        }
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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