appdatabasedataset.designer.cs

Microsoft Mobile Development Handbook的代码,有C#,VB,C++的

                    }
                    catch (System.InvalidCastException e) {
                        throw new System.Data.StrongTypingException("The value for column \'Price\' in table \'Orders\' is DBNull.", e);
                    }
                }
                set {
                    this[this.tableOrders.PriceColumn] = value;
                }
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public bool IsServerOrderIdNull() {
                return this.IsNull(this.tableOrders.ServerOrderIdColumn);
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void SetServerOrderIdNull() {
                this[this.tableOrders.ServerOrderIdColumn] = System.Convert.DBNull;
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public bool IsProductIdNull() {
                return this.IsNull(this.tableOrders.ProductIdColumn);
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void SetProductIdNull() {
                this[this.tableOrders.ProductIdColumn] = System.Convert.DBNull;
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public bool IsQuantityNull() {
                return this.IsNull(this.tableOrders.QuantityColumn);
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void SetQuantityNull() {
                this[this.tableOrders.QuantityColumn] = System.Convert.DBNull;
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public bool IsProductNameNull() {
                return this.IsNull(this.tableOrders.ProductNameColumn);
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void SetProductNameNull() {
                this[this.tableOrders.ProductNameColumn] = System.Convert.DBNull;
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public bool IsPriceNull() {
                return this.IsNull(this.tableOrders.PriceColumn);
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void SetPriceNull() {
                this[this.tableOrders.PriceColumn] = System.Convert.DBNull;
            }
        }
        
        public class ProductsRowChangeEvent : System.EventArgs {
            
            private ProductsRow eventRow;
            
            private System.Data.DataRowAction eventAction;
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public ProductsRowChangeEvent(ProductsRow row, System.Data.DataRowAction action) {
                this.eventRow = row;
                this.eventAction = action;
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public ProductsRow Row {
                get {
                    return this.eventRow;
                }
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public System.Data.DataRowAction Action {
                get {
                    return this.eventAction;
                }
            }
        }
        
        public class OrdersRowChangeEvent : System.EventArgs {
            
            private OrdersRow eventRow;
            
            private System.Data.DataRowAction eventAction;
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public OrdersRowChangeEvent(OrdersRow row, System.Data.DataRowAction action) {
                this.eventRow = row;
                this.eventAction = action;
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public OrdersRow Row {
                get {
                    return this.eventRow;
                }
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public System.Data.DataRowAction Action {
                get {
                    return this.eventAction;
                }
            }
        }
    }
}
namespace MobileDevelopersHandbook.DSAExample.AppDatabaseDataSetTableAdapters {
    
    
    [System.ComponentModel.DesignerCategoryAttribute("code")]
    [System.ComponentModel.DataObjectAttribute(true)]
    public partial class ProductsTableAdapter : System.ComponentModel.Component {
        
        private System.Data.SqlServerCe.SqlCeDataAdapter _adapter;
        
        private System.Data.SqlServerCe.SqlCeConnection _connection;
        
        private System.Data.SqlServerCe.SqlCeCommand[] _commandCollection;
        
        private bool _clearBeforeFill;
        
        [System.Diagnostics.DebuggerNonUserCodeAttribute()]
        public ProductsTableAdapter() {
            this.ClearBeforeFill = true;
        }
        
        [System.Diagnostics.DebuggerNonUserCodeAttribute()]
        private System.Data.SqlServerCe.SqlCeDataAdapter Adapter {
            get {
                if ((this._adapter == null)) {
                    this.InitAdapter();
                }
                return this._adapter;
            }
        }
        
        [System.Diagnostics.DebuggerNonUserCodeAttribute()]
        internal 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)) {
                        ((System.Data.SqlServerCe.SqlCeCommand)(this.CommandCollection[i])).Connection = value;
                    }
                }
            }
        }
        
        [System.Diagnostics.DebuggerNonUserCodeAttribute()]
        protected System.Data.SqlServerCe.SqlCeCommand[] CommandCollection {
            get {
                if ((this._commandCollection == null)) {
                    this.InitCommandCollection();
                }
                return this._commandCollection;
            }
        }
        
        [System.Diagnostics.DebuggerNonUserCodeAttribute()]
        public bool ClearBeforeFill {
            get {
                return this._clearBeforeFill;
            }
            set {
                this._clearBeforeFill = value;
            }
        }
        
