northwinddataset.designer.cs

移动设备的 LINQ 编程介绍 .NET Compact Framework 版 LINQ 的特性

            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public short Units_On_Order {
                get {
                    try {
                        return ((short)(this[this.tableProducts.Units_On_OrderColumn]));
                    }
                    catch (global::System.InvalidCastException e) {
                        throw new global::System.Data.StrongTypingException("表“Products”中列“Units On Order”的值为 DBNull。", e);
                    }
                }
                set {
                    this[this.tableProducts.Units_On_OrderColumn] = value;
                }
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public short Reorder_Level {
                get {
                    try {
                        return ((short)(this[this.tableProducts.Reorder_LevelColumn]));
                    }
                    catch (global::System.InvalidCastException e) {
                        throw new global::System.Data.StrongTypingException("表“Products”中列“Reorder Level”的值为 DBNull。", e);
                    }
                }
                set {
                    this[this.tableProducts.Reorder_LevelColumn] = value;
                }
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public bool Discontinued {
                get {
                    return ((bool)(this[this.tableProducts.DiscontinuedColumn]));
                }
                set {
                    this[this.tableProducts.DiscontinuedColumn] = value;
                }
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public CategoriesRow CategoriesRow {
                get {
                    return ((CategoriesRow)(this.GetParentRow(this.Table.ParentRelations["Products_FK01"])));
                }
                set {
                    this.SetParentRow(value, this.Table.ParentRelations["Products_FK01"]);
                }
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public bool IsSupplier_IDNull() {
                return this.IsNull(this.tableProducts.Supplier_IDColumn);
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void SetSupplier_IDNull() {
                this[this.tableProducts.Supplier_IDColumn] = global::System.Convert.DBNull;
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public bool IsCategory_IDNull() {
                return this.IsNull(this.tableProducts.Category_IDColumn);
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void SetCategory_IDNull() {
                this[this.tableProducts.Category_IDColumn] = global::System.Convert.DBNull;
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public bool IsEnglish_NameNull() {
                return this.IsNull(this.tableProducts.English_NameColumn);
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void SetEnglish_NameNull() {
                this[this.tableProducts.English_NameColumn] = global::System.Convert.DBNull;
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public bool IsQuantity_Per_UnitNull() {
                return this.IsNull(this.tableProducts.Quantity_Per_UnitColumn);
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void SetQuantity_Per_UnitNull() {
                this[this.tableProducts.Quantity_Per_UnitColumn] = global::System.Convert.DBNull;
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public bool IsUnit_PriceNull() {
                return this.IsNull(this.tableProducts.Unit_PriceColumn);
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void SetUnit_PriceNull() {
                this[this.tableProducts.Unit_PriceColumn] = global::System.Convert.DBNull;
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public bool IsUnits_In_StockNull() {
                return this.IsNull(this.tableProducts.Units_In_StockColumn);
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void SetUnits_In_StockNull() {
                this[this.tableProducts.Units_In_StockColumn] = global::System.Convert.DBNull;
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public bool IsUnits_On_OrderNull() {
                return this.IsNull(this.tableProducts.Units_On_OrderColumn);
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void SetUnits_On_OrderNull() {
                this[this.tableProducts.Units_On_OrderColumn] = global::System.Convert.DBNull;
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public bool IsReorder_LevelNull() {
                return this.IsNull(this.tableProducts.Reorder_LevelColumn);
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void SetReorder_LevelNull() {
                this[this.tableProducts.Reorder_LevelColumn] = global::System.Convert.DBNull;
            }
        }
        
        /// <summary>
        ///Row event argument class
        ///</summary>
        public class CategoriesRowChangeEvent : global::System.EventArgs {
            
            private CategoriesRow eventRow;
            
            private global::System.Data.DataRowAction eventAction;
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public CategoriesRowChangeEvent(CategoriesRow row, global::System.Data.DataRowAction action) {
                this.eventRow = row;
                this.eventAction = action;
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public CategoriesRow Row {
                get {
                    return this.eventRow;
                }
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public global::System.Data.DataRowAction Action {
                get {
                    return this.eventAction;
                }
            }
        }
        
        /// <summary>
        ///Row event argument class
        ///</summary>
        public class ProductsRowChangeEvent : global::System.EventArgs {
            
            private ProductsRow eventRow;
            
            private global::System.Data.DataRowAction eventAction;
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public ProductsRowChangeEvent(ProductsRow row, global::System.Data.DataRowAction action) {
                this.eventRow = row;
                this.eventAction = action;
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public ProductsRow Row {
                get {
                    return this.eventRow;
                }
            }
            
            [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public global::System.Data.DataRowAction Action {
                get {
                    return this.eventAction;
                }
            }
        }
    }
}
namespace Demo3___LinqToDataSet.NorthwindDataSetTableAdapters {
    
    
    /// <summary>
    ///Represents the connection and commands used to retrieve and save data.
    ///</summary>
    [global::System.ComponentModel.DesignerCategoryAttribute("code")]
    [global::System.ComponentModel.DataObjectAttribute(true)]
    public partial class CategoriesTableAdapter : global::System.ComponentModel.Component {
        
        private global::System.Data.SqlServerCe.SqlCeDataAdapter _adapter;
        
        private global::System.Data.SqlServerCe.SqlCeConnection _connection;
        
        private global::System.Data.SqlServerCe.SqlCeCommand[] _commandCollection;
        
        private bool _clearBeforeFill;
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        public CategoriesTableAdapter() {
            this.ClearBeforeFill = true;
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        private global::System.Data.SqlServerCe.SqlCeDataAdapter Adapter {
            get {
                if ((this._adapter == null)) {
                    this.InitAdapter();
                }
                return this._adapter;
            }
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        internal global::System.Data.SqlServerCe.SqlCeConnection Connection {
            get {
                if ((this._connection == null)) {
                    this.InitConnection();
                }
                return this._connection;
            }
            set {
                this._connection = value;
                if ((this.Adapter.InsertCommand != null)) {
                    this.Adapter.InsertCommand.Connection = value;
                }
                if ((this.Adapter.DeleteCommand != null)) {
                    this.Adapter.DeleteCommand.Connection = value;
                }
                if ((this.Adapter.UpdateCommand != null)) {
                    this.Adapter.UpdateCommand.Connection = value;
                }
                for (int i = 0; (i < this.CommandCollection.Length); i = (i + 1)) {
                    if ((this.CommandCollection[i] != null)) {
                        ((global::System.Data.SqlServerCe.SqlCeCommand)(this.CommandCollection[i])).Connection = value;
                    }
                }
            }
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        protected global::System.Data.SqlServerCe.SqlCeCommand[] CommandCollection {
            get {
                if ((this._commandCollection == null)) {
                    this.InitCommandCollection();
                }
                return this._commandCollection;
            }
        }
        
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        public bool ClearBeforeFill {
            get {
                return this._clearBeforeFill;
            }
            set {
                this._clearBeforeFill = value;
            }
        }
        
        [global::System