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MVVM and the WPF DataGrid

, 23 Sep 2009
Using MVVM, particularly with the WPF DataGrid
datagridopsdemo.zip
DataGridOpsDemo
DataGridOpsDemo
bin
Debug
DataGridOpsDemo.exe
DataGridOpsDemo.vshost.exe
DataGridOpsDemo.vshost.exe.manifest
WPFToolkit.dll
Domain
Images
delete_item.png
Properties
Settings.settings
UtilityClasses
View
delete_item.png
new_item.png
ViewModel
Commands
Services
ValueConverters
Library
WPFToolkit.dll

namespace DataGridOpsDemo
{
    public class GroceryItem : ObservableObject, ISequencedObject
    {
        #region Fields

        // Property variables
        private int p_SequenceNumber;
        private string p_Name;

        #endregion

        #region Constructors

        /// <summary>
        /// Default constructor
        /// </summary>
        public GroceryItem()
        {
        }

        /// <summary>
        /// Paramterized constructor.
        /// </summary>
        /// <param name="itemName">The name of the grocery item.</param>
        public GroceryItem(string itemName)
        {
            p_Name = itemName;
        }

        /// <summary>
        /// Paramterized constructor.
        /// </summary>
        /// <param name="itemName">The name of the grocery item.</param>
        /// <param name="itemIndex">The sequential position of the item in a grocery list.</param>
        public GroceryItem(string itemName, int itemIndex)
        {
            p_Name = itemName;
            p_SequenceNumber = itemIndex;
        }

        #endregion

        #region Properties

        /// <summary>
        /// The sequential position of this item in a list of items.
        /// </summary>
        public int SequenceNumber
        {
            get { return p_SequenceNumber; }

            set
            {
                p_SequenceNumber = value;
                base.RaisePropertyChangedEvent("SequenceNumber");
            }
        }

        /// <summary>
        /// The name of the grocery item.
        /// </summary>
        public string Name
        {
            get { return p_Name; }

            set
            {
                p_Name = value;
                base.RaisePropertyChangedEvent("Text");
            }
        }

        #endregion

        #region Overrides

        /// <summary>
        /// Sets the item name as its ToString() value.
        /// </summary>
        /// <returns>The name of the item.</returns>
        public override string ToString()
        {
            return Name;
        }

        #endregion
    }
}

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

About the Author

David Veeneman
Software Developer (Senior) Foresight Systems
United States United States
David Veeneman is a financial planner and software developer. He is the author of "The Fortune in Your Future" (McGraw-Hill 1998). His company, Foresight Systems, develops planning and financial software.

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