appdatabasedataset.designer.cs

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

                }
                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 = "Messages";
            tableMapping.ColumnMappings.Add("MessageID", "MessageID");
            tableMapping.ColumnMappings.Add("MessageText", "MessageText");
            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 [Messages] WHERE (([MessageID] = @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 = "MessageID";
            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 [Messages] ([MessageText]) VALUES (@p1)";
            this._adapter.InsertCommand.CommandType = System.Data.CommandType.Text;
            param = new System.Data.SqlServerCe.SqlCeParameter();
            param.ParameterName = "@p1";
            param.IsNullable = true;
            param.SourceColumn = "MessageText";
            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 [Messages] SET [MessageText] = @p1 WHERE (([MessageID] = @p2))";
            this._adapter.UpdateCommand.CommandType = System.Data.CommandType.Text;
            param = new System.Data.SqlServerCe.SqlCeParameter();
            param.ParameterName = "@p1";
            param.IsNullable = true;
            param.SourceColumn = "MessageText";
            this._adapter.UpdateCommand.Parameters.Add(param);
            param = new System.Data.SqlServerCe.SqlCeParameter();
            param.ParameterName = "@p2";
            param.DbType = System.Data.DbType.Int32;
            param.IsNullable = true;
            param.SourceColumn = "MessageID";
            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 [MessageID], [MessageText] FROM [Messages]";
            this._commandCollection[0].CommandType = System.Data.CommandType.Text;
        }
        
        [System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [System.ComponentModel.DataObjectMethodAttribute(System.ComponentModel.DataObjectMethodType.Fill, true)]
        public virtual int Fill(AppDatabaseDataSet.MessagesDataTable dataTable) {
            this.Adapter.SelectCommand = this.CommandCollection[0];
            if ((this.ClearBeforeFill == true)) {
                dataTable.Clear();
            }
            int returnValue = this.Adapter.Fill(dataTable);
            return returnValue;
        }
        
        [System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [System.ComponentModel.DataObjectMethodAttribute(System.ComponentModel.DataObjectMethodType.Select, true)]
        public virtual AppDatabaseDataSet.MessagesDataTable GetData() {
            this.Adapter.SelectCommand = this.CommandCollection[0];
            AppDatabaseDataSet.MessagesDataTable dataTable = new AppDatabaseDataSet.MessagesDataTable();
            this.Adapter.Fill(dataTable);
            return dataTable;
        }
        
        [System.Diagnostics.DebuggerNonUserCodeAttribute()]
        public virtual int Update(AppDatabaseDataSet.MessagesDataTable dataTable) {
            return this.Adapter.Update(dataTable);
        }
        
        [System.Diagnostics.DebuggerNonUserCodeAttribute()]
        public virtual int Update(AppDatabaseDataSet dataSet) {
            return this.Adapter.Update(dataSet, "Messages");
        }
        
        [System.Diagnostics.DebuggerNonUserCodeAttribute()]
        public virtual int Update(System.Data.DataRow dataRow) {
            return this.Adapter.Update(new System.Data.DataRow[] {
                        dataRow});
        }
        
        [System.Diagnostics.DebuggerNonUserCodeAttribute()]
        public virtual int Update(System.Data.DataRow[] dataRows) {
            return this.Adapter.Update(dataRows);
        }
        
        [System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [System.ComponentModel.DataObjectMethodAttribute(System.ComponentModel.DataObjectMethodType.Delete, true)]
        public virtual int Delete(int p1) {
            this.Adapter.DeleteCommand.Parameters[0].Value = ((int)(p1));
            System.Data.ConnectionState previousConnectionState = this.Adapter.DeleteCommand.Connection.State;
            if (((this.Adapter.DeleteCommand.Connection.State & System.Data.ConnectionState.Open) 
                        != System.Data.ConnectionState.Open)) {
                this.Adapter.DeleteCommand.Connection.Open();
            }
            try {
                int returnValue = this.Adapter.DeleteCommand.ExecuteNonQuery();
                return returnValue;
            }
            finally {
                if ((previousConnectionState == System.Data.ConnectionState.Closed)) {
                    this.Adapter.DeleteCommand.Connection.Close();
                }
            }
        }
        
        [System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [System.ComponentModel.DataObjectMethodAttribute(System.ComponentModel.DataObjectMethodType.Insert, true)]
        public virtual int Insert(string p1) {
            if ((p1 == null)) {
                throw new System.ArgumentNullException("p1");
            }
            else {
                this.Adapter.InsertCommand.Parameters[0].Value = ((string)(p1));
            }
            System.Data.ConnectionState previousConnectionState = this.Adapter.InsertCommand.Connection.State;
            if (((this.Adapter.InsertCommand.Connection.State & System.Data.ConnectionState.Open) 
                        != System.Data.ConnectionState.Open)) {
                this.Adapter.InsertCommand.Connection.Open();
            }
            try {
                int returnValue = this.Adapter.InsertCommand.ExecuteNonQuery();
                return returnValue;
            }
            finally {
                if ((previousConnectionState == System.Data.ConnectionState.Closed)) {
                    this.Adapter.InsertCommand.Connection.Close();
                }
            }
        }
        
        [System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [System.ComponentModel.DataObjectMethodAttribute(System.ComponentModel.DataObjectMethodType.Update, true)]
        public virtual int Update(string p1, int p2) {
            if ((p1 == null)) {
                throw new System.ArgumentNullException("p1");
            }
            else {
                this.Adapter.UpdateCommand.Parameters[0].Value = ((string)(p1));
            }
            this.Adapter.UpdateCommand.Parameters[1].Value = ((int)(p2));
            System.Data.ConnectionState previousConnectionState = this.Adapter.UpdateCommand.Connection.State;
            if (((this.Adapter.UpdateCommand.Connection.State & System.Data.ConnectionState.Open) 
                        != System.Data.ConnectionState.Open)) {
                this.Adapter.UpdateCommand.Connection.Open();
            }
            try {
                int returnValue = this.Adapter.UpdateCommand.ExecuteNonQuery();
                return returnValue;
            }
            finally {
                if ((previousConnectionState == System.Data.ConnectionState.Closed)) {
                    this.Adapter.UpdateCommand.Connection.Close();
                }
            }
        }
    }
}
namespace AppDatabaseDataSetUtil {
    using System;
    using System.Data;
    
    
    public partial class DesignerUtil {
        
        public static bool IsDesignTime() {
            // Determine if this instance is running against .NET Framework by using the MSCoreLib PublicKeyToken
            System.Reflection.Assembly mscorlibAssembly = typeof(int).Assembly;
            if ((mscorlibAssembly != null)) {
                if (mscorlibAssembly.FullName.ToUpper().EndsWith("B77A5C561934E089")) {
                    return true;
                }
            }
            return false;
        }
        
        public static bool IsRunTime() {
            // Determine if this instance is running against .NET Compact Framework by using the MSCoreLib PublicKeyToken
            System.Reflection.Assembly mscorlibAssembly = typeof(int).Assembly;
            if ((mscorlibAssembly != null)) {
                if (mscorlibAssembly.FullName.ToUpper().EndsWith("969DB8053D3322AC")) {
                    return true;
                }
            }
            return false;
        }
    }
}