chatuserslist.cs

企业内部的短信交流管理平台。 设计详细

            public event UsersRowChangeEventHandler UsersRowDeleted;
            
            public event UsersRowChangeEventHandler UsersRowDeleting;
            
            public void AddUsersRow(UsersRow row) {
                this.Rows.Add(row);
            }
            
            public UsersRow AddUsersRow(string userName, System.DateTime LastAccessTime) {
                UsersRow rowUsersRow = ((UsersRow)(this.NewRow()));
                rowUsersRow.ItemArray = new object[] {
                        null,
                        userName,
                        LastAccessTime};
                this.Rows.Add(rowUsersRow);
                return rowUsersRow;
            }
            
            public System.Collections.IEnumerator GetEnumerator() {
                return this.Rows.GetEnumerator();
            }
            
            public override DataTable Clone() {
                UsersDataTable cln = ((UsersDataTable)(base.Clone()));
                cln.InitVars();
                return cln;
            }
            
            protected override DataTable CreateInstance() {
                return new UsersDataTable();
            }
            
            internal void InitVars() {
                this.columnuserId = this.Columns["userId"];
                this.columnuserName = this.Columns["userName"];
                this.columnLastAccessTime = this.Columns["LastAccessTime"];
            }
            
            private void InitClass() {
                this.columnuserId = new DataColumn("userId", typeof(int), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnuserId);
                this.columnuserName = new DataColumn("userName", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnuserName);
                this.columnLastAccessTime = new DataColumn("LastAccessTime", typeof(System.DateTime), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnLastAccessTime);
                this.columnuserId.AutoIncrement = true;
                this.columnuserId.AutoIncrementSeed = 1;
            }
            
            public UsersRow NewUsersRow() {
                return ((UsersRow)(this.NewRow()));
            }
            
            protected override DataRow NewRowFromBuilder(DataRowBuilder builder) {
                return new UsersRow(builder);
            }
            
            protected override System.Type GetRowType() {
                return typeof(UsersRow);
            }
            
            protected override void OnRowChanged(DataRowChangeEventArgs e) {
                base.OnRowChanged(e);
                if ((this.UsersRowChanged != null)) {
                    this.UsersRowChanged(this, new UsersRowChangeEvent(((UsersRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowChanging(DataRowChangeEventArgs e) {
                base.OnRowChanging(e);
                if ((this.UsersRowChanging != null)) {
                    this.UsersRowChanging(this, new UsersRowChangeEvent(((UsersRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleted(DataRowChangeEventArgs e) {
                base.OnRowDeleted(e);
                if ((this.UsersRowDeleted != null)) {
                    this.UsersRowDeleted(this, new UsersRowChangeEvent(((UsersRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleting(DataRowChangeEventArgs e) {
                base.OnRowDeleting(e);
                if ((this.UsersRowDeleting != null)) {
                    this.UsersRowDeleting(this, new UsersRowChangeEvent(((UsersRow)(e.Row)), e.Action));
                }
            }
            
            public void RemoveUsersRow(UsersRow row) {
                this.Rows.Remove(row);
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class UsersRow : DataRow {
            
            private UsersDataTable tableUsers;
            
            internal UsersRow(DataRowBuilder rb) : 
                    base(rb) {
                this.tableUsers = ((UsersDataTable)(this.Table));
            }
            
            public int userId {
                get {
                    try {
                        return ((int)(this[this.tableUsers.userIdColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableUsers.userIdColumn] = value;
                }
            }
            
            public string userName {
                get {
                    try {
                        return ((string)(this[this.tableUsers.userNameColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableUsers.userNameColumn] = value;
                }
            }
            
            public System.DateTime LastAccessTime {
                get {
                    try {
                        return ((System.DateTime)(this[this.tableUsers.LastAccessTimeColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableUsers.LastAccessTimeColumn] = value;
                }
            }
            
            public bool IsuserIdNull() {
                return this.IsNull(this.tableUsers.userIdColumn);
            }
            
            public void SetuserIdNull() {
                this[this.tableUsers.userIdColumn] = System.Convert.DBNull;
            }
            
            public bool IsuserNameNull() {
                return this.IsNull(this.tableUsers.userNameColumn);
            }
            
            public void SetuserNameNull() {
                this[this.tableUsers.userNameColumn] = System.Convert.DBNull;
            }
            
            public bool IsLastAccessTimeNull() {
                return this.IsNull(this.tableUsers.LastAccessTimeColumn);
            }
            
            public void SetLastAccessTimeNull() {
                this[this.tableUsers.LastAccessTimeColumn] = System.Convert.DBNull;
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class UsersRowChangeEvent : EventArgs {
            
            private UsersRow eventRow;
            
            private DataRowAction eventAction;
            
            public UsersRowChangeEvent(UsersRow row, DataRowAction action) {
                this.eventRow = row;
                this.eventAction = action;
            }
            
            public UsersRow Row {
                get {
                    return this.eventRow;
                }
            }
            
            public DataRowAction Action {
                get {
                    return this.eventAction;
                }
            }
        }
    }
}