TextDataBindingHandler.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / WebForms / System / Web / UI / Design / TextDataBindingHandler.cs / 1 / TextDataBindingHandler.cs
                        

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

namespace System.Web.UI.Design { 
 
    using System;
    using System.Design; 
    using System.ComponentModel;
    using System.ComponentModel.Design;
    using System.Diagnostics;
    using System.Reflection; 
    using System.Web.UI;
 
    ///  
    /// 
    ///    [To be supplied.] 
    /// 
    [System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)]
    public class TextDataBindingHandler : DataBindingHandler {
 
        /// 
        ///  
        ///    [To be supplied.] 
        /// 
        public override void DataBindControl(IDesignerHost designerHost, Control control) { 
            DataBinding textBinding = ((IDataBindingsAccessor)control).DataBindings["Text"];

            if (textBinding != null) {
                PropertyInfo textProperty = control.GetType().GetProperty("Text"); 
                Debug.Assert(textProperty != null, "Did not find Text property on control");
 
                if (textProperty != null) { 
                    Debug.Assert(textProperty.PropertyType == typeof(string), "Can only handle Text properties of type string.");
 
                    if (textProperty.PropertyType == typeof(string)) {
                        DesignTimeDataBinding dt = new DesignTimeDataBinding(textBinding);
                        string stringValue = String.Empty;
 
                        if (!dt.IsCustom) {
                            try { 
                                stringValue = DataBinder.Eval(((IDataItemContainer)control.NamingContainer).DataItem, dt.Field, dt.Format); 
                            }
                            catch { 
                                // If the databinding failed, just use the default 'Databound' text
                            }
                        }
 
                        if ((stringValue == null) || (stringValue.Length == 0)) {
                            stringValue = SR.GetString(SR.Sample_Databound_Text); 
                        } 
                        textProperty.SetValue(control, stringValue, null);
                    } 
                }
            }
        }
    } 
}
 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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