        [System.Diagnostics.DebuggerNonUserCodeAttribute()]
        private void InitAdapter() {
            this._adapter = new System.Data.SqlServerCe.SqlCeDataAdapter();
            System.Data.Common.DataTableMapping tableMapping = new System.Data.Common.DataTableMapping();
            tableMapping.SourceTable = "Table";
            tableMapping.DataSetTable = "Products";
            tableMapping.ColumnMappings.Add("ProductId", "ProductId");
            tableMapping.ColumnMappings.Add("ProductName", "ProductName");
            tableMapping.ColumnMappings.Add("Price", "Price");
            tableMapping.ColumnMappings.Add("Description", "Description");
            this._adapter.TableMappings.Add(tableMapping);
            this._adapter.DeleteCommand = new System.Data.SqlServerCe.SqlCeCommand();
            this._adapter.DeleteCommand.Connection = this.Connection;
            this._adapter.DeleteCommand.CommandText = "DELETE FROM [Products] WHERE (([ProductId] = @p1))";
            this._adapter.DeleteCommand.CommandType = System.Data.CommandType.Text;
            System.Data.SqlServerCe.SqlCeParameter param = new System.Data.SqlServerCe.SqlCeParameter();
            param.ParameterName = "@p1";
            param.DbType = System.Data.DbType.Int32;
            param.IsNullable = true;
            param.SourceColumn = "ProductId";
            param.SourceVersion = System.Data.DataRowVersion.Original;
            this._adapter.DeleteCommand.Parameters.Add(param);
            this._adapter.InsertCommand = new System.Data.SqlServerCe.SqlCeCommand();
            this._adapter.InsertCommand.Connection = this.Connection;
            this._adapter.InsertCommand.CommandText = "INSERT INTO [Products] ([ProductName], [Price], [Description]) VALUES (@p1, @p2, " +
                "@p3)";
            this._adapter.InsertCommand.CommandType = System.Data.CommandType.Text;
            param = new System.Data.SqlServerCe.SqlCeParameter();
            param.ParameterName = "@p1";
            param.IsNullable = true;
            param.SourceColumn = "ProductName";
            this._adapter.InsertCommand.Parameters.Add(param);
            param = new System.Data.SqlServerCe.SqlCeParameter();
            param.ParameterName = "@p2";
            param.DbType = System.Data.DbType.Currency;
            param.IsNullable = true;
            param.SourceColumn = "Price";
            this._adapter.InsertCommand.Parameters.Add(param);
            param = new System.Data.SqlServerCe.SqlCeParameter();
            param.ParameterName = "@p3";
            param.IsNullable = true;
            param.SourceColumn = "Description";
            this._adapter.InsertCommand.Parameters.Add(param);
            this._adapter.UpdateCommand = new System.Data.SqlServerCe.SqlCeCommand();
            this._adapter.UpdateCommand.Connection = this.Connection;
            this._adapter.UpdateCommand.CommandText = "UPDATE [Products] SET [ProductName] = @p1, [Price] = @p2, [Description] = @p3 WHE" +
                "RE (([ProductId] = @p4))";
            this._adapter.UpdateCommand.CommandType = System.Data.CommandType.Text;
            param = new System.Data.SqlServerCe.SqlCeParameter();
            param.ParameterName = "@p1";
            param.IsNullable = true;
            param.SourceColumn = "ProductName";
            this._adapter.UpdateCommand.Parameters.Add(param);
            param = new System.Data.SqlServerCe.SqlCeParameter();
            param.ParameterName = "@p2";
            param.DbType = System.Data.DbType.Currency;
            param.IsNullable = true;
            param.SourceColumn = "Price";
            this._adapter.UpdateCommand.Parameters.Add(param);
            param = new System.Data.SqlServerCe.SqlCeParameter();
            param.ParameterName = "@p3";
            param.IsNullable = true;
            param.SourceColumn = "Description";
            this._adapter.UpdateCommand.Parameters.Add(param);
            param = new System.Data.SqlServerCe.SqlCeParameter();
            param.ParameterName = "@p4";
            param.DbType = System.Data.DbType.Int32;
            param.IsNullable = true;
            param.SourceColumn = "ProductId";
            param.SourceVersion = System.Data.DataRowVersion.Original;
            this._adapter.UpdateCommand.Parameters.Add(param);
        }
        
        [System.Diagnostics.DebuggerNonUserCodeAttribute()]
        private void InitConnection() {
            this._connection = new System.Data.SqlServerCe.SqlCeConnection();
            this._connection.ConnectionString = ("Data Source =" 
                        + (System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().GetName().CodeBase) + "\\AppDatabase.sdf;"));
        }
        
        [System.Diagnostics.DebuggerNonUserCodeAttribute()]
        private void InitCommandCollection() {
            this._commandCollection = new System.Data.SqlServerCe.SqlCeCommand[1];
            this._commandCollection[0] = new System.Data.SqlServerCe.SqlCeCommand();
            this._commandCollection[0].Connection = this.Connection;
            this._commandCollection[0].CommandText = "SELECT [ProductId], [ProductName], [Price], [Description] FROM [Products]";
            this._commandCollection[0].CommandType = System.Data.CommandType.Text;
        }
        
        [System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [System.ComponentModel.DataObjectMethodAttribute(System.ComponentModel.DataObjectMethodType.Fill, true)]
        public virtual int Fill(AppDatabaseDataSet.ProductsDataTable dataTable) {