dsuser.cs

是一个教材管理系统

            public event tblRoleRowChangeEventHandler tblRoleRowChanging;
            
            public event tblRoleRowChangeEventHandler tblRoleRowDeleted;
            
            public event tblRoleRowChangeEventHandler tblRoleRowDeleting;
            
            public void AddtblRoleRow(tblRoleRow row) {
                this.Rows.Add(row);
            }
            
            public tblRoleRow AddtblRoleRow(string RoleName, string UserName, string Email, int ID) {
                tblRoleRow rowtblRoleRow = ((tblRoleRow)(this.NewRow()));
                rowtblRoleRow.ItemArray = new object[] {
                        RoleName,
                        UserName,
                        Email,
                        ID,
                        null};
                this.Rows.Add(rowtblRoleRow);
                return rowtblRoleRow;
            }
            
            public tblRoleRow FindByIDUserId(int ID, int UserId) {
                return ((tblRoleRow)(this.Rows.Find(new object[] {
                            ID,
                            UserId})));
            }
            
            public System.Collections.IEnumerator GetEnumerator() {
                return this.Rows.GetEnumerator();
            }
            
            public override DataTable Clone() {
                tblRoleDataTable cln = ((tblRoleDataTable)(base.Clone()));
                cln.InitVars();
                return cln;
            }
            
            protected override DataTable CreateInstance() {
                return new tblRoleDataTable();
            }
            
            internal void InitVars() {
                this.columnRoleName = this.Columns["RoleName"];
                this.columnUserName = this.Columns["UserName"];
                this.columnEmail = this.Columns["Email"];
                this.columnID = this.Columns["ID"];
                this.columnUserId = this.Columns["UserId"];
            }
            
            private void InitClass() {
                this.columnRoleName = new DataColumn("RoleName", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnRoleName);
                this.columnUserName = new DataColumn("UserName", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnUserName);
                this.columnEmail = new DataColumn("Email", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnEmail);
                this.columnID = new DataColumn("ID", typeof(int), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnID);
                this.columnUserId = new DataColumn("UserId", typeof(int), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnUserId);
                this.Constraints.Add(new UniqueConstraint("Constraint1", new DataColumn[] {
                                this.columnID,
                                this.columnUserId}, true));
                this.columnUserName.AllowDBNull = false;
                this.columnEmail.AllowDBNull = false;
                this.columnID.AllowDBNull = false;
                this.columnUserId.AutoIncrement = true;
                this.columnUserId.AllowDBNull = false;
                this.columnUserId.ReadOnly = true;
            }
            
            public tblRoleRow NewtblRoleRow() {
                return ((tblRoleRow)(this.NewRow()));
            }
            
            protected override DataRow NewRowFromBuilder(DataRowBuilder builder) {
                return new tblRoleRow(builder);
            }
            
            protected override System.Type GetRowType() {
                return typeof(tblRoleRow);
            }
            
            protected override void OnRowChanged(DataRowChangeEventArgs e) {
                base.OnRowChanged(e);
                if ((this.tblRoleRowChanged != null)) {
                    this.tblRoleRowChanged(this, new tblRoleRowChangeEvent(((tblRoleRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowChanging(DataRowChangeEventArgs e) {
                base.OnRowChanging(e);
                if ((this.tblRoleRowChanging != null)) {
                    this.tblRoleRowChanging(this, new tblRoleRowChangeEvent(((tblRoleRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleted(DataRowChangeEventArgs e) {
                base.OnRowDeleted(e);
                if ((this.tblRoleRowDeleted != null)) {
                    this.tblRoleRowDeleted(this, new tblRoleRowChangeEvent(((tblRoleRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleting(DataRowChangeEventArgs e) {
                base.OnRowDeleting(e);
                if ((this.tblRoleRowDeleting != null)) {
                    this.tblRoleRowDeleting(this, new tblRoleRowChangeEvent(((tblRoleRow)(e.Row)), e.Action));
                }
            }
            
            public void RemovetblRoleRow(tblRoleRow row) {
                this.Rows.Remove(row);
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class tblRoleRow : DataRow {
            
            private tblRoleDataTable tabletblRole;
            
            internal tblRoleRow(DataRowBuilder rb) : 
                    base(rb) {
                this.tabletblRole = ((tblRoleDataTable)(this.Table));
            }
            
            public string RoleName {
                get {
                    try {
                        return ((string)(this[this.tabletblRole.RoleNameColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tabletblRole.RoleNameColumn] = value;
                }
            }
            
            public string UserName {
                get {
                    return ((string)(this[this.tabletblRole.UserNameColumn]));
                }
                set {
                    this[this.tabletblRole.UserNameColumn] = value;
                }
            }
            
            public string Email {
                get {
                    return ((string)(this[this.tabletblRole.EmailColumn]));
                }
                set {
                    this[this.tabletblRole.EmailColumn] = value;
                }
            }
            
            public int ID {
                get {
                    return ((int)(this[this.tabletblRole.IDColumn]));
                }
                set {
                    this[this.tabletblRole.IDColumn] = value;
                }
            }
            
            public int UserId {
                get {
                    return ((int)(this[this.tabletblRole.UserIdColumn]));
                }
                set {
                    this[this.tabletblRole.UserIdColumn] = value;
                }
            }
            
            public bool IsRoleNameNull() {
                return this.IsNull(this.tabletblRole.RoleNameColumn);
            }
            
            public void SetRoleNameNull() {
                this[this.tabletblRole.RoleNameColumn] = System.Convert.DBNull;
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class tblRoleRowChangeEvent : EventArgs {
            
            private tblRoleRow eventRow;
            
            private DataRowAction eventAction;
            
            public tblRoleRowChangeEvent(tblRoleRow row, DataRowAction action) {
                this.eventRow = row;
                this.eventAction = action;
            }
            
            public tblRoleRow Row {
                get {
                    return this.eventRow;
                }
            }
            
            public DataRowAction Action {
                get {
                    return this.eventAction;
                }
            }
        }
    }
}